diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/MesWmProductionIssueController.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/MesWmProductionIssueController.java
new file mode 100644
index 0000000..fa0c04d
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/MesWmProductionIssueController.java
@@ -0,0 +1,161 @@
+package cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
+import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssuePageReqVO;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssueRespVO;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssueSaveReqVO;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssueLineRespVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueLineDO;
+import cn.iocoder.yudao.module.mes.service.wm.productionissue.MesWmProductionIssueService;
+import cn.iocoder.yudao.module.mes.service.wm.productionissue.MesWmProductionIssueLineService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.validation.Valid;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import static cn.iocoder.yudao.framework.apilog.core.enums.OperateTypeEnum.EXPORT;
+import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
+
+@Tag(name = "管理后台 - MES 领料出库单")
+@RestController
+@RequestMapping("/mes/wm/production-issue")
+@Validated
+public class MesWmProductionIssueController {
+
+    @Resource
+    private MesWmProductionIssueService issueService;
+    @Resource
+    private MesWmProductionIssueLineService issueLineService;
+
+    @PostMapping("/create")
+    @Operation(summary = "创建领料出库单")
+    @PreAuthorize("@ss.hasPermission('mes:wm-production-issue:create')")
+    public CommonResult<Long> createIssue(@Valid @RequestBody MesWmProductionIssueSaveReqVO createReqVO) {
+        return success(issueService.createIssue(createReqVO));
+    }
+
+    @PutMapping("/update")
+    @Operation(summary = "修改领料出库单")
+    @PreAuthorize("@ss.hasPermission('mes:wm-production-issue:update')")
+    public CommonResult<Boolean> updateIssue(@Valid @RequestBody MesWmProductionIssueSaveReqVO updateReqVO) {
+        issueService.updateIssue(updateReqVO);
+        return success(true);
+    }
+
+    @DeleteMapping("/delete")
+    @Operation(summary = "删除领料出库单")
+    @Parameter(name = "id", description = "编号", required = true)
+    @PreAuthorize("@ss.hasPermission('mes:wm-production-issue:delete')")
+    public CommonResult<Boolean> deleteIssue(@RequestParam("id") Long id) {
+        issueService.deleteIssue(id);
+        return success(true);
+    }
+
+    @GetMapping("/get")
+    @Operation(summary = "获得领料出库单")
+    @Parameter(name = "id", description = "编号", required = true, example = "1024")
+    @PreAuthorize("@ss.hasPermission('mes:wm-production-issue:query')")
+    public CommonResult<MesWmProductionIssueRespVO> getIssue(@RequestParam("id") Long id) {
+        MesWmProductionIssueDO issueHeader = issueService.getIssue(id);
+        if (issueHeader == null) {
+            return success(null);
+        }
+        return success(buildRespVOList(Collections.singletonList(issueHeader)).get(0));
+    }
+
+    @GetMapping("/page")
+    @Operation(summary = "获得领料出库单分页")
+    @PreAuthorize("@ss.hasPermission('mes:wm-production-issue:query')")
+    public CommonResult<PageResult<MesWmProductionIssueRespVO>> getIssuePage(
+            @Valid MesWmProductionIssuePageReqVO pageReqVO) {
+        PageResult<MesWmProductionIssueDO> pageResult = issueService.getIssuePage(pageReqVO);
+        return success(new PageResult<>(buildRespVOList(pageResult.getList()), pageResult.getTotal()));
+    }
+
+    @GetMapping("/export-excel")
+    @Operation(summary = "导出领料出库单 Excel")
+    @PreAuthorize("@ss.hasPermission('mes:wm-production-issue:export')")
+    @ApiAccessLog(operateType = EXPORT)
+    public void exportIssueExcel(@Valid MesWmProductionIssuePageReqVO pageReqVO,
+                                       HttpServletResponse response) throws IOException {
+        pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
+        PageResult<MesWmProductionIssueDO> pageResult = issueService.getIssuePage(pageReqVO);
+        ExcelUtils.write(response, "领料出库单.xls", "数据", MesWmProductionIssueRespVO.class,
+                buildRespVOList(pageResult.getList()));
+    }
+
+    @PutMapping("/approve")
+    @Operation(summary = "审批领料出库单")
+    @Parameter(name = "id", description = "编号", required = true)
+    @PreAuthorize("@ss.hasPermission('mes:wm-production-issue:update-status')")
+    public CommonResult<Boolean> approveIssue(@RequestParam("id") Long id) {
+        issueService.approveIssue(id);
+        return success(true);
+    }
+
+    @PutMapping("/unapprove")
+    @Operation(summary = "反审批领料出库单")
+    @Parameter(name = "id", description = "编号", required = true)
+    @PreAuthorize("@ss.hasPermission('mes:wm-production-issue:update-status')")
+    public CommonResult<Boolean> unapproveIssue(@RequestParam("id") Long id) {
+        issueService.unapproveIssue(id);
+        return success(true);
+    }
+
+    @PutMapping("/finish")
+    @Operation(summary = "完成领料出库单")
+    @Parameter(name = "id", description = "编号", required = true)
+    @PreAuthorize("@ss.hasPermission('mes:wm-production-issue:update-status')")
+    public CommonResult<Boolean> finishIssue(@RequestParam("id") Long id) {
+        issueService.finishIssue(id);
+        return success(true);
+    }
+
+    // ==================== 拼接 VO ====================
+
+    private List<MesWmProductionIssueRespVO> buildRespVOList(List<MesWmProductionIssueDO> list) {
+        if (CollUtil.isEmpty(list)) {
+            return Collections.emptyList();
+        }
+
+        // 1. 转换基础 VO
+        List<MesWmProductionIssueRespVO> respVOList = BeanUtils.toBean(list, MesWmProductionIssueRespVO.class);
+
+        // 2. 查询行数据
+        Map<Long, List<MesWmProductionIssueLineDO>> lineMap = issueLineService.getIssueLineListByIssueIds(
+                convertSet(list, MesWmProductionIssueDO::getId))
+                .stream()
+                .collect(java.util.stream.Collectors.groupingBy(MesWmProductionIssueLineDO::getIssueId));
+
+        // 3. 填充行数据
+        respVOList.forEach(respVO -> {
+            List<MesWmProductionIssueLineDO> lines = lineMap.get(respVO.getId());
+            if (CollUtil.isNotEmpty(lines)) {
+                respVO.setLines(BeanUtils.toBean(lines, MesWmProductionIssueLineRespVO.class));
+            }
+        });
+
+        // TODO @AI：关联查询工作站、工单、任务、客户等数据，填充到响应 VO 中
+
+        return respVOList;
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueLineRespVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueLineRespVO.java
new file mode 100644
index 0000000..cc63d45
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueLineRespVO.java
@@ -0,0 +1,34 @@
+package cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Schema(description = "管理后台 - MES 领料出库单行 Response VO")
+@Data
+public class MesWmProductionIssueLineRespVO {
+
+    @Schema(description = "行ID", example = "1")
+    private Long id;
+
+    @Schema(description = "领料单ID", example = "1")
+    private Long issueId;
+
+    @Schema(description = "物料ID", example = "1")
+    private Long itemId;
+
+    @Schema(description = "领料数量", example = "100.00")
+    private BigDecimal quantityIssued;
+
+    @Schema(description = "批次ID", example = "1")
+    private Long batchId;
+
+    @Schema(description = "备注", example = "备注")
+    private String remark;
+
+    @Schema(description = "创建时间")
+    private LocalDateTime createTime;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueLineSaveReqVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueLineSaveReqVO.java
new file mode 100644
index 0000000..226e487
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueLineSaveReqVO.java
@@ -0,0 +1,27 @@
+package cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+@Schema(description = "管理后台 - MES 领料出库单行 Save Request VO")
+@Data
+public class MesWmProductionIssueLineSaveReqVO {
+
+    @Schema(description = "行ID", example = "1")
+    private Long id;
+
+    @Schema(description = "物料ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
+    private Long itemId;
+
+    @Schema(description = "领料数量", requiredMode = Schema.RequiredMode.REQUIRED, example = "100.00")
+    private BigDecimal quantityIssued;
+
+    @Schema(description = "批次ID", example = "1")
+    private Long batchId;
+
+    @Schema(description = "备注", example = "备注")
+    private String remark;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssuePageReqVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssuePageReqVO.java
new file mode 100644
index 0000000..98c1bc4
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssuePageReqVO.java
@@ -0,0 +1,43 @@
+package cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo;
+
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.time.LocalDateTime;
+
+import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
+
+@Schema(description = "管理后台 - MES 领料出库单分页 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class MesWmProductionIssuePageReqVO extends PageParam {
+
+    @Schema(description = "领料单编号", example = "ISSUE20250226001")
+    private String code;
+
+    @Schema(description = "领料单名称", example = "生产领料")
+    private String name;
+
+    @Schema(description = "工作站ID", example = "1")
+    private Long workstationId;
+
+    @Schema(description = "生产工单ID", example = "1")
+    private Long workorderId;
+
+    @Schema(description = "生产任务ID", example = "1")
+    private Long taskId;
+
+    @Schema(description = "客户ID", example = "1")
+    private Long clientId;
+
+    @Schema(description = "状态", example = "10")
+    private Integer status;
+
+    @Schema(description = "领料日期范围")
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
+    private LocalDateTime[] issueDate;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueRespVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueRespVO.java
new file mode 100644
index 0000000..332d675
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueRespVO.java
@@ -0,0 +1,52 @@
+package cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Schema(description = "管理后台 - MES 领料出库单 Response VO")
+@Data
+public class MesWmProductionIssueRespVO {
+
+    @Schema(description = "编号", example = "1")
+    private Long id;
+
+    @Schema(description = "领料单编号", example = "ISSUE20250226001")
+    private String code;
+
+    @Schema(description = "领料单名称", example = "生产领料")
+    private String name;
+
+    @Schema(description = "工作站ID", example = "1")
+    private Long workstationId;
+
+    @Schema(description = "生产工单ID", example = "1")
+    private Long workorderId;
+
+    @Schema(description = "生产任务ID", example = "1")
+    private Long taskId;
+
+    @Schema(description = "客户ID", example = "1")
+    private Long clientId;
+
+    @Schema(description = "领料日期")
+    private LocalDateTime issueDate;
+
+    @Schema(description = "需求时间")
+    private LocalDateTime requiredTime;
+
+    @Schema(description = "状态", example = "10")
+    private Integer status;
+
+    @Schema(description = "备注", example = "备注")
+    private String remark;
+
+    @Schema(description = "创建时间")
+    private LocalDateTime createTime;
+
+    @Schema(description = "领料单行列表")
+    private List<MesWmProductionIssueLineRespVO> lines;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueSaveReqVO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueSaveReqVO.java
new file mode 100644
index 0000000..8a95441
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/controller/admin/wm/productionissue/vo/MesWmProductionIssueSaveReqVO.java
@@ -0,0 +1,58 @@
+package cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Schema(description = "管理后台 - MES 领料出库单新增/修改 Request VO")
+@Data
+public class MesWmProductionIssueSaveReqVO {
+
+    @Schema(description = "编号", example = "1024")
+    private Long id;
+
+    @Schema(description = "领料单编号", example = "ISSUE20250226001")
+    private String code;
+
+    @Schema(description = "领料单名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "生产领料")
+    private String name;
+
+    @Schema(description = "工作站ID", example = "1")
+    private Long workstationId;
+
+    @Schema(description = "生产工单ID", example = "1")
+    private Long workorderId;
+
+    @Schema(description = "生产任务ID", example = "1")
+    private Long taskId;
+
+    @Schema(description = "客户ID", example = "1")
+    private Long clientId;
+
+    @Schema(description = "领料日期")
+    private LocalDateTime issueDate;
+
+    @Schema(description = "需求时间")
+    private LocalDateTime requiredTime;
+
+    @Schema(description = "备注", example = "备注")
+    private String remark;
+
+    @Schema(description = "预留字段1")
+    private String attribute1;
+
+    @Schema(description = "预留字段2")
+    private String attribute2;
+
+    @Schema(description = "预留字段3")
+    private Integer attribute3;
+
+    @Schema(description = "预留字段4")
+    private Integer attribute4;
+
+    @Schema(description = "领料单行列表")
+    private List<MesWmProductionIssueLineSaveReqVO> lines;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/wm/productionissue/MesWmProductionIssueDO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/wm/productionissue/MesWmProductionIssueDO.java
new file mode 100644
index 0000000..2abfa8a
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/wm/productionissue/MesWmProductionIssueDO.java
@@ -0,0 +1,106 @@
+package cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue;
+
+import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.client.MesMdClientDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.workstation.MesMdWorkstationDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.pro.task.MesProTaskDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.pro.workorder.MesProWorkOrderDO;
+import cn.iocoder.yudao.module.mes.enums.wm.MesWmProductionIssueStatusEnum;
+import com.baomidou.mybatisplus.annotation.KeySequence;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.*;
+
+import java.time.LocalDateTime;
+
+// TODO @AI：【需要一起讨论】不要直接改；是不是叫 issueheader 包？主要后续别的表也有 issue，希望区分下；还是加个合理的前缀？就像 wm_outsource_issue 这种；
+/**
+ * MES 领料出库单 DO
+ */
+@TableName("mes_wm_issue_header")
+@KeySequence("mes_wm_issue_header_seq")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class MesWmProductionIssueDO extends BaseDO {
+
+    /**
+     * 编号
+     */
+    @TableId
+    private Long id;
+    /**
+     * 领料单编号
+     */
+    private String code;
+    /**
+     * 领料单名称
+     */
+    private String name;
+    /**
+     * 工作站 ID
+     *
+     * 关联 {@link MesMdWorkstationDO#getId()}
+     */
+    private Long workstationId;
+    // TODO @AI：workOrderId；
+    /**
+     * 生产工单 ID
+     *
+     * 关联 {@link MesProWorkOrderDO#getId()}
+     */
+    private Long workorderId;
+    // TODO @芋艿：【疑问】这个字段的来源？
+    /**
+     * 生产任务 ID
+     *
+     * 关联 {@link MesProTaskDO#getId()}
+     */
+    private Long taskId;
+    // TODO @AI：应该不用记录？因为 workorderId 字段的；
+    /**
+     * 客户 ID
+     *
+     * 关联 {@link MesMdClientDO#getId()}
+     */
+    private Long clientId;
+    // TODO @芋艿：【疑问】这个字段的更新时间；
+    /**
+     * 领料日期
+     */
+    private LocalDateTime issueDate;
+    /**
+     * 需求时间
+     */
+    private LocalDateTime requiredTime;
+    /**
+     * 状态
+     *
+     * 枚举 {@link MesWmProductionIssueStatusEnum}
+     */
+    private Integer status;
+    /**
+     * 备注
+     */
+    private String remark;
+    /**
+     * 预留字段 1
+     */
+    private String attribute1;
+    /**
+     * 预留字段 2
+     */
+    private String attribute2;
+    /**
+     * 预留字段 3
+     */
+    private Integer attribute3;
+    /**
+     * 预留字段 4
+     */
+    private Integer attribute4;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/wm/productionissue/MesWmProductionIssueDetailDO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/wm/productionissue/MesWmProductionIssueDetailDO.java
new file mode 100644
index 0000000..b03c7b4
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/wm/productionissue/MesWmProductionIssueDetailDO.java
@@ -0,0 +1,105 @@
+package cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue;
+
+import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.item.MesMdItemDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.materialstock.MesWmMaterialStockDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.warehouse.MesWmWarehouseAreaDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.warehouse.MesWmWarehouseDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.warehouse.MesWmWarehouseLocationDO;
+import com.baomidou.mybatisplus.annotation.KeySequence;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.*;
+
+import java.math.BigDecimal;
+
+/**
+ * MES 领料出库明细 DO
+ */
+@TableName("mes_wm_issue_detail")
+@KeySequence("mes_wm_issue_detail_seq")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class MesWmProductionIssueDetailDO extends BaseDO {
+
+    /**
+     * 编号
+     */
+    @TableId
+    private Long id;
+    /**
+     * 领料单ID
+     *
+     * 关联 {@link MesWmProductionIssueDO#getId()}
+     */
+    private Long issueId;
+    /**
+     * 行ID
+     *
+     * 关联 {@link MesWmProductionIssueLineDO#getId()}
+     */
+    private Long lineId;
+    /**
+     * 库存记录ID
+     *
+     * 关联 {@link MesWmMaterialStockDO#getId()}
+     */
+    private Long materialStockId;
+    /**
+     * 物料ID
+     *
+     * 关联 {@link MesMdItemDO#getId()}
+     */
+    private Long itemId;
+    /**
+     * 领料数量
+     */
+    private BigDecimal quantity;
+    /**
+     * 批次ID
+     */
+    private Long batchId;
+    /**
+     * 仓库ID
+     *
+     * 关联 {@link MesWmWarehouseDO#getId()}
+     */
+    private Long warehouseId;
+    /**
+     * 库区ID
+     *
+     * 关联 {@link MesWmWarehouseLocationDO#getId()}
+     */
+    private Long locationId;
+    /**
+     * 库位ID
+     *
+     * 关联 {@link MesWmWarehouseAreaDO#getId()}
+     */
+    private Long areaId;
+    /**
+     * 备注
+     */
+    private String remark;
+    /**
+     * 预留字段1
+     */
+    private String attribute1;
+    /**
+     * 预留字段2
+     */
+    private String attribute2;
+    /**
+     * 预留字段3
+     */
+    private Integer attribute3;
+    /**
+     * 预留字段4
+     */
+    private Integer attribute4;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/wm/productionissue/MesWmProductionIssueLineDO.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/wm/productionissue/MesWmProductionIssueLineDO.java
new file mode 100644
index 0000000..0401a36
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/dataobject/wm/productionissue/MesWmProductionIssueLineDO.java
@@ -0,0 +1,72 @@
+package cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue;
+
+import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.md.item.MesMdItemDO;
+import com.baomidou.mybatisplus.annotation.KeySequence;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.*;
+
+import java.math.BigDecimal;
+
+/**
+ * MES 领料出库单行 DO
+ */
+@TableName("mes_wm_issue_line")
+@KeySequence("mes_wm_issue_line_seq")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class MesWmProductionIssueLineDO extends BaseDO {
+
+    /**
+     * 编号
+     */
+    @TableId
+    private Long id;
+    /**
+     * 领料单 ID
+     *
+     * 关联 {@link MesWmProductionIssueDO#getId()}
+     */
+    private Long issueId;
+    /**
+     * 物料 ID
+     *
+     * 关联 {@link MesMdItemDO#getId()}
+     */
+    private Long itemId;
+    // TODO @AI：是不是精简成 quantity？
+    /**
+     * 领料数量
+     */
+    private BigDecimal quantityIssued;
+    /**
+     * 批次 ID
+     */
+    private Long batchId;
+    /**
+     * 备注
+     */
+    private String remark;
+    /**
+     * 预留字段 1
+     */
+    private String attribute1;
+    /**
+     * 预留字段 2
+     */
+    private String attribute2;
+    /**
+     * 预留字段 3
+     */
+    private Integer attribute3;
+    /**
+     * 预留字段 4
+     */
+    private Integer attribute4;
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/wm/productionissue/MesWmProductionIssueDetailMapper.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/wm/productionissue/MesWmProductionIssueDetailMapper.java
new file mode 100644
index 0000000..d34bd89
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/wm/productionissue/MesWmProductionIssueDetailMapper.java
@@ -0,0 +1,32 @@
+package cn.iocoder.yudao.module.mes.dal.mysql.wm.productionissue;
+
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueDetailDO;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * MES 领料出库明细 Mapper
+ */
+@Mapper
+public interface MesWmProductionIssueDetailMapper extends BaseMapperX<MesWmProductionIssueDetailDO> {
+
+    default List<MesWmProductionIssueDetailDO> selectListByIssueId(Long issueId) {
+        return selectList(MesWmProductionIssueDetailDO::getIssueId, issueId);
+    }
+
+    default List<MesWmProductionIssueDetailDO> selectListByIssueIds(Collection<Long> issueIds) {
+        return selectList(MesWmProductionIssueDetailDO::getIssueId, issueIds);
+    }
+
+    default List<MesWmProductionIssueDetailDO> selectListByLineId(Long lineId) {
+        return selectList(MesWmProductionIssueDetailDO::getLineId, lineId);
+    }
+
+    default void deleteByIssueId(Long issueId) {
+        delete(MesWmProductionIssueDetailDO::getIssueId, issueId);
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/wm/productionissue/MesWmProductionIssueLineMapper.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/wm/productionissue/MesWmProductionIssueLineMapper.java
new file mode 100644
index 0000000..a5acd9d
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/wm/productionissue/MesWmProductionIssueLineMapper.java
@@ -0,0 +1,28 @@
+package cn.iocoder.yudao.module.mes.dal.mysql.wm.productionissue;
+
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueLineDO;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * MES 领料出库单行 Mapper
+ */
+@Mapper
+public interface MesWmProductionIssueLineMapper extends BaseMapperX<MesWmProductionIssueLineDO> {
+
+    default List<MesWmProductionIssueLineDO> selectListByIssueId(Long issueId) {
+        return selectList(MesWmProductionIssueLineDO::getIssueId, issueId);
+    }
+
+    default List<MesWmProductionIssueLineDO> selectListByIssueIds(Collection<Long> issueIds) {
+        return selectList(MesWmProductionIssueLineDO::getIssueId, issueIds);
+    }
+
+    default void deleteByIssueId(Long issueId) {
+        delete(MesWmProductionIssueLineDO::getIssueId, issueId);
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/wm/productionissue/MesWmProductionIssueMapper.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/wm/productionissue/MesWmProductionIssueMapper.java
new file mode 100644
index 0000000..7699b98
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/wm/productionissue/MesWmProductionIssueMapper.java
@@ -0,0 +1,29 @@
+package cn.iocoder.yudao.module.mes.dal.mysql.wm.productionissue;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssuePageReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueDO;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * MES 领料出库单 Mapper
+ */
+@Mapper
+public interface MesWmProductionIssueMapper extends BaseMapperX<MesWmProductionIssueDO> {
+
+    default PageResult<MesWmProductionIssueDO> selectPage(MesWmProductionIssuePageReqVO reqVO) {
+        return selectPage(reqVO, new LambdaQueryWrapperX<MesWmProductionIssueDO>()
+                .likeIfPresent(MesWmProductionIssueDO::getCode, reqVO.getCode())
+                .likeIfPresent(MesWmProductionIssueDO::getName, reqVO.getName())
+                .eqIfPresent(MesWmProductionIssueDO::getWorkstationId, reqVO.getWorkstationId())
+                .eqIfPresent(MesWmProductionIssueDO::getWorkorderId, reqVO.getWorkorderId())
+                .eqIfPresent(MesWmProductionIssueDO::getTaskId, reqVO.getTaskId())
+                .eqIfPresent(MesWmProductionIssueDO::getClientId, reqVO.getClientId())
+                .eqIfPresent(MesWmProductionIssueDO::getStatus, reqVO.getStatus())
+                .betweenIfPresent(MesWmProductionIssueDO::getIssueDate, reqVO.getIssueDate())
+                .orderByDesc(MesWmProductionIssueDO::getId));
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/enums/wm/MesWmProductionIssueStatusEnum.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/enums/wm/MesWmProductionIssueStatusEnum.java
new file mode 100644
index 0000000..4717048
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/enums/wm/MesWmProductionIssueStatusEnum.java
@@ -0,0 +1,37 @@
+package cn.iocoder.yudao.module.mes.enums.wm;
+
+import cn.iocoder.yudao.framework.common.core.ArrayValuable;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.util.Arrays;
+
+// TODO @AI：需要使用 status constants 去映射；
+/**
+ * MES 领料出库单状态枚举
+ */
+@Getter
+@AllArgsConstructor
+public enum MesWmProductionIssueStatusEnum implements ArrayValuable<Integer> {
+
+    PREPARE(10, "准备中"),
+    APPROVED(20, "已审批"),
+    FINISHED(30, "已完成");
+
+    public static final Integer[] ARRAYS = Arrays.stream(values()).map(MesWmProductionIssueStatusEnum::getStatus).toArray(Integer[]::new);
+
+    /**
+     * 状态
+     */
+    private final Integer status;
+    /**
+     * 状态名
+     */
+    private final String name;
+
+    @Override
+    public Integer[] array() {
+        return ARRAYS;
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueDetailService.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueDetailService.java
new file mode 100644
index 0000000..748f32c
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueDetailService.java
@@ -0,0 +1,44 @@
+package cn.iocoder.yudao.module.mes.service.wm.productionissue;
+
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueDetailDO;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * MES 领料出库明细 Service 接口
+ */
+public interface MesWmProductionIssueDetailService {
+
+    /**
+     * 根据领料单ID获取明细列表
+     *
+     * @param issueId 领料单ID
+     * @return 明细列表
+     */
+    List<MesWmProductionIssueDetailDO> getIssueDetailListByIssueId(Long issueId);
+
+    /**
+     * 根据领料单ID集合获取明细列表
+     *
+     * @param issueIds 领料单ID集合
+     * @return 明细列表
+     */
+    List<MesWmProductionIssueDetailDO> getIssueDetailListByIssueIds(Collection<Long> issueIds);
+
+    /**
+     * 根据行ID获取明细列表
+     *
+     * @param lineId 行ID
+     * @return 明细列表
+     */
+    List<MesWmProductionIssueDetailDO> getIssueDetailListByLineId(Long lineId);
+
+    /**
+     * 根据领料单ID删除明细
+     *
+     * @param issueId 领料单ID
+     */
+    void deleteIssueDetailByIssueId(Long issueId);
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueDetailServiceImpl.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueDetailServiceImpl.java
new file mode 100644
index 0000000..b30a7ba
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueDetailServiceImpl.java
@@ -0,0 +1,42 @@
+package cn.iocoder.yudao.module.mes.service.wm.productionissue;
+
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueDetailDO;
+import cn.iocoder.yudao.module.mes.dal.mysql.wm.productionissue.MesWmProductionIssueDetailMapper;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * MES 领料出库明细 Service 实现类
+ */
+@Service
+@Validated
+public class MesWmProductionIssueDetailServiceImpl implements MesWmProductionIssueDetailService {
+
+    @Resource
+    private MesWmProductionIssueDetailMapper issueDetailMapper;
+
+    @Override
+    public List<MesWmProductionIssueDetailDO> getIssueDetailListByIssueId(Long issueId) {
+        return issueDetailMapper.selectListByIssueId(issueId);
+    }
+
+    @Override
+    public List<MesWmProductionIssueDetailDO> getIssueDetailListByIssueIds(Collection<Long> issueIds) {
+        return issueDetailMapper.selectListByIssueIds(issueIds);
+    }
+
+    @Override
+    public List<MesWmProductionIssueDetailDO> getIssueDetailListByLineId(Long lineId) {
+        return issueDetailMapper.selectListByLineId(lineId);
+    }
+
+    @Override
+    public void deleteIssueDetailByIssueId(Long issueId) {
+        issueDetailMapper.deleteByIssueId(issueId);
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueLineService.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueLineService.java
new file mode 100644
index 0000000..9cd8c55
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueLineService.java
@@ -0,0 +1,36 @@
+package cn.iocoder.yudao.module.mes.service.wm.productionissue;
+
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueLineDO;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * MES 领料出库单行 Service 接口
+ */
+public interface MesWmProductionIssueLineService {
+
+    /**
+     * 根据领料单ID获取行列表
+     *
+     * @param issueId 领料单ID
+     * @return 行列表
+     */
+    List<MesWmProductionIssueLineDO> getIssueLineListByIssueId(Long issueId);
+
+    /**
+     * 根据领料单ID集合获取行列表
+     *
+     * @param issueIds 领料单ID集合
+     * @return 行列表
+     */
+    List<MesWmProductionIssueLineDO> getIssueLineListByIssueIds(Collection<Long> issueIds);
+
+    /**
+     * 根据领料单ID删除行
+     *
+     * @param issueId 领料单ID
+     */
+    void deleteIssueLineByIssueId(Long issueId);
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueLineServiceImpl.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueLineServiceImpl.java
new file mode 100644
index 0000000..dacafe8
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueLineServiceImpl.java
@@ -0,0 +1,37 @@
+package cn.iocoder.yudao.module.mes.service.wm.productionissue;
+
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueLineDO;
+import cn.iocoder.yudao.module.mes.dal.mysql.wm.productionissue.MesWmProductionIssueLineMapper;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * MES 领料出库单行 Service 实现类
+ */
+@Service
+@Validated
+public class MesWmProductionIssueLineServiceImpl implements MesWmProductionIssueLineService {
+
+    @Resource
+    private MesWmProductionIssueLineMapper issueLineMapper;
+
+    @Override
+    public List<MesWmProductionIssueLineDO> getIssueLineListByIssueId(Long issueId) {
+        return issueLineMapper.selectListByIssueId(issueId);
+    }
+
+    @Override
+    public List<MesWmProductionIssueLineDO> getIssueLineListByIssueIds(Collection<Long> issueIds) {
+        return issueLineMapper.selectListByIssueIds(issueIds);
+    }
+
+    @Override
+    public void deleteIssueLineByIssueId(Long issueId) {
+        issueLineMapper.deleteByIssueId(issueId);
+    }
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueService.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueService.java
new file mode 100644
index 0000000..e135073
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueService.java
@@ -0,0 +1,84 @@
+package cn.iocoder.yudao.module.mes.service.wm.productionissue;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssuePageReqVO;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssueSaveReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueDO;
+import jakarta.validation.Valid;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * MES 领料出库单 Service 接口
+ */
+public interface MesWmProductionIssueService {
+
+    /**
+     * 创建领料出库单
+     *
+     * @param createReqVO 创建信息
+     * @return 编号
+     */
+    Long createIssue(@Valid MesWmProductionIssueSaveReqVO createReqVO);
+
+    /**
+     * 修改领料出库单
+     *
+     * @param updateReqVO 修改信息
+     */
+    void updateIssue(@Valid MesWmProductionIssueSaveReqVO updateReqVO);
+
+    /**
+     * 删除领料出库单（级联删除行和明细，仅准备中状态允许）
+     *
+     * @param id 编号
+     */
+    void deleteIssue(Long id);
+
+    /**
+     * 获得领料出库单
+     *
+     * @param id 编号
+     * @return 领料出库单
+     */
+    MesWmProductionIssueDO getIssue(Long id);
+
+    /**
+     * 获得领料出库单分页
+     *
+     * @param pageReqVO 分页参数
+     * @return 领料出库单分页
+     */
+    PageResult<MesWmProductionIssueDO> getIssuePage(MesWmProductionIssuePageReqVO pageReqVO);
+
+    /**
+     * 审批领料出库单（准备中 → 已审批，扣减库存）
+     *
+     * @param id 编号
+     */
+    void approveIssue(Long id);
+
+    /**
+     * 反审批领料出库单（已审批 → 准备中，恢复库存）
+     *
+     * @param id 编号
+     */
+    void unapproveIssue(Long id);
+
+    /**
+     * 完成领料出库单（已审批 → 已完成）
+     *
+     * @param id 编号
+     */
+    void finishIssue(Long id);
+
+    /**
+     * 按编号集合获得领料出库单列表
+     *
+     * @param ids 编号集合
+     * @return 领料出库单列表
+     */
+    List<MesWmProductionIssueDO> getIssueList(Collection<Long> ids);
+
+}
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueServiceImpl.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueServiceImpl.java
new file mode 100644
index 0000000..cfb6c82
--- /dev/null
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/productionissue/MesWmProductionIssueServiceImpl.java
@@ -0,0 +1,191 @@
+package cn.iocoder.yudao.module.mes.service.wm.productionissue;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.ObjUtil;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssuePageReqVO;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssueSaveReqVO;
+import cn.iocoder.yudao.module.mes.controller.admin.wm.productionissue.vo.MesWmProductionIssueLineSaveReqVO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueDO;
+import cn.iocoder.yudao.module.mes.dal.dataobject.wm.productionissue.MesWmProductionIssueLineDO;
+import cn.iocoder.yudao.module.mes.dal.mysql.wm.productionissue.MesWmProductionIssueMapper;
+import cn.iocoder.yudao.module.mes.dal.mysql.wm.productionissue.MesWmProductionIssueLineMapper;
+import cn.iocoder.yudao.module.mes.enums.wm.MesWmProductionIssueStatusEnum;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.validation.annotation.Validated;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * MES 领料出库单 Service 实现类
+ */
+@Service
+@Validated
+public class MesWmProductionIssueServiceImpl implements MesWmProductionIssueService {
+
+    @Resource
+    private MesWmProductionIssueMapper issueHeaderMapper;
+
+    @Resource
+    private MesWmProductionIssueLineMapper issueLineMapper;
+
+    @Resource
+    private MesWmProductionIssueLineService issueLineService;
+
+    @Resource
+    private MesWmProductionIssueDetailService issueDetailService;
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Long createIssue(MesWmProductionIssueSaveReqVO createReqVO) {
+        // TODO @AI：领料出库关联数据校验待完善（仓库、物料、工单、工位等基础数据校验）
+
+        // 1. 插入主表
+        MesWmProductionIssueDO issueHeader = BeanUtils.toBean(createReqVO, MesWmProductionIssueDO.class);
+        issueHeader.setStatus(MesWmProductionIssueStatusEnum.PREPARE.getStatus());
+        issueHeaderMapper.insert(issueHeader);
+
+        // 2. 插入行表
+        if (CollUtil.isNotEmpty(createReqVO.getLines())) {
+            for (MesWmProductionIssueLineSaveReqVO lineVO : createReqVO.getLines()) {
+                MesWmProductionIssueLineDO line = BeanUtils.toBean(lineVO, MesWmProductionIssueLineDO.class);
+                line.setIssueId(issueHeader.getId());
+                issueLineMapper.insert(line);
+            }
+        }
+
+        return issueHeader.getId();
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void updateIssue(MesWmProductionIssueSaveReqVO updateReqVO) {
+        // 1. 校验存在 + 准备中状态
+        validateIssueExistsAndPrepare(updateReqVO.getId());
+        // TODO @AI：领料出库关联数据校验待完善（仓库、物料、工单、工位等基础数据校验）
+
+        // 2. 更新主表
+        MesWmProductionIssueDO updateObj = BeanUtils.toBean(updateReqVO, MesWmProductionIssueDO.class);
+        issueHeaderMapper.updateById(updateObj);
+
+        // 3. 更新行表：先删除旧数据，再插入新数据
+        issueLineMapper.deleteByIssueId(updateReqVO.getId());
+        if (CollUtil.isNotEmpty(updateReqVO.getLines())) {
+            for (MesWmProductionIssueLineSaveReqVO lineVO : updateReqVO.getLines()) {
+                MesWmProductionIssueLineDO line = BeanUtils.toBean(lineVO, MesWmProductionIssueLineDO.class);
+                line.setIssueId(updateReqVO.getId());
+                issueLineMapper.insert(line);
+            }
+        }
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void deleteIssue(Long id) {
+        // 1. 校验存在 + 准备中状态
+        validateIssueExistsAndPrepare(id);
+
+        // 2.1 级联删除明细
+        issueDetailService.deleteIssueDetailByIssueId(id);
+        // 2.2 级联删除行
+        issueLineService.deleteIssueLineByIssueId(id);
+        // 2.3 删除主表
+        issueHeaderMapper.deleteById(id);
+    }
+
+    @Override
+    public MesWmProductionIssueDO getIssue(Long id) {
+        return issueHeaderMapper.selectById(id);
+    }
+
+    @Override
+    public PageResult<MesWmProductionIssueDO> getIssuePage(MesWmProductionIssuePageReqVO pageReqVO) {
+        return issueHeaderMapper.selectPage(pageReqVO);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void approveIssue(Long id) {
+        // 1.1 校验存在
+        MesWmProductionIssueDO issueHeader = validateIssueExists(id);
+        // 1.2 校验状态：只有准备中才允许审批
+        if (ObjUtil.notEqual(MesWmProductionIssueStatusEnum.PREPARE.getStatus(), issueHeader.getStatus())) {
+//            throw exception(WM_ISSUE_STATUS_INVALID);
+            throw new IllegalArgumentException(); // TODO @芋艿：晚点优化下；
+        }
+
+        // 2. 准备中 → 已审批
+        issueHeaderMapper.updateById(new MesWmProductionIssueDO()
+                .setId(id).setStatus(MesWmProductionIssueStatusEnum.APPROVED.getStatus()));
+
+        // TODO @AI：扣减库存逻辑待完善（需要调用库存服务，根据 detail 表扣减库存）
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void unapproveIssue(Long id) {
+        // 1.1 校验存在
+        MesWmProductionIssueDO issueHeader = validateIssueExists(id);
+        // 1.2 校验状态：只有已审批才允许反审批
+        if (ObjUtil.notEqual(MesWmProductionIssueStatusEnum.APPROVED.getStatus(), issueHeader.getStatus())) {
+//            throw exception(WM_ISSUE_STATUS_INVALID);
+            throw new IllegalArgumentException(); // TODO @芋艿：晚点优化下；
+        }
+
+        // 2. 已审批 → 准备中
+        issueHeaderMapper.updateById(new MesWmProductionIssueDO()
+                .setId(id).setStatus(MesWmProductionIssueStatusEnum.PREPARE.getStatus()));
+
+        // TODO @AI：恢复库存逻辑待完善（需要调用库存服务，根据 detail 表恢复库存）
+    }
+
+    @Override
+    public void finishIssue(Long id) {
+        // 1.1 校验存在
+        MesWmProductionIssueDO issueHeader = validateIssueExists(id);
+        // 1.2 校验状态：只有已审批才允许完成
+        if (ObjUtil.notEqual(MesWmProductionIssueStatusEnum.APPROVED.getStatus(), issueHeader.getStatus())) {
+//            throw exception(WM_ISSUE_STATUS_INVALID);
+            throw new IllegalArgumentException(); // TODO @芋艿：晚点优化下；
+        }
+
+        // 2. 已审批 → 已完成
+        issueHeaderMapper.updateById(new MesWmProductionIssueDO()
+                .setId(id).setStatus(MesWmProductionIssueStatusEnum.FINISHED.getStatus()));
+    }
+
+    @Override
+    public List<MesWmProductionIssueDO> getIssueList(Collection<Long> ids) {
+        if (CollUtil.isEmpty(ids)) {
+            return Collections.emptyList();
+        }
+        return issueHeaderMapper.selectByIds(ids);
+    }
+
+    private MesWmProductionIssueDO validateIssueExists(Long id) {
+        MesWmProductionIssueDO issueHeader = issueHeaderMapper.selectById(id);
+        if (issueHeader == null) {
+//            throw exception(WM_ISSUE_NOT_EXISTS);
+            throw new IllegalArgumentException(); // TODO @芋艿：晚点优化下；
+        }
+        return issueHeader;
+    }
+
+    /**
+     * 校验领料出库单存在且为准备中状态
+     */
+    private MesWmProductionIssueDO validateIssueExistsAndPrepare(Long id) {
+        MesWmProductionIssueDO issueHeader = validateIssueExists(id);
+        if (ObjUtil.notEqual(MesWmProductionIssueStatusEnum.PREPARE.getStatus(), issueHeader.getStatus())) {
+//            throw exception(WM_ISSUE_STATUS_INVALID);
+            throw new IllegalArgumentException(); // TODO @芋艿：晚点优化下；
+        }
+        return issueHeader;
+    }
+
+}