diff --git a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/controller/admin/knowledge/AiKnowledgeSegmentController.java b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/controller/admin/knowledge/AiKnowledgeSegmentController.java
index 34f3244..6c87be8 100644
--- a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/controller/admin/knowledge/AiKnowledgeSegmentController.java
+++ b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/controller/admin/knowledge/AiKnowledgeSegmentController.java
@@ -83,6 +83,15 @@ public class AiKnowledgeSegmentController {
         return success(true);
     }
 
+    @DeleteMapping("/delete")
+    @Operation(summary = "删除段落")
+    @Parameter(name = "id", description = "段落编号", required = true, example = "1024")
+    @PreAuthorize("@ss.hasPermission('ai:knowledge:delete')")
+    public CommonResult<Boolean> deleteKnowledgeSegment(@RequestParam("id") Long id) {
+        segmentService.deleteKnowledgeSegment(id);
+        return success(true);
+    }
+
     @GetMapping("/split")
     @Operation(summary = "切片内容")
     @Parameters({
diff --git a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/service/knowledge/AiKnowledgeSegmentService.java b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/service/knowledge/AiKnowledgeSegmentService.java
index 54f7217..9894e73 100644
--- a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/service/knowledge/AiKnowledgeSegmentService.java
+++ b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/service/knowledge/AiKnowledgeSegmentService.java
@@ -99,6 +99,13 @@ public interface AiKnowledgeSegmentService {
     void updateKnowledgeSegmentStatus(AiKnowledgeSegmentUpdateStatusReqVO reqVO);
 
     /**
+     * 删除知识库段落
+     *
+     * @param id 段落编号
+     */
+    void deleteKnowledgeSegment(Long id);
+
+    /**
      * 重新索引知识库下的所有文档段落
      *
      * @param knowledgeId 知识库编号
diff --git a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/service/knowledge/AiKnowledgeSegmentServiceImpl.java b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/service/knowledge/AiKnowledgeSegmentServiceImpl.java
index 9d64fcc..b503841 100644
--- a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/service/knowledge/AiKnowledgeSegmentServiceImpl.java
+++ b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/service/knowledge/AiKnowledgeSegmentServiceImpl.java
@@ -142,6 +142,19 @@ public class AiKnowledgeSegmentServiceImpl implements AiKnowledgeSegmentService 
     }
 
     @Override
+    public void deleteKnowledgeSegment(Long id) {
+        // 1. 校验段落存在
+        AiKnowledgeSegmentDO segment = validateKnowledgeSegmentExists(id);
+
+        // 2. 删除向量
+        VectorStore vectorStore = getVectorStoreById(segment.getKnowledgeId());
+        deleteVectorStore(vectorStore, segment);
+
+        // 3. 删除段落记录
+        segmentMapper.deleteById(id);
+    }
+
+    @Override
     public void deleteKnowledgeSegmentByDocumentId(Long documentId) {
         // 1. 查询需要删除的段落
         List<AiKnowledgeSegmentDO> segments = segmentMapper.selectListByDocumentId(documentId);