diff --git a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/enums/definition/BpmConditionOpCodeEnum.java b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/enums/definition/BpmConditionOpCodeEnum.java
new file mode 100644
index 0000000..71fc8ae
--- /dev/null
+++ b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/enums/definition/BpmConditionOpCodeEnum.java
@@ -0,0 +1,36 @@
+package cn.iocoder.yudao.module.bpm.enums.definition;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * BPM 条件表达式操作符枚举
+ *
+ * @author Lesan
+ */
+@RequiredArgsConstructor
+@Getter
+public enum BpmConditionOpCodeEnum {
+    EQ("==", "等于", " var:getOrDefault(%s, null) == %s "),
+    NE("!=", "不等于", " var:getOrDefault(%s, null) != %s "),
+    GT(">", "大于", " var:getOrDefault(%s, null) > %s "),
+    GE(">=", "大于等于", " var:getOrDefault(%s, null) >= %s "),
+    LT("<", "小于", " var:getOrDefault(%s, null) < %s "),
+    LE("<=", "小于等于", " var:getOrDefault(%s, null) <= %s "),
+    CONTAINS("contain", "包含", " var:contains(%s, %s) "),
+    NOT_CONTAINS("!contain", "不包含", " !var:contains(%s, %s) ");
+
+    private final String code;
+    private final String des;
+    private final String symbol;
+
+    public static BpmConditionOpCodeEnum fromCode(String code) {
+        for (BpmConditionOpCodeEnum op : BpmConditionOpCodeEnum.values()) {
+            if (op.code.equalsIgnoreCase(code)) {
+                return op;
+            }
+        }
+        throw new IllegalArgumentException("未知操作符: " + code);
+    }
+
+}
diff --git a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java
index e9497a4..f11ab26 100644
--- a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java
+++ b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java
@@ -708,18 +708,9 @@ public class SimpleModelUtils {
                     // TODO @芋艿：官方文档中无convertByType方法，https://flowable.me/blog/2025/04/02/back-end-expressions/
                     String rightSide = NumberUtil.isNumber(rule.getRightSide()) ? rule.getRightSide()
                             : "\"" + rule.getRightSide() + "\""; // 如果非数值类型加引号
-                    return switch (rule.getOpCode()) {
-                        case "contain" -> String.format(" var:contains(%s, %s) ",
-                                rule.getLeftSide(),
-                                rightSide);
-                        case "!contain" -> String.format(" !var:contains(%s, %s) ",
-                                rule.getLeftSide(),
-                                rightSide);
-                        default -> String.format(" var:getOrDefault(%s, null) %s %s ",
-                                rule.getLeftSide(), // 左侧：读取变量
-                                rule.getOpCode(), // 中间：操作符，比较
-                                rightSide); // 右侧：取值变量
-                    };
+                    return String.format(BpmConditionOpCodeEnum.fromCode(rule.getOpCode()).getSymbol(),
+                            rule.getLeftSide(), // 左侧：读取变量
+                            rightSide); // 右侧：取值变量
                 });
                 // 构造条件组的表达式
                 Boolean and = item.getAnd();