diff --git a/backend/src/main/java/com/designhub/service/DingTalkService.java b/backend/src/main/java/com/designhub/service/DingTalkService.java
index 208ac89..90a5957 100644
--- a/backend/src/main/java/com/designhub/service/DingTalkService.java
+++ b/backend/src/main/java/com/designhub/service/DingTalkService.java
@@ -671,6 +671,26 @@ public class DingTalkService {
         
         return allDepartments;
     }
+    
+    /**
+     * 根据部门名称推断部门类型
+     * 可以根据实际业务规则调整判断逻辑
+     */
+    private String inferDeptType(String deptName) {
+        if (deptName == null) {
+            return "demand"; // 默认需求部门
+        }
+        
+        String name = deptName.toLowerCase();
+        // 常见的接单部门关键词
+        if (name.contains("设计") || name.contains("创意") || name.contains("美工") || 
+            name.contains("视觉") || name.contains("ui") || name.contains("ux")) {
+            return "receiving";
+        }
+        
+        // 默认需求部门
+        return "demand";
+    }
 
     /**
      * 同步钉钉用户