diff --git a/backend/src/main/java/com/designhub/service/DingTalkService.java b/backend/src/main/java/com/designhub/service/DingTalkService.java
index 703e49a..1719266 100644
--- a/backend/src/main/java/com/designhub/service/DingTalkService.java
+++ b/backend/src/main/java/com/designhub/service/DingTalkService.java
@@ -1000,15 +1000,30 @@ public class DingTalkService {
                                     skippedUsers++;
                                 }
                             } else {
-                                // 系统中没有对应部门，尝试获取钉钉部门信息并创建
+                                // 系统中没有对应部门，自动创建
                                 Map<String, Object> dingDeptInfo = getDingDepartmentDetail(accessToken, dingDeptId);
                                 if (dingDeptInfo != null) {
                                     String deptName = (String) dingDeptInfo.get("name");
-                                    log.warn("用户 {} 的钉钉部门 {} ({}) 在系统中不存在，请先在部门管理中创建对应部门", 
-                                        user.getRealName(), deptName, dingDeptId);
-                                    errors.add(String.format("用户 %s 的钉钉部门 %s 在系统中不存在", user.getRealName(), deptName));
+                                    Object parentIdObj = dingDeptInfo.get("parent_id");
+                                    Long dingParentId = parentIdObj != null ? Long.parseLong(parentIdObj.toString()) : 1L;
+                                    
+                                    // 创建新部门
+                                    Department newDept = createDepartmentFromDingTalk(accessToken, dingDeptId, deptName, dingParentId);
+                                    if (newDept != null) {
+                                        // 更新用户部门
+                                        user.setDeptId(newDept.getId());
+                                        user.setDeptName(newDept.getDeptName());
+                                        userMapper.updateById(user);
+                                        updatedUsers++;
+                                        log.info("自动创建部门并更新用户: userId={}, userName={}, newDeptId={}, newDeptName={}", 
+                                            user.getId(), user.getRealName(), newDept.getId(), newDept.getDeptName());
+                                    } else {
+                                        errors.add(String.format("用户 %s 的钉钉部门 %s 创建失败", user.getRealName(), deptName));
+                                        errorUsers++;
+                                    }
+                                } else {
+                                    errorUsers++;
                                 }
-                                errorUsers++;
                             }
                         } else {
                             skippedUsers++;
@@ -1101,6 +1116,69 @@ public class DingTalkService {
         }
         return null;
     }
+    
+    /**
+     * 从钉钉部门信息创建系统部门
+     * 注意：不设置部门负责人，保留给管理员手动设置
+     */
+    private Department createDepartmentFromDingTalk(String accessToken, Long dingDeptId, String deptName, Long dingParentId) {
+        try {
+            // 查找父部门
+            Long sysParentId = 0L;
+            if (dingParentId != null && dingParentId > 1) {
+                Department parentDept = departmentMapper.selectOne(
+                    new LambdaQueryWrapper<Department>()
+                        .eq(Department::getDingDeptId, dingParentId.toString())
+                        .eq(Department::getStatus, 1)
+                );
+                if (parentDept != null) {
+                    sysParentId = parentDept.getId();
+                } else {
+                    // 递归创建父部门
+                    Map<String, Object> parentDingDeptInfo = getDingDepartmentDetail(accessToken, dingParentId);
+                    if (parentDingDeptInfo != null) {
+                        String parentName = (String) parentDingDeptInfo.get("name");
+                        Object grandParentIdObj = parentDingDeptInfo.get("parent_id");
+                        Long grandParentId = grandParentIdObj != null ? Long.parseLong(grandParentIdObj.toString()) : 1L;
+                        Department createdParent = createDepartmentFromDingTalk(accessToken, dingParentId, parentName, grandParentId);
+                        if (createdParent != null) {
+                            sysParentId = createdParent.getId();
+                        }
+                    }
+                }
+            }
+            
+            // 推断部门类型
+            String deptType = inferDeptType(deptName);
+            
+            // 如果有父部门，继承父部门的类型
+            if (sysParentId > 0) {
+                Department parentDept = departmentMapper.selectById(sysParentId);
+                if (parentDept != null && parentDept.getDeptType() != null) {
+                    deptType = parentDept.getDeptType();
+                }
+            }
+            
+            // 创建新部门
+            Department newDept = new Department();
+            newDept.setDeptName(deptName);
+            newDept.setDingDeptId(dingDeptId.toString());
+            newDept.setParentId(sysParentId);
+            newDept.setDeptType(deptType);
+            newDept.setStatus(1);
+            newDept.setSortOrder(0);
+            // 注意：不设置 leaderId，保留给管理员手动设置
+            
+            departmentMapper.insert(newDept);
+            log.info("自动创建部门: id={}, name={}, dingDeptId={}, parentId={}, deptType={}", 
+                newDept.getId(), deptName, dingDeptId, sysParentId, deptType);
+            
+            return newDept;
+        } catch (Exception e) {
+            log.error("创建部门失败: dingDeptId={}, deptName={}", dingDeptId, deptName, e);
+            return null;
+        }
+    }
 
     /**
      * 检查功能是否启用