diff --git a/backend/src/main/java/com/designhub/service/UserService.java b/backend/src/main/java/com/designhub/service/UserService.java
index 2ec61a9..cfbfe6a 100644
--- a/backend/src/main/java/com/designhub/service/UserService.java
+++ b/backend/src/main/java/com/designhub/service/UserService.java
@@ -510,11 +510,19 @@ public class UserService {
                     user.setDeptName(primaryDept.getDeptName());
                     // 根据主部门类型设置角色（但如果用户已经是管理员，保留管理员角色）
                     String currentRoleIds = user.getRoleIds();
+                    log.info("syncUserFromDingTalk - 检查管理员角色: userId={}, currentRoleIds={}", 
+                            user.getId(), currentRoleIds);
                     boolean isAdmin = currentRoleIds != null && 
                                      (currentRoleIds.contains("1") || currentRoleIds.contains("2"));
+                    log.info("syncUserFromDingTalk - isAdmin={}, currentRoleIds.contains('1')={}, currentRoleIds.contains('2')={}", 
+                            isAdmin, currentRoleIds != null && currentRoleIds.contains("1"), 
+                            currentRoleIds != null && currentRoleIds.contains("2"));
                     if (!isAdmin) {
                         // 只有非管理员用户才根据部门类型设置角色
-                        user.setRoleIds("receiving".equals(primaryDept.getDeptType()) ? "5" : "6");
+                        String newRoleIds = "receiving".equals(primaryDept.getDeptType()) ? "5" : "6";
+                        log.info("syncUserFromDingTalk - 非管理员用户，设置角色: userId={}, newRoleIds={}", 
+                                user.getId(), newRoleIds);
+                        user.setRoleIds(newRoleIds);
                     } else {
                         log.info("用户已是管理员，保留管理员角色: userId={}, roleIds={}", 
                                 user.getId(), currentRoleIds);
@@ -541,11 +549,17 @@ public class UserService {
                     user.setDeptName(defaultDept.getDeptName());
                     // 根据部门类型设置角色（但如果用户已经是管理员，保留管理员角色）
                     String currentRoleIds = user.getRoleIds();
+                    log.info("syncUserFromDingTalk - 检查管理员角色（默认部门）: userId={}, currentRoleIds={}", 
+                            user.getId(), currentRoleIds);
                     boolean isAdmin = currentRoleIds != null && 
                                      (currentRoleIds.contains("1") || currentRoleIds.contains("2"));
+                    log.info("syncUserFromDingTalk - isAdmin={}", isAdmin);
                     if (!isAdmin) {
                         // 只有非管理员用户才根据部门类型设置角色
-                        user.setRoleIds("receiving".equals(defaultDept.getDeptType()) ? "5" : "6");
+                        String newRoleIds = "receiving".equals(defaultDept.getDeptType()) ? "5" : "6";
+                        log.info("syncUserFromDingTalk - 非管理员用户，设置角色: userId={}, newRoleIds={}", 
+                                user.getId(), newRoleIds);
+                        user.setRoleIds(newRoleIds);
                     } else {
                         log.info("用户已是管理员，保留管理员角色: userId={}, roleIds={}", 
                                 user.getId(), currentRoleIds);
@@ -711,8 +725,9 @@ public class UserService {
                 }
             } else {
                 // 已有用户：同步更新信息
-                log.info("钉钉用户已存在，同步更新: userId={}", user.getId());
+                log.info("钉钉用户已存在，同步更新: userId={}, 当前roleIds={}", user.getId(), user.getRoleIds());
                 syncUserFromDingTalk(user, detailedInfo, dingtalkUserId, dingDepartments);
+                log.info("钉钉用户同步完成: userId={}, 最终roleIds={}", user.getId(), user.getRoleIds());
             }
             
             // 5. 生成Token