diff --git a/backend/src/main/java/com/yfd/platform/system/controller/SmsVerifyCodeController.java b/backend/src/main/java/com/yfd/platform/system/controller/SmsVerifyCodeController.java
index 8680affe..7795dacf 100644
--- a/backend/src/main/java/com/yfd/platform/system/controller/SmsVerifyCodeController.java
+++ b/backend/src/main/java/com/yfd/platform/system/controller/SmsVerifyCodeController.java
@@ -70,7 +70,8 @@ public class SmsVerifyCodeController {
     @Resource
     private SysUserTenantMapper sysUserTenantMapper;
 
-
+    @Resource
+    private SysUserTenantMapper userTenantMapper;
     @Resource
     private ISdHbrvDicService hbrvDicService;
 
@@ -184,7 +185,7 @@ public class SmsVerifyCodeController {
      */
     @PostMapping("/register")
     @Operation(summary = "注册用户")
-    @Transactional
+    @Transactional(rollbackFor = Exception.class)
     public ResponseResult register(@RequestHeader(value = "Tenant_id", required = false) String tenantId,@RequestBody SmsVerifyCodeRequest smsVerifyCodeRequest) {
         String code = smsVerifyCodeRequest.getCode();
         if (smsVerifyCodeRequest.getPhone() == null || smsVerifyCodeRequest.getPhone().isEmpty()) {
@@ -233,6 +234,10 @@ public class SmsVerifyCodeController {
         // 给注册用户加上默认权限
         SysUser savedUser = userService.getUserByPhone(smsVerifyCodeRequest.getPhone(),tenantId);
         if (savedUser != null) {
+            SysUserTenant sysUserTenant = new SysUserTenant();
+            sysUserTenant.setTenantId(tenantId);
+            sysUserTenant.setUserId(user.getId());
+            userTenantMapper.insert(sysUserTenant);
             this.addDefaultRole(savedUser.getId(), smsVerifyCodeRequest);
         }
         if (success) {
diff --git a/backend/src/main/java/com/yfd/platform/system/service/impl/AdminAuthServiceImpl.java b/backend/src/main/java/com/yfd/platform/system/service/impl/AdminAuthServiceImpl.java
index 3b6579f9..4f75a0aa 100644
--- a/backend/src/main/java/com/yfd/platform/system/service/impl/AdminAuthServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/system/service/impl/AdminAuthServiceImpl.java
@@ -74,6 +74,8 @@ public class AdminAuthServiceImpl implements IAdminAuthService {
 
     @Override
     public boolean isCurrentManagedAdmin() {
-        return isManagedAdminUsername(SecurityUtils.getCurrentUsername());
+        String maxLevel = userMapper.getMaxLevel(SecurityUtils.getUserId());
+        boolean adminRole = "1".equals(maxLevel);
+        return adminRole||isManagedAdminUsername(SecurityUtils.getCurrentUsername());
     }
 }
diff --git a/backend/src/main/java/com/yfd/platform/system/service/impl/UserDetailsServiceImpl.java b/backend/src/main/java/com/yfd/platform/system/service/impl/UserDetailsServiceImpl.java
index c1c9c6d6..45735c42 100644
--- a/backend/src/main/java/com/yfd/platform/system/service/impl/UserDetailsServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/system/service/impl/UserDetailsServiceImpl.java
@@ -9,6 +9,7 @@ import com.yfd.platform.system.domain.SysUser;
 import com.yfd.platform.system.mapper.SysMenuMapper;
 import com.yfd.platform.system.mapper.SysUserMapper;
 import com.yfd.platform.system.mapper.SysUserTenantMapper;
+import com.yfd.platform.system.service.IAdminAuthService;
 import com.yfd.platform.system.service.IUserService;
 import jakarta.servlet.http.HttpServletRequest;
 import org.springframework.security.core.userdetails.UserDetails;
@@ -38,6 +39,8 @@ public class UserDetailsServiceImpl implements UserDetailsService {
 
     @Resource
     private IUserService userService;
+    @Resource
+    private IAdminAuthService adminAuthService;
 
     @Resource
     private SysMenuMapper sysMenuMapper;
@@ -71,7 +74,7 @@ public class UserDetailsServiceImpl implements UserDetailsService {
         }
 
         // 判断是否为超级管理员（LEVEL=1）
-        boolean isSuperAdmin = isSuperAdmin(user.getId());
+        boolean isSuperAdmin = (isSuperAdmin(user.getId())||user.getUsertype()==0);
 
         // 查询用户可访问的门户列表
         List<String> accessibleTenantIds = sysUserTenantMapper.getTenantIdsByUserId(user.getId());
@@ -79,10 +82,10 @@ public class UserDetailsServiceImpl implements UserDetailsService {
         // 非超级管理员必须指定门户，且必须在可访问列表中
         if (!isSuperAdmin) {
             if (StrUtil.isBlank(tenantId)) {
-                throw new RuntimeException("普通用户登录必须指定门户(Tenant_Id)");
+                throw new RuntimeException("用户无权限访问该平台");
             }
             if (accessibleTenantIds == null || !accessibleTenantIds.contains(tenantId)) {
-                throw new RuntimeException("用户无权限访问该门户");
+                throw new RuntimeException("用户无权限访问该平台");
             }
         }
 
diff --git a/backend/src/main/resources/mapper/system/SysUserMapper.xml b/backend/src/main/resources/mapper/system/SysUserMapper.xml
index c6b90b81..1e63e72f 100644
--- a/backend/src/main/resources/mapper/system/SysUserMapper.xml
+++ b/backend/src/main/resources/mapper/system/SysUserMapper.xml
@@ -83,7 +83,7 @@
             and u.orgid = #{orgid}
         </if>
         <if test="username != null">
-            and u.username LIKE '%' || #{username} || '%'
+            and (u.username LIKE '%' || #{username} || '%' OR u.nickname LIKE '%' || #{username} || '%' OR u.phone LIKE '%' || #{username} || '%')
         </if>
         <if test="tenantId != null and tenantId != ''">
             and (ut.TENANT_ID = #{tenantId} OR u.tenant_id = #{tenantId})