diff --git a/src/main/java/xyz/playedu/api/PlayEduThreadLocal.java b/src/main/java/xyz/playedu/api/PlayEduBackendThreadLocal.java
similarity index 93%
rename from src/main/java/xyz/playedu/api/PlayEduThreadLocal.java
rename to src/main/java/xyz/playedu/api/PlayEduBackendThreadLocal.java
index 5408542..d2e8720 100644
--- a/src/main/java/xyz/playedu/api/PlayEduThreadLocal.java
+++ b/src/main/java/xyz/playedu/api/PlayEduBackendThreadLocal.java
@@ -4,11 +4,11 @@ import xyz.playedu.api.domain.AdminUser;
 
 import java.util.LinkedHashMap;
 
-public class PlayEduThreadLocal {
+public class PlayEduBackendThreadLocal {
 
     private static final java.lang.ThreadLocal<LinkedHashMap<String, Object>> THREAD_LOCAL = new java.lang.ThreadLocal<>();
 
-    public PlayEduThreadLocal() {
+    public PlayEduBackendThreadLocal() {
     }
 
     public static void put(String key, Object val) {
diff --git a/src/main/java/xyz/playedu/api/middleware/AdminAuthMiddleware.java b/src/main/java/xyz/playedu/api/middleware/AdminAuthMiddleware.java
index a94ec65..a2db04a 100644
--- a/src/main/java/xyz/playedu/api/middleware/AdminAuthMiddleware.java
+++ b/src/main/java/xyz/playedu/api/middleware/AdminAuthMiddleware.java
@@ -7,7 +7,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
-import xyz.playedu.api.PlayEduThreadLocal;
+import xyz.playedu.api.PlayEduBackendThreadLocal;
 import xyz.playedu.api.bus.AppBus;
 import xyz.playedu.api.bus.BackendBus;
 import xyz.playedu.api.constant.SystemConstant;
@@ -56,8 +56,8 @@ public class AdminAuthMiddleware implements HandlerInterceptor {
                 return responseTransform(response, 403, "当前管理员禁止登录");
             }
 
-            PlayEduThreadLocal.setAdminUserId(payload.getSub());
-            PlayEduThreadLocal.setAdminUser(adminUser);
+            PlayEduBackendThreadLocal.setAdminUserId(payload.getSub());
+            PlayEduBackendThreadLocal.setAdminUser(adminUser);
 
             return HandlerInterceptor.super.preHandle(request, response, handler);
         } catch (Exception e) {
@@ -79,7 +79,7 @@ public class AdminAuthMiddleware implements HandlerInterceptor {
 
     @Override
     public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
-        PlayEduThreadLocal.remove();
+        PlayEduBackendThreadLocal.remove();
         HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
     }
 }
diff --git a/src/main/java/xyz/playedu/api/middleware/impl/BackendPermissionMiddlewareImpl.java b/src/main/java/xyz/playedu/api/middleware/impl/BackendPermissionMiddlewareImpl.java
index abe296b..c9e9a08 100644
--- a/src/main/java/xyz/playedu/api/middleware/impl/BackendPermissionMiddlewareImpl.java
+++ b/src/main/java/xyz/playedu/api/middleware/impl/BackendPermissionMiddlewareImpl.java
@@ -8,7 +8,7 @@ import org.aspectj.lang.annotation.Pointcut;
 import org.aspectj.lang.reflect.MethodSignature;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
-import xyz.playedu.api.PlayEduThreadLocal;
+import xyz.playedu.api.PlayEduBackendThreadLocal;
 import xyz.playedu.api.bus.BackendBus;
 import xyz.playedu.api.middleware.BackendPermissionMiddleware;
 import xyz.playedu.api.types.JsonResponse;
@@ -35,7 +35,7 @@ public class BackendPermissionMiddlewareImpl {
     public Object doAround(ProceedingJoinPoint joinPoint) throws Throwable {
         MethodSignature signature = (MethodSignature) joinPoint.getSignature();
         BackendPermissionMiddleware middleware = signature.getMethod().getAnnotation(BackendPermissionMiddleware.class);
-        Integer adminUserId = PlayEduThreadLocal.getAdminUserID();
+        Integer adminUserId = PlayEduBackendThreadLocal.getAdminUserID();
         HashMap<String, Boolean> permissions = backendBus.adminUserPermissions(adminUserId);
         if (permissions.get(middleware.slug()) == null) {
             return JsonResponse.error("权限不足", 403);