diff --git a/dvadmin-backend/apps/vadmin/urls.py b/dvadmin-backend/apps/vadmin/urls.py
index 36b2dce..341e6fb 100644
--- a/dvadmin-backend/apps/vadmin/urls.py
+++ b/dvadmin-backend/apps/vadmin/urls.py
@@ -35,7 +35,7 @@ class CaptchaRefresh(APIView):
         new_key = CaptchaStore.pick()
         to_json_response = {
             "key": new_key,
-            "image_url": str(captcha_image_url(new_key)).lstrip('/'),
+            "image_url": captcha_image_url(new_key),
             "audio_url": captcha_audio_url(new_key) if ca_settings.CAPTCHA_FLITE_PATH else None,
         }
         return SuccessResponse(to_json_response)
diff --git a/dvadmin-backend/apps/vadmin/utils/authentication.py b/dvadmin-backend/apps/vadmin/utils/authentication.py
index 5d8f93c..0dd1289 100644
--- a/dvadmin-backend/apps/vadmin/utils/authentication.py
+++ b/dvadmin-backend/apps/vadmin/utils/authentication.py
@@ -96,5 +96,5 @@ class RedisOpAuthJwtAuthentication(OpAuthJwtAuthentication):
             if redis_token == token:
                 return user, token
             else:
-                return None
+                raise exceptions.AuthenticationFailed("登录信息失效，请重新登录！")
         return None
diff --git a/dvadmin-ui/.env.development b/dvadmin-ui/.env.development
index eb1ebdf..5acf1b3 100755
--- a/dvadmin-ui/.env.development
+++ b/dvadmin-ui/.env.development
@@ -2,8 +2,8 @@
 ENV = 'development'
 
 # 若依管理系统/开发环境
-# VUE_APP_BASE_API = 'https://api.django-vue-admin.com/'
-VUE_APP_BASE_API = 'http://127.0.0.1:8000/'
+# VUE_APP_BASE_API = 'https://api.django-vue-admin.com'
+VUE_APP_BASE_API = 'http://127.0.0.1:8000'
 
 # 路由懒加载
 VUE_CLI_BABEL_TRANSPILE_MODULES = true