diff --git a/src/main/java/io/linfeng/modules/admin/service/impl/AppUserServiceImpl.java b/src/main/java/io/linfeng/modules/admin/service/impl/AppUserServiceImpl.java
index 574fa32..30692a0 100644
--- a/src/main/java/io/linfeng/modules/admin/service/impl/AppUserServiceImpl.java
+++ b/src/main/java/io/linfeng/modules/admin/service/impl/AppUserServiceImpl.java
@@ -373,7 +373,9 @@ public class AppUserServiceImpl extends ServiceImpl<AppUserDao, AppUserEntity> i
     }
 
     private String getOpenId(String code){
-        SystemEntity system = systemService.lambdaQuery().eq(SystemEntity::getConfig, "miniapp").one();
+        SystemEntity system = systemService.lambdaQuery()
+                .eq(SystemEntity::getConfig, ConfigConstant.MINIAPP)
+                .one();
 
         //小程序唯一标识   (在微信小程序管理后台获取)
         String appId = system.getValue();
diff --git a/src/main/java/io/linfeng/modules/app/controller/AppSystemConfigController.java b/src/main/java/io/linfeng/modules/app/controller/AppSystemConfigController.java
index d4cfe05..54b58da 100644
--- a/src/main/java/io/linfeng/modules/app/controller/AppSystemConfigController.java
+++ b/src/main/java/io/linfeng/modules/app/controller/AppSystemConfigController.java
@@ -11,6 +11,7 @@
  */
 package io.linfeng.modules.app.controller;
 
+import io.linfeng.common.utils.ConfigConstant;
 import io.linfeng.common.utils.R;
 import io.linfeng.modules.admin.entity.SystemEntity;
 import io.linfeng.modules.admin.service.SystemService;
@@ -37,7 +38,7 @@ public class AppSystemConfigController {
     @GetMapping("/miniConfig")
     public R miniConfig(){
         SystemEntity system = systemService.lambdaQuery()
-                .eq(SystemEntity::getConfig, "miniapp")
+                .eq(SystemEntity::getConfig, ConfigConstant.MINIAPP)
                 .one();
         return R.ok().put("logo",system.getIntro());
     }