diff --git a/esua-epdc/epdc-module/epdc-api/epdc-api-server/src/main/java/com/elink/esua/epdc/service/impl/AppUserServiceImpl.java b/esua-epdc/epdc-module/epdc-api/epdc-api-server/src/main/java/com/elink/esua/epdc/service/impl/AppUserServiceImpl.java
index be093aef7..09ccfd015 100644
--- a/esua-epdc/epdc-module/epdc-api/epdc-api-server/src/main/java/com/elink/esua/epdc/service/impl/AppUserServiceImpl.java
+++ b/esua-epdc/epdc-module/epdc-api/epdc-api-server/src/main/java/com/elink/esua/epdc/service/impl/AppUserServiceImpl.java
@@ -793,7 +793,12 @@ public class AppUserServiceImpl implements AppUserService {
             return new Result().error(verifyResult.getMsg());
         }
         String userState = verifyResult.getData();
-
+        /**
+         * 代码说明：
+         * 小程序端用户完善信息界面，提交数据前会调用{@link com.elink.esua.epdc.controller.ApiAppUserController#checkWxUnionId(TokenDto)}
+         * 获取用户是否已绑定了微信unionId
+         * 如果用户保存过unionId，前端不会再上送encryptedData，wxCode，iv这三个参数。
+         */
         if (StringUtils.isNotBlank(infoDto.getWxCode())) {
             String sessionKey = this.getUserSessionKey(infoDto.getWxCode());
             WxMaUserInfo wxMaUserInfo = wxMaServiceUtils.normalWxMaService().getUserService().getUserInfo(sessionKey, infoDto.getEncryptedData(), infoDto.getIv());
@@ -1008,7 +1013,7 @@ public class AppUserServiceImpl implements AppUserService {
             }
         } catch (WxErrorException e) {
             e.printStackTrace();
-            throw new RenException(e.getError().getErrorMsg());
+            throw new RenException("微信编码异常，请刷新页面后重试");
         }
         return null;
     }