添加根据身份证，查询个人信息，用于注册用

ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/app/AppUserController.java

@@ -272,6 +272,10 @@ public class AppUserController extends BaseController
         if(StringUtils.isBlank(idCard)){
             return AjaxResult.error("查询条件为空!");
         }
-        return AjaxResult.success(appUserService.getAppUserBase(idCard));
+        AppUser appUser=appUserService.getAppUserBase(idCard);
+        if(appUser==null){
+            return error("未查询到用户信息!");
+        }
+        return AjaxResult.success(appUser);
     }
 }