Merge branch 'wq' of SH-Arbitrate/Arbitrate-Backend into dev

ruoyi-admin/src/main/java/com/ruoyi/web/controller/wisdomarbitrate/CaseApplicationController.java

      * 获取UrlScheme
      */
     @Anonymous
-    @PostMapping("/getUrlScheme")
+    @GetMapping("/getUrlScheme")
     public AjaxResult getUrlScheme() {
         String schemeUrl = WxAppletNotifyUtils.jumpAppletSchemeUrl();
         return success(schemeUrl);

ruoyi-common/src/main/java/com/ruoyi/common/utils/WxAppletNotifyUtils.java

         body.putOpt("expire_interval",30);
         String post = HttpUtil.post(url,body.toJSONString(2));
         JSONObject result = JSONUtil.parseObj(post);
-        if(result!=null){
-            result.getStr("openlink");
+        if(result!=null && result.containsKey("openlink")){
+         return    result.getStr("openlink");
         }
         return null;
     }