报名报错修改

pages/matchInfo/sign.js

@@ -62,7 +62,7 @@ Page({
                 })
 
             } else {
-                wx.showToast({ title: `${res.errMsg}`, icon: 'fail', duration: 2000 });
+                wx.showToast({ title: `${arr.errmsg}`, icon: 'fail', duration: 2000 });
             }
         }
     },