fix usi timeout

@@ -54,7 +54,12 @@ Page({
         }else{
         }else{
           this.islove=await util.cache('islove')
           this.islove=await util.cache('islove')
         }
         }
-        let usi=await App.Invitation.UserIdentity({openid:opt.openid});
+        let usi={data:{seller:{},invitation:{}}}
+        try{
+          usi=await App.Invitation.UserIdentity({openid:opt.openid});
+        }catch (e){
+          console.log('App.Invitation.UserIdentity no usi');
+        }
         if(usi.data.seller.flag){//商户
         if(usi.data.seller.flag){//商户
           //获得商户数据
           //获得商户数据
           //this.enter_params=await this.SellerForOpenid(opt.openid);
           //this.enter_params=await this.SellerForOpenid(opt.openid);