diff --git a/reduce.html b/reduce.html
index 1a2e88c..175d705 100644
--- a/reduce.html
+++ b/reduce.html
@@ -264,11 +264,11 @@
         req.axiosPost("/voucher/grant", params)
           .then((res) => {
             if (res.code == 200) {
-              self.openErrorDialog('领取成功');
+              this.openErrorDialog('领取成功');
               this.goodInfo.available = 9;
               sessionStorage.setItem('goodInfo', JSON.stringify(this.goodInfo));
             } else {
-              self.openErrorDialog(res.message);
+              this.openErrorDialog(res.message);
             }
           })
           .catch((err) => { this.loading = false; });