bug fixes

src/pages/wx/h5.vue

@@ -20,6 +20,9 @@ export default {
     prepayId() {
       return this.query.prepay_id
     },
+    nonceStr() {
+      return this.query.nonce_str
+    },
     redirectURI() {
       return this.query.redirect_uri
     }
@@ -28,7 +31,7 @@ export default {
     pay() {
       const options = {
         appId: this.appId,
-        nonceStr: Math.random().toString(36).slice(-8),
+        nonceStr: this.nonceStr,
         package: `prepay_id=${this.prepayId}`,
         signType: 'MD5',
         timeStamp: parseInt(new Date().getTime() / 1000).toString()