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src/components/SignName.vue

@@ -127,6 +127,10 @@ export default {
         this.msg.TCID = this.$route.query.TCID;
         this.msg.orderID = this.$route.query.orderID;
         this.getCanvas();
+        document.getElementsByTagName('body')[0].style="overscroll-behavior-y: contain;"
+    },
+    beforeDestroy() {
+        document.getElementsByTagName('body')[0].style=""
     },
     methods:{
         getCanvas() {