拆单标签错误

src/views/ecw/order/components/PrintTag.vue

@@ -108,7 +108,8 @@ export default {
         loadData(){
             printTag(this.orderId).then(res => {
                 this.$set(this, 'tags', res.data)
-                this.form.end = res.data.length
+                this.form.start = res.data[0].num
+                this.form.end = res.data[res.data.length-1].num
             })
         },
         closeDialog(){
@@ -117,7 +118,7 @@ export default {
             this.$emit('close');
         },
         showPreview(){
-            if(this.form.end > this.tags.length){
+            if(this.form.end > this.tags[this.tags.length-1].num){
                 return this.$message.error(this.$t('结束标签不对'))
             }
             this.$refs["form"].validate(valid => {