diff --git a/src/views/homestead/index.vue b/src/views/homestead/index.vue
index 7ba269be..cbc261f2 100644
--- a/src/views/homestead/index.vue
+++ b/src/views/homestead/index.vue
@@ -1140,9 +1140,26 @@ export default {
     drawMapPolygonFun() {
       let drawMapPolygon = this.draw.drawMapPolygon;
       if (drawMapPolygon == false) {
-        this.coordinateList = "";
-        this.$set(this.draw, "drawMapPolygon", true);
-        $("#drawPolygon").trigger("click");
+        console.log(this.coordinateList);
+        if (this.coordinateList == "") {
+          this.$set(this.draw, "drawMapPolygon", true);
+          $("#drawPolygon").trigger("click");
+        } else {
+          this.$dialog
+            .confirm({
+              title: "提示",
+              message: "是否重新绘制画图",
+            })
+            .then(() => {
+              // on confirm
+              this.coordinateList = "";
+              this.$set(this.draw, "drawMapPolygon", true);
+              $("#drawPolygon").trigger("click");
+            })
+            .catch(() => {
+              // on cancel
+            });
+        }
       } else {
         $("#drawRemove").trigger("click");
         this.$set(this.draw, "drawMapPolygon", false);