diff --git a/src/view/sy_map.vue b/src/view/sy_map.vue
index 3531c65..00c4803 100644
--- a/src/view/sy_map.vue
+++ b/src/view/sy_map.vue
@@ -803,6 +803,15 @@ const initMap = () => {
   //添加街道名
   addJd();
 };
+function mercatorToLngLat(mercator) {
+    var x = mercator.lng / 20037508.34 * 180;
+    var y = mercator.lat / 20037508.34 * 180;
+    y = 180 / Math.PI * (2 * Math.atan(Math.exp(y * Math.PI / 180)) - Math.PI / 2);
+    return {
+        lng: x,
+        lat: y
+    };
+}
 
 //开启编辑
 const openEdit = () => {