diff --git a/public/land/landMap.html b/public/land/landMap.html
index 9dba49a..16ecb20 100644
--- a/public/land/landMap.html
+++ b/public/land/landMap.html
@@ -795,6 +795,8 @@ function send(val) {
       });
       map.on('click', hidePolygon.id, function (ev) {
         console.log("1111",cityData[0],cityName)
+          clearLayer("hide" + cityName);
+          clearLayer("hide" + cityName);
         map.easeTo({ center: [cityData[100][0], cityData[100][1]], zoom: getMapZoom1() });
         send(cityName)
         if(cityName=='nanjing'){