diff --git a/_server/editor.js b/_server/editor.js
index 9b1bc7ab..937d5dd0 100644
--- a/_server/editor.js
+++ b/_server/editor.js
@@ -113,6 +113,9 @@ editor.prototype.idsInit = function (maps, icons) {
         var imgName = core.tilesets[i];
         var img = core.material.images.tilesets[imgName];
         var width = Math.floor(img.width/32), height = Math.floor(img.height/32);
+        if(img.width%32 || img.height%32){
+            alert(imgName+'的长或宽不是32的整数倍, 请修改后刷新页面')
+        }
         for (var id=startOffset; id<startOffset+width*height;id++) {
             var x = (id-startOffset)%width, y = parseInt((id-startOffset)/width);
             var indexBlock = getInfoById(id);