diff --git a/_server/MotaActionParser.js b/_server/MotaActionParser.js
index 2117cc9f..8d22c8be 100644
--- a/_server/MotaActionParser.js
+++ b/_server/MotaActionParser.js
@@ -1083,6 +1083,7 @@ ActionParser.prototype.matchEvalAtom = function(args) {
   // 勾选框
   match = /^(true|false)$/.exec(args[0])
   if(match){
+    args[0]='true'==args[0];
     return rt(MotaActionBlocks['bool_e'].xmlText, args);
   }
   // 怪物属性
diff --git a/libs/core.js b/libs/core.js
index 77baf55e..49ab324d 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -15,10 +15,13 @@ function core() {
         'images': {},
         'bgms': {},
         'sounds': {},
-        'ground': null,
         'items': {},
         'enemys': {},
         'icons': {},
+        'ground': null,
+        'grundCanvas': null,
+        'groundPattern': null,
+        'autotileEdges': {},
     }
     this.timeout = {
         'turnHeroTimeout': null,
diff --git a/libs/loader.js b/libs/loader.js
index c86b3d42..5e603f2f 100644
--- a/libs/loader.js
+++ b/libs/loader.js
@@ -176,13 +176,14 @@ loader.prototype._loadAutotiles_async = function (onprogress, onfinished) {
 
 loader.prototype._loadAutotiles_afterLoad = function (keys, autotiles) {
    // autotile需要保证顺序
-   keys.forEach(function (v) {
-    core.material.images.autotile[v] = autotiles[v];
+    keys.forEach(function (v) {
+        core.material.images.autotile[v] = autotiles[v];
     });
 
     setTimeout(function () {
         core.maps._makeAutotileEdges();
     });
+    
 }
 
 // ------ 加载额外素材 ------ //