diff --git a/libs/maps.js b/libs/maps.js
index c9c42891..ba9653c8 100644
--- a/libs/maps.js
+++ b/libs/maps.js
@@ -214,6 +214,9 @@ maps.prototype.load = function (data, floorId) {
 ////// 将当前地图重新变成二维数组形式 //////
 maps.prototype.getMapArray = function (blockArray,width,height){
 
+    width=width||13;
+    height=height||13;
+
     var blocks = [];
     for (var x=0;x<height;x++) {
         blocks[x]=[];
@@ -222,7 +225,7 @@ maps.prototype.getMapArray = function (blockArray,width,height){
         }
     }
     blockArray.forEach(function (block) {
-        if (!block.disable)
+        if (!block.disable && block.x<width && block.y<height)
             blocks[block.y][block.x] = block.id;
     });
     return blocks;
diff --git a/libs/utils.js b/libs/utils.js
index 48ef0ab4..d230f2ae 100644
--- a/libs/utils.js
+++ b/libs/utils.js
@@ -693,7 +693,7 @@ utils.prototype._export = function (floorIds) {
     // map
     var content = floorIds.length+"\n13 13\n\n";
     floorIds.forEach(function (floorId) {
-        var arr = core.maps.getMapArray(core.status.maps[floorId].blocks);
+        var arr = core.maps.getMapArray(core.status.maps[floorId].blocks, 13, 13);
         content += arr.map(function (x) {
             // check monster
             x.forEach(function (t) {