diff --git a/_server/blockly/MotaAction.g4 b/_server/blockly/MotaAction.g4
index 868ea986..9e811383 100644
--- a/_server/blockly/MotaAction.g4
+++ b/_server/blockly/MotaAction.g4
@@ -1176,7 +1176,7 @@ default : [null,1]
 colour : this.soundColor
 if(Int_0<1 || Int_0>10) throw new Error('天气的强度等级, 在1-10之间');
 var code = '{"type": "setWeather", "name": "'+Weather_List_0+'", "level": '+Int_0+'},\n';
-if(Weather_List_0==='')code = '{"type": "setWeather"},\n';
+if(Weather_List_0===''||Weather_List_0==='null'||Weather_List_0==null)code = '{"type": "setWeather"},\n';
 return code;
 */;
 
@@ -1703,7 +1703,7 @@ Arithmetic_List
 
 Weather_List
     :   '无'|'雨'|'雪'|'雾'
-    /*Weather_List ['','rain','snow','fog']*/;
+    /*Weather_List ['null','rain','snow','fog']*/;
 
 B_0_List
     :   '不改变'|'不可通行'|'可以通行'
@@ -2162,7 +2162,7 @@ ActionParser.prototype.parseAction = function() {
       break;
     case "setWeather": // 更改天气
       this.next = MotaActionBlocks['setWeather_s'].xmlText([
-        data.name||'无',data.level||1,this.next]);
+        data.name,data.level||1,this.next]);
       break;
     case "openDoor": // 开一个门, 包括暗墙
       data.loc=data.loc||['','']
diff --git a/libs/control.js b/libs/control.js
index 22525912..f8eb5b89 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -1240,7 +1240,7 @@ control.prototype.checkBlock = function () {
             var x=t.x, y=t.y, direction = t.direction;
             var nx = x+core.utils.scan[direction].x, ny=y+core.utils.scan[direction].y;
 
-            return nx>=0 && nx<core.bigmap.width && ny>=0 && ny<core.bigmap.height && core.getBlock(nx, ny, null, true)==null;
+            return nx>=0 && nx<core.bigmap.width && ny>=0 && ny<core.bigmap.height && core.getBlock(nx, ny)==null;
         });
         core.updateStatusBar();
         if (snipe.length>0)
@@ -1528,6 +1528,7 @@ control.prototype.chooseReplayFile = function () {
 
 ////// 开始播放 //////
 control.prototype.startReplay = function (list) {
+    if (!core.isPlaying()) return;
     core.status.replay.replaying=true;
     core.status.replay.pausing=false;
     core.status.replay.speed=1.0;
@@ -1543,6 +1544,7 @@ control.prototype.startReplay = function (list) {
 
 ////// 更改播放状态 //////
 control.prototype.triggerReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
     if (core.status.replay.pausing) this.resumeReplay();
     else this.pauseReplay();
@@ -1550,6 +1552,7 @@ control.prototype.triggerReplay = function () {
 
 ////// 暂停播放 //////
 control.prototype.pauseReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
     if (!core.status.replay.replaying) return;
     core.status.replay.pausing = true;
@@ -1559,6 +1562,7 @@ control.prototype.pauseReplay = function () {
 
 ////// 恢复播放 //////
 control.prototype.resumeReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
     if (!core.status.replay.replaying) return;
     core.status.replay.pausing = false;
@@ -1569,6 +1573,7 @@ control.prototype.resumeReplay = function () {
 
 ////// 加速播放 //////
 control.prototype.speedUpReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
     if (!core.status.replay.replaying) return;
     if (core.status.replay.speed==12) core.status.replay.speed=24.0;
@@ -1583,6 +1588,7 @@ control.prototype.speedUpReplay = function () {
 
 ////// 减速播放 //////
 control.prototype.speedDownReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
     if (!core.status.replay.replaying) return;
     if (core.status.replay.speed==24) core.status.replay.speed=12.0;
@@ -1598,6 +1604,7 @@ control.prototype.speedDownReplay = function () {
 
 ////// 设置播放速度 //////
 control.prototype.setReplaySpeed = function (speed) {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
     if (!core.status.replay.replaying) return;
     core.status.replay.speed = speed;
@@ -1606,6 +1613,7 @@ control.prototype.setReplaySpeed = function (speed) {
 
 ////// 停止播放 //////
 control.prototype.stopReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
     if (!core.status.replay.replaying) return;
     core.status.replay.toReplay = [];
@@ -1621,6 +1629,7 @@ control.prototype.stopReplay = function () {
 
 ////// 回退 //////
 control.prototype.rewindReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
     if (!core.status.replay.replaying) return;
     if (!core.status.replay.pausing) {
@@ -1656,6 +1665,7 @@ control.prototype.rewindReplay = function () {
 
 ////// 回放时存档 //////
 control.prototype.saveReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
     if (!core.status.replay.replaying) return;
     if (!core.status.replay.pausing) {
@@ -1677,6 +1687,7 @@ control.prototype.saveReplay = function () {
 
 ////// 回放时查看怪物手册 //////
 control.prototype.bookReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0) return;
     if (!core.status.replay.replaying) return;
     if (!core.status.replay.pausing) {
@@ -1702,6 +1713,7 @@ control.prototype.bookReplay = function () {
 
 ////// 回放录像时浏览地图 //////
 control.prototype.viewMapReplay = function () {
+    if (!core.isPlaying()) return;
     if (core.status.event.id=='save' || (core.status.event.id||"").indexOf('book')==0 || core.status.event.id=='viewMaps') return;
 
     if (!core.status.replay.replaying) return;
@@ -1721,6 +1733,7 @@ control.prototype.viewMapReplay = function () {
 
 ////// 回放 //////
 control.prototype.replay = function () {
+    if (!core.isPlaying()) return;
 
     if (!core.status.replay.replaying) return; // 没有回放
     if (core.status.replay.pausing) return; // 暂停状态
diff --git a/libs/events.js b/libs/events.js
index c915a462..66f5159f 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -835,7 +835,7 @@ events.prototype.doAction = function() {
             break;
         case "setWeather": // 更改天气
             core.setWeather(data.name, data.level);
-            if (core.isset(data.name))
+            if (data.name=='rain' || data.name=='snow' || data.name=='fog')
                 core.setFlag('__weather__', [data.name, data.level]);
             else core.removeFlag('__weather__');
             this.doAction();
diff --git a/libs/loader.js b/libs/loader.js
index d5185100..0715d5df 100644
--- a/libs/loader.js
+++ b/libs/loader.js
@@ -272,6 +272,8 @@ loader.prototype.freeBgm = function (name) {
 
 loader.prototype.loadBgm = function (name) {
     if (!core.isset(core.material.bgms[name])) return;
+    // 如果没开启音乐，则不预加载
+    if (!core.musicStatus.bgmStatus) return;
     // 是否已经预加载过
     var index = core.musicStatus.cachedBgms.indexOf(name);
     if (index>=0) {