diff --git a/libs/control.js b/libs/control.js
index f9453af4..c59e7cfe 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -2603,6 +2603,7 @@ control.prototype.playSound = function (sound) {
                     source.noteOn(0);
                 }
                 catch (ee) {
+                    console.log(ee);
                 }
             }
         }
diff --git a/libs/loader.js b/libs/loader.js
index ea6cd51d..d86b3c2c 100644
--- a/libs/loader.js
+++ b/libs/loader.js
@@ -136,6 +136,7 @@ loader.prototype.loadAnimates = function () {
                             image.src = t2;
                             data.images.push(image);
                         } catch (e) {
+                            console.log(e);
                             data.images.push(null);
                         }
                     }
diff --git a/libs/utils.js b/libs/utils.js
index 5893a0a2..9557c912 100644
--- a/libs/utils.js
+++ b/libs/utils.js
@@ -151,7 +151,9 @@ utils.prototype.getLocalStorage = function(key, defaultValue) {
                 try {
                     return JSON.parse(output);
                 }
-                catch (ee) {}
+                catch (ee) {
+                    // Ignore, use default value
+                }
             }
             return JSON.parse(value);
         }
diff --git a/main.js b/main.js
index 740a0c49..a30bdfbf 100644
--- a/main.js
+++ b/main.js
@@ -313,7 +313,7 @@ main.prototype.listen = function () {
 window.onresize = function () {
     try {
         main.core.resize(main.dom.body.clientWidth, main.dom.body.clientHeight);
-    }catch (e) {}
+    }catch (e) { console.log(e); }
 }
 
 ////// 在界面上按下某按键时 //////
@@ -321,7 +321,7 @@ main.dom.body.onkeydown = function(e) {
     try {
         if (main.core.isPlaying() || main.core.status.lockControl)
             main.core.onkeyDown(e);
-    } catch (ee) {}
+    } catch (ee) { console.log(ee); }
 }
 
 ////// 在界面上放开某按键时 //////
@@ -329,7 +329,7 @@ main.dom.body.onkeyup = function(e) {
     try {
         if (main.core.isPlaying() || main.core.status.lockControl)
             main.core.onkeyUp(e);
-    } catch (ee) {}
+    } catch (ee) { console.log(ee); }
 }
 
 ////// 开始选择时 //////
@@ -344,7 +344,7 @@ main.dom.data.onmousedown = function (e) {
         var loc = main.core.getClickLoc(e.clientX, e.clientY);
         if (loc == null) return;
         main.core.ondown(loc);
-    } catch (ee) {}
+    } catch (ee) { console.log(ee); }
 }
 
 ////// 鼠标移动时 //////
@@ -354,14 +354,14 @@ main.dom.data.onmousemove = function (e) {
         var loc = main.core.getClickLoc(e.clientX, e.clientY);
         if (loc == null) return;
         main.core.onmove(loc);
-    }catch (ee) {}
+    }catch (ee) { console.log(ee); }
 }
 
 ////// 鼠标放开时 //////
 main.dom.data.onmouseup = function () {
     try {
         main.core.onup();
-    }catch (e) {}
+    }catch (e) { console.log(e); }
 }
 
 ////// 鼠标滑轮滚动时 //////
@@ -371,7 +371,7 @@ main.dom.data.onmousewheel = function(e) {
             main.core.onmousewheel(Math.sign(e.wheelDelta))
         else if (e.detail)
             main.core.onmousewheel(Math.sign(e.detail));
-    } catch (ee) {}
+    } catch (ee) { console.log(ee); }
 }
 
 ////// 手指在触摸屏开始触摸时 //////
@@ -381,7 +381,7 @@ main.dom.data.ontouchstart = function (e) {
         var loc = main.core.getClickLoc(e.targetTouches[0].clientX, e.targetTouches[0].clientY);
         if (loc == null) return;
         main.core.ondown(loc);
-    }catch (ee) {}
+    }catch (ee) { console.log(ee); }
 }
 
 ////// 手指在触摸屏上移动时 //////
@@ -391,7 +391,7 @@ main.dom.data.ontouchmove = function (e) {
         var loc = main.core.getClickLoc(e.targetTouches[0].clientX, e.targetTouches[0].clientY);
         if (loc == null) return;
         main.core.onmove(loc);
-    }catch (ee) {}
+    }catch (ee) { console.log(ee); }
 }
 
 ////// 手指离开触摸屏时 //////
@@ -400,6 +400,7 @@ main.dom.data.ontouchend = function (e) {
         e.preventDefault();
         main.core.onup();
     } catch (e) {
+        console.log(e); 
     }
 }