diff --git a/docs/event.md b/docs/event.md
index 3eb4023c..a1ccef79 100644
--- a/docs/event.md
+++ b/docs/event.md
@@ -591,7 +591,7 @@ direction为可选的，指定的话将使勇士的朝向变成该方向
 
 time为可选的，指定的话将作为楼层切换动画的时间。
 
-**time也可以置为0，如果为0则没有楼层切换动画。**
+**如果time指定为小于100，则视为没有楼层切换动画。**
 
 !> **changeFloor到达一个新的楼层，将不会执行firstArrive事件！如有需求请在到达点设置自定义事件，然后使用type: trigger立刻调用之。**
 
diff --git a/libs/events.js b/libs/events.js
index c60a3914..add5938c 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -1001,7 +1001,7 @@ events.prototype.changeFloor = function (floorId, stair, heroLoc, time, callback
         else floorId=core.status.floorId;
     }
 
-    var displayAnimate=!(time==0) && !core.status.replay.replaying;
+    var displayAnimate=(!core.isset(time) || time>=100) && !core.status.replay.replaying;
 
     time = time || 800;
     time /= 20;
@@ -1484,7 +1484,7 @@ events.prototype.afterLoadData = function (data) {
 }
 
 ////// 上传当前数据 //////
-events.prototype.uploadCurrent = function () {
+events.prototype.uploadCurrent = function (username) {
     var formData = new FormData();
 
     formData.append('type', 'score');
@@ -1492,8 +1492,9 @@ events.prototype.uploadCurrent = function () {
     formData.append('version', core.firstData.version);
     formData.append('platform', core.platform.isPC?"PC":core.platform.isAndroid?"Android":core.platform.isIOS?"iOS":"");
     formData.append('hard', core.encodeBase64(core.status.hard));
+    formData.append('username', core.encodeBase64(username||"current"));
     formData.append('lv', core.status.hero.lv);
-    formData.append('hp', Math.min(hp, Math.pow(2, 63)));
+    formData.append('hp', Math.min(core.status.hero.hp, Math.pow(2, 63)));
     formData.append('atk', core.status.hero.atk);
     formData.append('def', core.status.hero.def);
     formData.append('mdef', core.status.hero.mdef);
diff --git a/libs/utils.js b/libs/utils.js
index 58c625a1..062772ac 100644
--- a/libs/utils.js
+++ b/libs/utils.js
@@ -76,7 +76,19 @@ utils.prototype.unshift = function (a,b) {
 ////// 设置本地存储 //////
 utils.prototype.setLocalStorage = function(key, value) {
     try {
-        localStorage.setItem(core.firstData.name + "_" + key, LZString.compress(JSON.stringify(value)));
+        var str = JSON.stringify(value);
+        var compressed = LZString.compress(str);
+
+        // test if we can save to localStorage
+        localStorage.setItem("__tmp__", compressed);
+        if (LZString.decompress(localStorage.getItem("__tmp__"))==str) {
+            localStorage.setItem(core.firstData.name + "_" + key, compressed);
+        }
+        else {
+            // We cannot compress the data
+            localStorage.setItem(core.firstData.name + "_" + key, str);
+        }
+        localStorage.removeItem("__tmp__");
         return true;
     }
     catch (e) {