diff --git a/docs/sample0.png b/docs/sample0.png
index 6598e611..24d6ac87 100644
Binary files a/docs/sample0.png and b/docs/sample0.png differ
diff --git a/extensions/localSave.js b/extensions/localSave.js
index 67071201..061d5c17 100644
--- a/extensions/localSave.js
+++ b/extensions/localSave.js
@@ -68,10 +68,42 @@
         }
     }
 
+
+    var _export = function () {
+        var toExport = [];
+
+        localforage.iterate(function (value, key, n) {
+            if (value == null || !key.startsWith(core.firstData.name)) return;
+            value = core.decompress(value);
+            if (value == null) return;
+            var str = JSON.stringify(value).replace(/[\u007F-\uFFFF]/g, function (chr) {
+                return "\\u" + ("0000" + chr.charCodeAt(0).toString(16)).substr(-4)
+            });
+            str = LZString.compressToBase64(str);
+            toExport.push(key);
+            core.saves.cache[key] = str;
+            fs.writeFile('_saves/' + key, str, 'utf-8', function () {});
+        }, function () {
+            if (toExport.length > 0) {
+                alert('提示！本塔已开启存档本地化！原始存档已全部导出至 _saves/ 目录下。');
+            }
+            fs.writeFile('_saves/.exported', '1', 'utf-8', function () {});
+            rewrite();
+            core.control.getSaveIndexes(function (indexes) { core.saves.ids = indexes; });
+        });
+    }
+
     fs.mkdir('_saves', function (err) {
         if (err) return;
-        rewrite();
-        core.control.getSaveIndexes(function (indexes) { core.saves.ids = indexes; });
+
+        fs.readFile('_saves/.exported', 'utf-8', function(err, data) {
+            if (!err && data) {
+                rewrite();
+                core.control.getSaveIndexes(function (indexes) { core.saves.ids = indexes; });
+                return;
+            }
+            _export();
+        });
     });
 })();
 
diff --git a/libs/actions.js b/libs/actions.js
index 55100ba6..4ed7f349 100644
--- a/libs/actions.js
+++ b/libs/actions.js
@@ -590,7 +590,7 @@ actions.prototype._sys_ondown = function (x, y, px, py) {
             core.status.preview.dragging = true;
             core.drawTip('已进入预览模式，可直接拖动大地图');
             core.status.stepPostfix = [];
-        }, 600);
+        }, 500);
     } 
 }
 
diff --git a/libs/control.js b/libs/control.js
index 120540ad..8f2d8a17 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -2049,23 +2049,19 @@ control.prototype._doSL_replayLoad_afterGet = function (id, data) {
     if (!data) {
         core.playSound('操作失败');
         return core.drawTip("无效的存档");
-    }
+    } 
     if (data.version != core.firstData.version) {
         core.playSound('操作失败');
         return core.drawTip("存档版本不匹配");
     }
-    if (data.hard != core.status.hard) {
-        core.playSound('操作失败');
-        return core.drawTip("游戏难度不匹配！");
-    }
     if (data.hero.flags.__events__ && data.guid != core.getGuid()) {
         core.playSound('操作失败');
         return core.drawTip("此存档可能存在风险，无法读档");
     }
     var route = core.subarray(core.status.route, core.decodeRoute(data.route));
-    if (route == null || data.hero.flags.__seed__ != core.getFlag('__seed__')) {
+    if (route == null) {
         core.playSound('操作失败');
-        return core.drawTip("种子不一致，无法从此存档回放录像");
+        return core.drawTip("无法从此存档回放录像");
     }
     core.loadData(data, function () {
         core.removeFlag('__fromLoad__');
@@ -2177,7 +2173,8 @@ control.prototype._syncLoad_http = function (id, password) {
             var msg = null;
             try {
                 msg = JSON.parse(LZString.decompressFromBase64(response.msg));
-            } catch (e) {
+            } catch (e) {}
+            if (!msg) {
                 try {
                     msg = JSON.parse(response.msg);
                 } catch (e) {}
diff --git a/libs/utils.js b/libs/utils.js
index 61f81dce..22b04674 100644
--- a/libs/utils.js
+++ b/libs/utils.js
@@ -518,26 +518,28 @@ utils.prototype.formatBigNumber = function (x, digits) {
 	x = Math.trunc(parseFloat(x)); // 尝试识别为小数，然后向0取整
 	if (x == null || !Number.isFinite(x)) return '???'; // 无法识别的数或正负无穷大，显示'???'
 	var units = [ // 单位及其后缀字母，可自定义，如改成千进制下的K、M、G、T、P
-		{ "val": 1e20, "suffix": "g" },
-		{ "val": 1e16, "suffix": "j" },
-		{ "val": 1e12, "suffix": "z" },
+		{ "val": 1e4, "suffix": "w" },
 		{ "val": 1e8, "suffix": "e" },
-		{ "val": 10000, "suffix": "w" },
+		{ "val": 1e12, "suffix": "z" },
+		{ "val": 1e16, "suffix": "j" },
+		{ "val": 1e20, "suffix": "g" },
 	];
-	if (Math.abs(x) > units[0].val * Math.pow(10, digits - 2))
+	if (Math.abs(x) > 1e20 * Math.pow(10, digits - 2))
 		return x.toExponential(0); // 绝对值过大以致于失去精度的数，直接使用科学记数法，系数只保留整数
 	var sign = x < 0 ? '-' : '';
 	if (sign) --digits; // 符号位单独处理，负号要占一位
 	x = Math.abs(x);
-	if (x.toString().length <= digits) return sign + x;
-	for (var i = 0; i < units.length; ++i) { // 从大到小尝试选取合适的单位
-		var each = units[i];
-		if (x >= each.val) {
-			var v = x / each.val;
-			return sign + v.toFixed(Math.max(0, Math.floor(digits - 2 - Math.log10(v + 1)))) + each.suffix;
-		}
-	}
-	return sign + x;
+
+    if (x < Math.pow(10, digits)) return sign + x;
+
+    for (var i = 0; i < units.length; ++i) {
+        var each = units[i];
+        var u = (x / each.val).toFixed(digits).substring(0, digits);
+        if (u.indexOf('.') < 0) continue;
+        u = u.substring(0, u[u.length - 2] == '.' ? u.length - 2 : u.length - 1);
+        return sign + u + each.suffix;
+    }
+	return sign + x.toExponential(0);
 }
 
 ////// 变速移动 //////
@@ -1028,7 +1030,8 @@ utils.prototype.readFileContent = function (content) {
     // 检查base64
     try {
         obj = JSON.parse(LZString.decompressFromBase64(content));
-    } catch (e) {
+    } catch (e) {}
+    if (!obj) {
         try {
             obj = JSON.parse(content);
         } catch (e) {