diff --git a/libs/core.js b/libs/core.js
index 8176977a..1811f38c 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -150,6 +150,9 @@ core.prototype.init = function (coreData) {
         core[key] = coreData[key];
     }
     core.flags = core.clone(core.data.flags);
+    core.values = core.clone(core.data.values);
+    core.firstData = core.data.getFirstData();
+
     if (!core.flags.enableExperience)
         core.flags.enableLevelUp = false;
     if (!core.flags.canOpenBattleAnimate) {
@@ -157,9 +160,7 @@ core.prototype.init = function (coreData) {
         core.flags.battleAnimate = false;
         core.setLocalStorage('battleAnimate', false);
     }
-    core.values = core.clone(core.data.values);
-    core.firstData = core.data.getFirstData();
-
+    
     // core.initStatus.shops = core.firstData.shops;
     core.firstData.shops.forEach(function (t) {
         core.initStatus.shops[t.id] = t;
@@ -1157,6 +1158,16 @@ core.prototype.keyUp = function(keyCode) {
                 });
             }
             break;
+        case 33: case 34: // PAGEUP/PAGEDOWN
+            if (core.status.heroStop) {
+                if (core.flags.enableViewMaps) {
+                    core.ui.drawMaps(core.floorIds.indexOf(core.status.floorId));
+                }
+                else {
+                    core.drawTip("本塔不允许浏览地图！");
+                }
+            }
+            break;
         case 37: // UP
             break;
         case 38: // DOWN
@@ -2220,17 +2231,16 @@ core.prototype.openDoor = function (id, x, y, needKey, callback) {
     var speed=30;
     if (needKey) {
         var key = id.replace("Door", "Key");
-        if (!core.removeItem(key)) {
+        if (!core.hasItem(key)) {
             if (key != "specialKey")
                 core.drawTip("你没有" + core.material.items[key].name);
             else core.drawTip("无法开启此门");
             core.clearContinueAutomaticRoute();
             return;
         }
-    }
-
-    if (!core.isset(core.status.event.id)) // 自动存档
         core.autosave(true);
+        core.removeItem(key);
+    }
 
     // open
     core.playSound("door.ogg");
@@ -4363,11 +4373,11 @@ core.prototype.openSettings = function (need) {
 
 ////// 自动存档 //////
 core.prototype.autosave = function (removeLast) {
-    var x;
+    var x=null;
     if (removeLast)
         x=core.status.route.pop();
     core.saveData("autoSave");
-    if (removeLast)
+    if (removeLast && core.isset(x))
         core.status.route.push(x);
 }
 
diff --git a/libs/events.js b/libs/events.js
index 457cedea..1163b45e 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -1167,8 +1167,8 @@ events.prototype.clickViewMaps = function (x,y) {
 
 ////// 查看地图界面时，按下某个键的操作 //////
 events.prototype.keyDownViewMaps = function (keycode) {
-    if (keycode==37 || keycode==38) core.ui.drawMaps(core.status.event.data+1);
-    else if (keycode==39 || keycode==40) core.ui.drawMaps(core.status.event.data-1);
+    if (keycode==37 || keycode==38 || keycode==33) core.ui.drawMaps(core.status.event.data+1);
+    else if (keycode==39 || keycode==40 || keycode==34) core.ui.drawMaps(core.status.event.data-1);
     return;
 }