diff --git a/main.js b/main.js
index d5b70a61..e19c4143 100644
--- a/main.js
+++ b/main.js
@@ -374,20 +374,33 @@ main.dom.body.onkeydown = function(e) {
 
 ////// 在界面上放开某按键时 //////
 main.dom.body.onkeyup = function(e) {
-    if (core.dom.startPanel.style.display == 'block' &&
-        (main.dom.startButtons.style.display == 'block' || main.dom.levelChooseButtons.style.display == 'block')) {
-        if (e.keyCode == 38 || e.keyCode == 33) // up/pgup
-            main.selectButton((main.selectedButton||0) - 1);
-        else if (e.keyCode == 40 || e.keyCode == 34) // down/pgdn
-            main.selectButton((main.selectedButton||0) + 1);
-        else if (e.keyCode == 67 || e.keyCode == 13 || e.keyCode == 32) // C/Enter/Space
-            main.selectButton(main.selectedButton);
-        return;
-    }
-
     try {
-        if (main.dom.inputDiv.style.display == 'block') return;
-        if (main.core && (main.core.isPlaying() || main.core.status.lockControl))
+        if (main.dom.startPanel.style.display == 'block' &&
+            (main.dom.startButtons.style.display == 'block' || main.dom.levelChooseButtons.style.display == 'block')) {
+            if (e.keyCode == 38 || e.keyCode == 33) // up/pgup
+                main.selectButton((main.selectedButton||0) - 1);
+            else if (e.keyCode == 40 || e.keyCode == 34) // down/pgdn
+                main.selectButton((main.selectedButton||0) + 1);
+            else if (e.keyCode == 67 || e.keyCode == 13 || e.keyCode == 32) // C/Enter/Space
+                main.selectButton(main.selectedButton);
+            e.stopPropagation();
+            return;
+        }
+        if (main.dom.inputDiv.style.display == 'block') {
+            if (e.keyCode == 13) {
+                setTimeout(function () {
+                    main.dom.inputYes.click();
+                }, 50);
+            }
+            else if (e.keyCode == 27) {
+                setTimeout(function () {
+                    main.dom.inputNo.click();
+                }, 50);
+            }
+            return;
+        }
+        if (main.core && main.core.isPlaying && main.core.status &&
+            (main.core.isPlaying() || main.core.status.lockControl))
             main.core.onkeyUp(e);
     } catch (ee) { main.log(ee); }
 }
@@ -732,19 +745,6 @@ main.dom.inputNo.onclick = function () {
     if (func) func(null);
 }
 
-main.dom.inputDiv.onkeyup = function (e) {
-    if (e.keyCode == 13) {
-        setTimeout(function () {
-            main.dom.inputYes.click();
-        }, 50);
-    }
-    else if (e.keyCode == 27) {
-        setTimeout(function () {
-            main.dom.inputNo.click();
-        }, 50);
-    }
-}
-
 }//listen end
 
 var main = new main();
\ No newline at end of file