diff --git a/libs/core.js b/libs/core.js
index 6cbe83cf..a9e571bc 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -277,7 +277,7 @@ core.prototype._init_platform = function () {
         }
     });
     core.platform.string = core.platform.isPC ? "PC" : core.platform.isAndroid ? "Android" : core.platform.isIOS ? "iOS" : "";
-    core.platform.supportCopy = document.queryCommandSupported || document.queryCommandSupported("copy");
+    core.platform.supportCopy = document.queryCommandSupported && document.queryCommandSupported("copy");
     var chrome = /Chrome\/(\d+)\./i.exec(navigator.userAgent);
     if (chrome && parseInt(chrome[1]) >= 50) core.platform.isChrome = true;
     core.platform.isSafari = /Safari/i.test(navigator.userAgent) && !/Chrome/i.test(navigator.userAgent);
diff --git a/libs/utils.js b/libs/utils.js
index 6c99e3bb..c221a5b8 100644
--- a/libs/utils.js
+++ b/libs/utils.js
@@ -941,7 +941,7 @@ utils.prototype.myprompt = function (hint, value, callback) {
 ////// 动画显示某对象 //////
 utils.prototype.showWithAnimate = function (obj, speed, callback) {
     obj.style.display = 'block';
-    if (!speed && main.mode != 'play') {
+    if (!speed || main.mode != 'play') {
         obj.style.opacity = 1;
         if (callback) callback();
         return;