diff --git a/Web12306/js/ui/ui-login.js b/Web12306/js/ui/ui-login.js
index 398a371..34dfe15 100644
--- a/Web12306/js/ui/ui-login.js
+++ b/Web12306/js/ui/ui-login.js
@@ -133,7 +133,7 @@
 				}
 
 				btn.prop("disabled", false);
-				vc.refresh(dlg.find(".verify-code"), true);
+				vc.refresh(dlg.find(".verify-code"), 2000);
 				//$("#user-login-dialog input:text:last").val("");
 
 				loginTip.content = msg;
diff --git a/Web12306/js/ui/ui-submit-order.js b/Web12306/js/ui/ui-submit-order.js
index 28ac56b..fbd9cec 100644
--- a/Web12306/js/ui/ui-submit-order.js
+++ b/Web12306/js/ui/ui-submit-order.js
@@ -143,7 +143,7 @@
 				} else {
 					//$("p.ticket-submit-vc input").val("")[0].focus();
 					//$("#ticket-submit-info .ticket-submit-vc span").click();
-					vc.refresh($("#ticket-submit-info .ticket-submit-vc"), true);
+					vc.refresh($("#ticket-submit-info .ticket-submit-vc"), 2000);
 				}
 
 				//track
diff --git a/Web12306/js/ui/widget_verifycode.js b/Web12306/js/ui/widget_verifycode.js
index 1f0c106..be25fc6 100644
--- a/Web12306/js/ui/widget_verifycode.js
+++ b/Web12306/js/ui/widget_verifycode.js
@@ -32,7 +32,7 @@
 		imageEle.attr({ "src": "/images/loading.gif" });
 		imageEle.trigger("verifyCodeOnLoad");
 		ajax.loadImage(config.url, config.refer, function (e) {
-			if (this.url.indexOf("base64,eyJ2YWxpZGF0ZU1lc3") !== -1) {
+			if (this.url.indexOf("base64,eyJ2YWxpZGF0ZU1lc3") !== -1 || this.url.indexOf("data:image/jpeg;base64,=") !== -1) {
 				//网络繁忙
 				//重试
 				setTimeout(function () {
@@ -61,7 +61,7 @@
 		if (delay) {
 			target.find("img").attr({ "src": "/images/loading.gif" });
 			//target.find("span").css({ "background-image": "url(/images/loading.gif)", "background-size": "auto" });
-			setTimeout(reloadCode, 1);
+			setTimeout(reloadCode, delay);
 		} else {
 			reloadCode();
 		}