diff --git a/languages/en.css b/languages/en.css
index 3ec1d57c..54935795 100644
--- a/languages/en.css
+++ b/languages/en.css
@@ -202,6 +202,9 @@
 .control-box .datasource-label::before{
 	content: "Data source:";
 }
+.control-box .datasource-updatetime::before{
+	content: "Update Time:";
+}
 .control-box .btn-solo-link::before{
 	content: "🧑Jump To Solo Mode";
 }
diff --git a/languages/ja.css b/languages/ja.css
index 8ddd67a2..8934fae9 100644
--- a/languages/ja.css
+++ b/languages/ja.css
@@ -195,6 +195,9 @@
 .control-box .datasource-label::before{
 	content: "データ ソース:";
 }
+.control-box .datasource-updatetime::before{
+	content: "更新時刻:";
+}
 .control-box .btn-solo-link::before{
 	content: "🧑ソロゲームに移動";
 }
diff --git a/languages/ko.css b/languages/ko.css
index 6cb17c64..9eb17067 100644
--- a/languages/ko.css
+++ b/languages/ko.css
@@ -195,6 +195,9 @@
 .control-box .datasource-label::before{
 	content: "데이터 소스:";
 }
+.control-box .datasource-updatetime::before{
+	content: "업데이트 시간:";
+}
 .control-box .btn-solo-link::before{
 	content: "🧑싱글 플레이어 게임으로 이동";
 }
diff --git a/languages/zh-TW.css b/languages/zh-TW.css
index 2af50354..55dd3ae9 100644
--- a/languages/zh-TW.css
+++ b/languages/zh-TW.css
@@ -201,6 +201,9 @@
 .control-box .datasource-label::before{
 	content: "數據來源：";
 }
+.control-box .datasource-updatetime::before{
+	content: "更新時間：";
+}
 .control-box .btn-solo-link::before{
 	content: "🧑轉到單人遊戲";
 }
diff --git a/languages/zh.css b/languages/zh.css
index d3ba8820..6847c565 100644
--- a/languages/zh.css
+++ b/languages/zh.css
@@ -201,6 +201,9 @@
 .control-box .datasource-label::before{
 	content: "数据来源：";
 }
+.control-box .datasource-updatetime::before{
+	content: "更新时间：";
+}
 .control-box .btn-solo-link::before{
 	content: "🧑转到单人游戏";
 }
diff --git a/multi.html b/multi.html
index ba8caf8e..1d126162 100644
--- a/multi.html
+++ b/multi.html
@@ -26,7 +26,7 @@ var formation = new Formation(teamsCount,5);
 		<div>
 			<label class="languages-label"><select class="languages"></select></label>
 			<label class="datasource-label"><select class="datasource"></select></label>
-			<a class="help-link" target="_blank" href="https://github.com/Mapaler/PADDashFormation/blob/master/help.md"></a>
+			<span class="datasource-updatetime"></span>
 		</div>
 		<div>
 			<button class="btn-clear-data" onclick="clearData();"></button>
@@ -35,6 +35,7 @@ var formation = new Formation(teamsCount,5);
 			<button class="btn-solo-link" onclick="turnPage(1);"></button>
 			<button class="btn-triple-link" onclick="turnPage(3);"></button>
 			<button class="btn-swap-AB-team" onclick="swapABCteam();"></button>
+			<a class="help-link" target="_blank" href="https://github.com/Mapaler/PADDashFormation/blob/master/help.md"></a>
 		</div>
 		<div>
 			<input type="checkbox" name="show-mon-id" class="config-checkbox-ipt" id="show-mon-id" onclick="toggleShowMonId();" checked><label class="config-checkbox-lbl show-mon-id-lbl" for="show-mon-id"><div class="config-checkbox-lbl-cicle"></div></label>
diff --git a/script.js b/script.js
index dc837056..cfd60aa2 100644
--- a/script.js
+++ b/script.js
@@ -407,8 +407,9 @@ window.onload = function()
 		if (!lastCurrentCkeys)
 		{ //如果未找到上个ckey，则添加个新的
 			lastCurrentCkeys = {
-				code:currentDataSource.code,
-				ckey:{}
+				code: currentDataSource.code,
+				ckey: {},
+				updateTime: null
 			}
 			lastCkeys.push(lastCurrentCkeys);
 		}
@@ -437,6 +438,7 @@ window.onload = function()
 					console.log("Cards ckey变化，储存新数据",currentCkey.ckey.card);
 					localforage.setItem(`PADDF-${currentDataSource.code}-cards`, response.response).then(function(){
 						lastCurrentCkeys.ckey.card = currentCkey.ckey.card;
+						lastCurrentCkeys.updateTime = currentCkey.updateTime;
 						GM_setValue("PADDF-ckey", JSON.stringify(lastCkeys));
 						dealCardsData(response.response);
 					}).catch(function(err) {
@@ -495,6 +497,7 @@ window.onload = function()
 					console.log("Skills ckey变化，储存新数据",currentCkey.ckey.skill);
 					localforage.setItem(`PADDF-${currentDataSource.code}-skills`, response.response).then(function(){
 						lastCurrentCkeys.ckey.skill = currentCkey.ckey.skill;
+						lastCurrentCkeys.updateTime = currentCkey.updateTime;
 						GM_setValue("PADDF-ckey", JSON.stringify(lastCkeys));
 						dealSkillData(response.response);
 					}).catch(function(err) {
@@ -526,6 +529,10 @@ window.onload = function()
 			console.log("Skills数据JSON解码出错",e);
 			return;
 		}
+		const currentCkey = newCkeys.find(ckey=>ckey.code == currentDataSource.code); 
+		const updateTime = controlBox.querySelector(".datasource-updatetime");
+		updateTime.innerHTML = new Date(currentCkey.updateTime).toLocaleString();
+
 		initialize();//初始化
 		statusLine.classList.remove("loading-skill-info");
 		//如果通过的话就载入URL中的怪物数据
diff --git a/solo.html b/solo.html
index cd9f8a19..4fd835fc 100644
--- a/solo.html
+++ b/solo.html
@@ -26,7 +26,7 @@ var formation = new Formation(teamsCount,6);
 		<div>
 			<label class="languages-label"><select class="languages"></select></label>
 			<label class="datasource-label"><select class="datasource"></select></label>
-			<a class="help-link" target="_blank" href="https://github.com/Mapaler/PADDashFormation/blob/master/help.md"></a>
+			<span class="datasource-updatetime"></span>
 		</div>
 		<div>
 			<button class="btn-clear-data" onclick="clearData();"></button>
@@ -34,6 +34,7 @@ var formation = new Formation(teamsCount,6);
 			<a class="down-capture display-none" target="_blank"></a>
 			<button class="btn-multi-link" onclick="turnPage(2);"></button>
 			<button class="btn-triple-link" onclick="turnPage(3);"></button>
+			<a class="help-link" target="_blank" href="https://github.com/Mapaler/PADDashFormation/blob/master/help.md"></a>
 		</div>
 		<div>
 			<input type="checkbox" name="show-mon-id" class="config-checkbox-ipt" id="show-mon-id" onclick="toggleShowMonId();" checked><label class="config-checkbox-lbl show-mon-id-lbl" for="show-mon-id"><div class="config-checkbox-lbl-cicle"></div></label>
diff --git a/triple.html b/triple.html
index dd13ba8e..8d038232 100644
--- a/triple.html
+++ b/triple.html
@@ -39,7 +39,7 @@ var formation = new Formation(teamsCount,6);
 		<div>
 			<label class="languages-label"><select class="languages"></select></label>
 			<label class="datasource-label"><select class="datasource"></select></label>
-			<a class="help-link" target="_blank" href="https://github.com/Mapaler/PADDashFormation/blob/master/help.md"></a>
+			<span class="datasource-updatetime"></span>
 		</div>
 		<div>
 			<button class="btn-clear-data" onclick="clearData();"></button>
@@ -48,6 +48,7 @@ var formation = new Formation(teamsCount,6);
 			<button class="btn-solo-link" onclick="turnPage(1);"></button>
 			<button class="btn-multi-link" onclick="turnPage(2);"></button>
 			<button class="btn-swap-ABC-team" onclick="swapABCteam();"></button>
+			<a class="help-link" target="_blank" href="https://github.com/Mapaler/PADDashFormation/blob/master/help.md"></a>
 		</div>
 		<div>
 			<input type="checkbox" name="show-mon-id" class="config-checkbox-ipt" id="show-mon-id" onclick="toggleShowMonId();" checked><label class="config-checkbox-lbl show-mon-id-lbl" for="show-mon-id"><div class="config-checkbox-lbl-cicle"></div></label>