diff --git a/openwrt/luci-app-aliyundrive-webdav/luasrc/controller/aliyundrive-webdav.lua b/openwrt/luci-app-aliyundrive-webdav/luasrc/controller/aliyundrive-webdav.lua
index 84929f3571..e6cb92984b 100644
--- a/openwrt/luci-app-aliyundrive-webdav/luasrc/controller/aliyundrive-webdav.lua
+++ b/openwrt/luci-app-aliyundrive-webdav/luasrc/controller/aliyundrive-webdav.lua
@@ -18,6 +18,7 @@ function index()
 	entry({ "admin", "services", "aliyundrive-webdav", "logtail" }, call("action_logtail")).leaf = true -- 日志采集
 	entry({ "admin", "services", "aliyundrive-webdav", "qrcode" }, call("action_generate_qrcode")).leaf = true -- 生成扫码登录二维码地址和参数
 	entry({ "admin", "services", "aliyundrive-webdav", "query" }, call("action_query_qrcode")).leaf = true -- 查询扫码登录结果
+	entry({ "admin", "services", "aliyundrive-webdav", "invalidate-cache" }, call("action_invalidate_cache")).leaf = true -- 清除缓存
 end
 
 function action_status()
@@ -57,3 +58,10 @@ function action_query_qrcode()
 	luci.http.prepare_content("application/json")
 	luci.http.write_json(output)
 end
+
+function action_invalidate_cache()
+	local e = {}
+	e.ok = luci.sys.call("kill -HUP `pidof aliyundrive-webdav`") == 0
+	luci.http.prepare_content("application/json")
+	luci.http.write_json(e)
+end
diff --git a/openwrt/luci-app-aliyundrive-webdav/luasrc/view/aliyundrive-webdav/aliyundrive-webdav_status.htm b/openwrt/luci-app-aliyundrive-webdav/luasrc/view/aliyundrive-webdav/aliyundrive-webdav_status.htm
index cd52d7ba6c..49cc5d2c7f 100644
--- a/openwrt/luci-app-aliyundrive-webdav/luasrc/view/aliyundrive-webdav/aliyundrive-webdav_status.htm
+++ b/openwrt/luci-app-aliyundrive-webdav/luasrc/view/aliyundrive-webdav/aliyundrive-webdav_status.htm
@@ -11,11 +11,26 @@
 		}
 	}
 );
+
+function invalidateCache(button) {
+	XHR.get('<%=url([[admin]], [[services]], [[aliyundrive-webdav]], [[invalidate-cache]])%>', null,
+		function(x, data) {
+			if (data.ok) {
+				alert("缓存已清除.");
+			} else {
+				alert("清除缓存失败!");
+			}
+		}
+	);
+}
 //]]>
 </script>
 <style>.mar-10 {margin-left: 50px; margin-right: 10px;}</style>
 <fieldset class="cbi-section">
-	<p id="aliyundrive-webdav_status">
+	<p id="aliyundrive-webdav_status" style="float: left; width: 60%; margin-top: 12px;">
 		<em><%:Collecting data...%></em>
 	</p>
+	<p class="right" style="float: right; width: 40%;">
+		<button class="cbi-button" onclick="event.stopPropagation(); invalidateCache(this);"><%:Invalidate cache%></button>
+	</p>
 </fieldset>
diff --git a/openwrt/luci-app-aliyundrive-webdav/po/zh-cn/aliyundrive-webdav.po b/openwrt/luci-app-aliyundrive-webdav/po/zh-cn/aliyundrive-webdav.po
index de950faa98..ecce6467af 100644
--- a/openwrt/luci-app-aliyundrive-webdav/po/zh-cn/aliyundrive-webdav.po
+++ b/openwrt/luci-app-aliyundrive-webdav/po/zh-cn/aliyundrive-webdav.po
@@ -49,6 +49,9 @@ msgstr "目录缓存过期时间（单位为秒）"
 msgid "Collecting data..."
 msgstr "获取数据中..."
 
+msgid "Invalidate cache"
+msgstr "清除缓存"
+
 msgid "RUNNING"
 msgstr "运行中"