diff --git a/src/admin/templets/index_body.htm b/src/admin/templets/index_body.htm
index 95c94137..56538101 100644
--- a/src/admin/templets/index_body.htm
+++ b/src/admin/templets/index_body.htm
@@ -177,6 +177,10 @@
 								<button id="btnGoStep4" type="button" class="btn btn-success btn-sm">下载</button>
 							</div>
 							<div id="btnStep5" class="btnStep">
+								<div class="form-check form-check-inline">
+									<input class="form-check-input" type="checkbox" id="chkUpdate" name="chkUpdate" value="true">
+									<label class="form-check-label" for="chkUpdate">自动检查更新</label>
+								</div>
 								<button id="btnOK" type="button" class="btn btn-success btn-sm" data-dismiss="modal">完成</button>
 							</div>
 						</div>
diff --git a/src/static/web/js/admin.update.js b/src/static/web/js/admin.update.js
index f0b8ca09..fd4497e4 100644
--- a/src/static/web/js/admin.update.js
+++ b/src/static/web/js/admin.update.js
@@ -126,5 +126,23 @@ $(document).ready(function() {
 	$("#btnOK").click(function() {
 		hasNewVersion();
 	});
-	hasNewVersion();
+	let shouldCheckUpdate = GetCookie('checkUpdate');
+	if (shouldCheckUpdate === null) {
+		SetCookie('checkUpdate', 'true', 30);
+		shouldCheckUpdate = 'true';
+	}
+	if (shouldCheckUpdate === 'true') {
+		hasNewVersion();
+		$('#chkUpdate').prop('checked', true);
+	} else {
+		$('#chkUpdate').prop('checked', false);
+	}
+	// 模态框关闭时根据复选框状态设置 cookie
+	$('#mdlUpdate').on('hidden.bs.modal', function () {
+		if ($('#chkUpdate').is(':checked')) {
+			SetCookie('checkUpdate', 'true', 30);
+		} else {
+			SetCookie('checkUpdate', 'false', 30);
+		}
+	});
 });
\ No newline at end of file
diff --git a/src/system/libraries/dedehttpdown.class.php b/src/system/libraries/dedehttpdown.class.php
index f2307505..45653805 100755
--- a/src/system/libraries/dedehttpdown.class.php
+++ b/src/system/libraries/dedehttpdown.class.php
@@ -361,8 +361,8 @@ class DedeHttpDown
             if (count($headers) > 0) {
                 curl_setopt($this->m_ch, CURLOPT_HTTPHEADER, $headers);
             }
-            curl_setopt($this->m_ch, CURLOPT_CONNECTTIMEOUT, 20);
-            curl_setopt($this->m_ch, CURLOPT_TIMEOUT, 900);
+            curl_setopt($this->m_ch, CURLOPT_CONNECTTIMEOUT, 7);
+            curl_setopt($this->m_ch, CURLOPT_TIMEOUT, 10);
             $this->m_html = curl_exec($this->m_ch);
             $status = curl_getinfo($this->m_ch);
             if (count($status) > 0) {