diff --git a/luci-app-passwall/root/usr/share/passwall/subscribe.lua b/luci-app-passwall/root/usr/share/passwall/subscribe.lua
index 736c3e968..b1f8aca1f 100755
--- a/luci-app-passwall/root/usr/share/passwall/subscribe.lua
+++ b/luci-app-passwall/root/usr/share/passwall/subscribe.lua
@@ -1303,19 +1303,21 @@ local function processData(szType, content, add_mode, add_from)
 end
 
 local function curl(url, file, ua, mode)
-	local curl_args = api.clone(api.curl_args)
+	local curl_args = {
+		"-skL", "-w %{http_code}", "--retry 3", "--connect-timeout 3"
+	}
 	if ua and ua ~= "" and ua ~= "curl" then
-		table.insert(curl_args, '--user-agent "' .. ua .. '"')
+		curl_args[#curl_args + 1] = '--user-agent "' .. ua .. '"'
 	end
-	local return_code
+	local return_code, result
 	if mode == "direct" then
-		return_code = api.curl_direct(url, file, curl_args)
+		return_code, result = api.curl_direct(url, file, curl_args)
 	elseif mode == "proxy" then
-		return_code = api.curl_proxy(url, file, curl_args)
+		return_code, result = api.curl_proxy(url, file, curl_args)
 	else
-		return_code = api.curl_auto(url, file, curl_args)
+		return_code, result = api.curl_auto(url, file, curl_args)
 	end
-	return return_code
+	return tonumber(result)
 end
 
 local function truncate_nodes(add_from)
@@ -1714,34 +1716,23 @@ local execute = function()
 			local result = (not access_mode) and "自动" or (access_mode == "direct" and "直连访问" or (access_mode == "proxy" and "通过代理" or "自动"))
 			log('正在订阅:【' .. remark .. '】' .. url .. ' [' .. result .. ']')
 			local tmp_file = "/tmp/" .. cfgid
-			local raw = curl(url, tmp_file, ua, access_mode)
-			if raw ~= 0 then
+			value.http_code = curl(url, tmp_file, ua, access_mode)
+			if value.http_code ~= 200 then
 				fail_list[#fail_list + 1] = value
 			else
 				if luci.sys.call("[ -f " .. tmp_file .. " ] && sed -i -e '/^[ \t]*$/d' -e '/^[ \t]*\r$/d' " .. tmp_file) == 0 then
 					local f = io.open(tmp_file, "r")
-					local count = 0
-					for _ in f:lines() do
-						count = count + 1
-					end
-					if count == 1 then
-						f:seek("set")
-						local stdout = f:read("*all")
-						f:close()
-						local raw_data = trim(stdout)
-						local old_md5 = value.md5 or ""
-						local new_md5 = luci.sys.exec("md5sum " .. tmp_file .. " 2>/dev/null | awk '{print $1}'"):gsub("\n", "")
-						os.remove(tmp_file)
-						if old_md5 == new_md5 then
-							log('订阅:【' .. remark .. '】没有变化，无需更新。')
-						else
-							parse_link(raw_data, "2", remark, cfgid)
-							uci:set(appname, cfgid, "md5", new_md5)
-						end
+					local stdout = f:read("*all")
+					f:close()
+					local raw_data = trim(stdout)
+					local old_md5 = value.md5 or ""
+					local new_md5 = luci.sys.exec("md5sum " .. tmp_file .. " 2>/dev/null | awk '{print $1}'"):gsub("\n", "")
+					os.remove(tmp_file)
+					if old_md5 == new_md5 then
+						log('订阅:【' .. remark .. '】没有变化，无需更新。')
 					else
-						f:close()
-						os.remove(tmp_file)
-						fail_list[#fail_list + 1] = value
+						parse_link(raw_data, "2", remark, cfgid)
+						uci:set(appname, cfgid, "md5", new_md5)
 					end
 				else
 					fail_list[#fail_list + 1] = value
@@ -1760,7 +1751,7 @@ local execute = function()
 
 		if #fail_list > 0 then
 			for index, value in ipairs(fail_list) do
-				log(string.format('【%s】订阅失败，可能是订阅地址无效，或是网络问题，请诊断！', value.remark))
+				log(string.format('【%s】订阅失败，可能是订阅地址无效，或是网络问题，请诊断！[%s]', value.remark, tostring(value.http_code)))
 			end
 		end
 		update_node(0)