diff --git a/script/main.lua b/script/main.lua
index ca909d6..72ec711 100644
--- a/script/main.lua
+++ b/script/main.lua
@@ -54,7 +54,9 @@ gpio.setup(
     gpio.PULLUP
 )
 
+-- 加载模块
 config = require "config"
+util_http = require "util_http"
 util_netled = require "util_netled"
 util_mobile = require "util_mobile"
 util_location = require "util_location"
diff --git a/script/util_http.lua b/script/util_http.lua
new file mode 100644
index 0000000..8fa01fd
--- /dev/null
+++ b/script/util_http.lua
@@ -0,0 +1,47 @@
+local util_http = {}
+
+-- 用于生成 http 请求的 id
+local http_count = 0
+-- 记录正在运行的 http 请求数量
+local http_running_count = 0
+
+--- 对 http.request 的封装
+-- @param timeout 超时时间(单位: 毫秒)
+-- @param method 请求方法
+-- @param url 请求地址
+-- @param headers 请求头
+-- @param body 请求体
+function util_http.fetch(timeout, method, url, headers, body)
+    timeout = timeout or 1000 * 25
+    local opts = {timeout = timeout}
+
+    http_count = http_count + 1
+    http_running_count = http_running_count + 1
+
+    local id = "http_" .. http_count
+    local res_code, res_headers, res_body = -99, {}, ""
+
+    util_netled.blink(50, 50)
+
+    sys.taskInit(
+        function()
+            log.debug("util_http.fetch", "开始请求", "id:", id)
+            res_code, res_headers, res_body = http.request(method, url, headers, body, opts).wait()
+            log.debug("util_http.fetch", "请求结束", "id:", id, "code:", res_code)
+            sys.publish(id)
+        end
+    )
+    local result = sys.waitUntil(id, timeout + 1000 * 25)
+    if not result or res_code == -8 then
+        log.warn("util_http.fetch", "请求超时", "id:", id)
+    end
+
+    http_running_count = http_running_count - 1
+    if http_running_count == 0 then
+        util_netled.blink()
+    end
+
+    return res_code, res_headers, res_body
+end
+
+return util_http
diff --git a/script/util_notify.lua b/script/util_notify.lua
index 2a676f3..7e71dea 100644
--- a/script/util_notify.lua
+++ b/script/util_notify.lua
@@ -25,7 +25,7 @@ local function notifyToTelegram(msg)
     }
 
     log.info("util_notify.notifyToTelegram", "POST", config.TELEGRAM_PROXY_API)
-    return http.request("POST", config.TELEGRAM_PROXY_API, header, msg).wait()
+    return util_http.fetch(nil, "POST", config.TELEGRAM_PROXY_API, header, msg)
 end
 
 -- 发送到 pushdeer
@@ -49,7 +49,7 @@ local function notifyToPushDeer(msg)
     }
 
     log.info("util_notify.notifyToPushDeer", "POST", config.PUSHDEER_API)
-    return http.request("POST", config.PUSHDEER_API, header, urlencodeTab(body)).wait()
+    return util_http.fetch(nil, "POST", config.PUSHDEER_API, header, urlencodeTab(body))
 end
 
 -- 发送到 bark
@@ -72,7 +72,7 @@ local function notifyToBark(msg)
     local url = config.BARK_API .. "/" .. config.BARK_KEY
 
     log.info("util_notify.notifyToBark", "POST", url)
-    return http.request("POST", url, header, urlencodeTab(body)).wait()
+    return util_http.fetch(nil, "POST", url, header, urlencodeTab(body))
 end
 
 -- 发送到 dingtalk
@@ -96,7 +96,7 @@ local function notifyToDingTalk(msg)
     json_data = string.gsub(json_data, "\\b", "\\n")
 
     log.info("util_notify.notifyToDingTalk", "POST", config.DINGTALK_WEBHOOK, json_data)
-    return http.request("POST", config.DINGTALK_WEBHOOK, header, json_data).wait()
+    return util_http.fetch(nil, "POST", config.DINGTALK_WEBHOOK, header, json_data)
 end
 
 -- 发送到 feishu
@@ -120,7 +120,7 @@ local function notifyToFeishu(msg)
     json_data = string.gsub(json_data, "\\b", "\\n")
 
     log.info("util_notify.notifyToFeishu", "POST", config.FEISHU_WEBHOOK, json_data)
-    return http.request("POST", config.FEISHU_WEBHOOK, header, json_data).wait()
+    return util_http.fetch(nil, "POST", config.FEISHU_WEBHOOK, header, json_data)
 end
 
 -- 发送到 wecom
@@ -144,7 +144,7 @@ local function notifyToWeCom(msg)
     json_data = string.gsub(json_data, "\\b", "\\n")
 
     log.info("util_notify.notifyToWeCom", "POST", config.WECOM_WEBHOOK, json_data)
-    return http.request("POST", config.WECOM_WEBHOOK, header, json_data).wait()
+    return util_http.fetch(nil, "POST", config.WECOM_WEBHOOK, header, json_data)
 end
 
 -- 发送到 next-smtp-proxy
@@ -189,7 +189,7 @@ local function notifyToNextSmtpProxy(msg)
     }
 
     log.info("util_notify.notifyToNextSmtpProxy", "POST", config.NEXT_SMTP_PROXY_API, urlencodeTab(body))
-    return http.request("POST", config.NEXT_SMTP_PROXY_API, header, urlencodeTab(body)).wait()
+    return util_http.fetch(nil, "POST", config.NEXT_SMTP_PROXY_API, header, urlencodeTab(body))
 end
 
 function util_notify.send(msg)