diff --git a/lua/app/module/mail/mail_manager.lua b/lua/app/module/mail/mail_manager.lua
index 3e224a40..b36a7f6a 100644
--- a/lua/app/module/mail/mail_manager.lua
+++ b/lua/app/module/mail/mail_manager.lua
@@ -10,10 +10,20 @@ function MailManager:getMailList(force)
         return
     end
 
+    if self.needUpdateMailSid then
+        self:unscheduleGlobal(self.needUpdateMailSid)
+        self.needUpdateMailSid = nil
+    end
+
     self:sendMessage(ProtoMsgType.FromMsgEnum.MailListReq, {}, {}, self.getMailListFinish)
 end
 
 function MailManager:getMailListFinish(result)
+    if self.needUpdateMailSid then
+        self:unscheduleGlobal(self.needUpdateMailSid)
+        self.needUpdateMailSid = nil
+    end
+
     if result.status == 0 then
         DataManager.MailData:init(result)
     end
@@ -128,8 +138,18 @@ function MailManager:readMailFinish(result)
 end
 
 function MailManager:needUpdateMail()
-    -- 收到推送后不一定是有新邮件，要去拉一下
-    self:getMailList(true)
+    if DataManager.MailData:getNeedGetNewMail() then
+        return
+    end
+
+    -- 收到推送后不一定是有新邮件，要去拉一下, 延迟是为了减轻服务器压力
+    if self.needUpdateMailSid then
+        self:unscheduleGlobal(self.needUpdateMailSid)
+        self.needUpdateMailSid = nil
+    end
+    self.needUpdateMailSid = self:performWithDelayGlobal(function()
+        self:getMailList(true)
+    end, math.random(1, 5))
 end
 
 return MailManager
\ No newline at end of file