diff --git a/class/core/cert_api.py b/class/core/cert_api.py
index 248a9ce7b..5e434f9e9 100644
--- a/class/core/cert_api.py
+++ b/class/core/cert_api.py
@@ -562,7 +562,7 @@ class cert_api:
 
     # 请求到ACME接口
     def acmeRequest(self, url, payload):
-        time.sleep(1)
+        time.sleep(3)
         headers = {"User-Agent": self.__user_agent}
         payload = self.stringfyItems(payload)