diff --git a/src/tencent_cos.cpp b/src/tencent_cos.cpp
index e6ff1c7..b322805 100644
--- a/src/tencent_cos.cpp
+++ b/src/tencent_cos.cpp
@@ -141,7 +141,8 @@ void module::tencent_cos::regist(sol::state* lua)
 {
     lua->new_usertype<module::tencent_cos>("fw_tencent_cos",
         "new", sol::constructors<module::tencent_cos()>(),
-        "upfile", &module::tencent_cos::upfile
+        "upfile", &module::tencent_cos::upfile,
+        "del", &module::tencent_cos::del
     );
 }
 
diff --git a/target/tencent_cos.lua b/target/tencent_cos.lua
index 6ed459f..7698a67 100644
--- a/target/tencent_cos.lua
+++ b/target/tencent_cos.lua
@@ -20,6 +20,9 @@ end
 function tencent_cos:upfile(appid,endpoint,access_key_id, access_key_secret,bucket_name,object_name,filename)
     return self.module:upfile(appid,endpoint,access_key_id, access_key_secret,bucket_name,object_name,filename)
 end
+function tencent_cos:del(appid,endpoint,access_key_id, access_key_secret,bucket_name,object_name)
+    return self.module:del(appid,endpoint,access_key_id, access_key_secret,bucket_name,object_name)
+end
 function tencent_cos:self()
     return self.module:self()
 end