diff --git a/chain/clientchain.go b/chain/clientchain.go
index d0dba45..5322d56 100644
--- a/chain/clientchain.go
+++ b/chain/clientchain.go
@@ -18,8 +18,6 @@ import (
  * @version 20250409
  */
 func ClientTimeoutInvokerChain(ctx context.Context, method string, req, res interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
-	ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
-	defer cancel()
 	return invoker(ctx, method, req, res, cc, opts...)
 }