diff --git a/chain/clientchian.go b/chain/clientchain.go
similarity index 81%
rename from chain/clientchian.go
rename to chain/clientchain.go
index 0a970d0..a951ccd 100644
--- a/chain/clientchian.go
+++ b/chain/clientchain.go
@@ -34,12 +34,23 @@ func ClientContextInvokerChain(ctx context.Context, method string, req, res inte
 	return invoker(ctx, method, req, nil, cc, opts...)
 }
 
+/**
+ * Context Unary Interceptor
+ * @param  void
+ * @author  dc.To
+ * @version 20250425
+ */
+func ClientContextUnaryChain(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+
+	return handler(ctx, req)
+}
+
 /**
  * Metadata Unary Interceptor
  * @author  dc.To
  * @version 20250418
  */
-func ClientMetadataUnaryChian(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+func ClientMetadataUnaryChain(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
 	md, ok := metadata.FromIncomingContext(ctx)
 	if ok {
 		for k, v := range md {