diff --git a/client/middle/middle.go b/client/middle/middle.go
index f5a1915..69f3ba4 100644
--- a/client/middle/middle.go
+++ b/client/middle/middle.go
@@ -18,10 +18,19 @@ func WithUnaryColonyClient(ctx context.Context, method string, req, reply interf
 	if header == nil {
 		return nil
 	}
+	// meta 解析会出现 全部小写问题
 	header[proto.BaseKeyMethodKey] = key.GetKey().Key
 	return nil
 }
 
+func getKeyByKeyMapvalue(m map[string]string) []string {
+	l := make([]string, 0)
+	for key, value := range m {
+		l = append(l, key, value)
+	}
+	return l
+}
+
 func GetUnaryInterceptor(middleOpts ...ClientMiddle) grpc.UnaryClientInterceptor {
 	return func(ctx context.Context, method string, req, reply interface{},
 		cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
@@ -34,10 +43,11 @@ func GetUnaryInterceptor(middleOpts ...ClientMiddle) grpc.UnaryClientInterceptor
 			}
 		}
 
-		for key, value := range header {
-			ctx = metadata.AppendToOutgoingContext(ctx, key, value)
-		}
+		lm := getKeyByKeyMapvalue(header)
 
-		return invoker(ctx, method, req, reply, cc, opts...)
+		headerData := metadata.Pairs(lm...)
+		ctxH := metadata.NewOutgoingContext(ctx, headerData)
+
+		return invoker(ctxH, method, req, reply, cc, opts...)
 	}
 }
diff --git a/gateway/proxy/director.go b/gateway/proxy/director.go
index 19d546b..d610c13 100644
--- a/gateway/proxy/director.go
+++ b/gateway/proxy/director.go
@@ -26,7 +26,7 @@ func GetDirectorByServiceHash() StreamDirector {
 				"grpc header is not found %s, please check the client interceptor", proto.BaseKeyMethodKey)
 		}
 
-		logx.Infoln(baseKey)
+		logx.Infoln(baseKey[0])
 
 		// TODO hash, mock 直接转发到 storage dev 上
 		cli, err := grpc.DialContext(ctx, "127.0.0.1:5890", grpc.WithInsecure(), grpc.WithDefaultCallOptions(grpc.ForceCodec(codec.Codec())))
diff --git a/pkg/proto/define.go b/pkg/proto/define.go
index a82e599..e333d8b 100644
--- a/pkg/proto/define.go
+++ b/pkg/proto/define.go
@@ -5,5 +5,5 @@ type GetKeyBaseInterface interface {
 }
 
 const (
-	BaseKeyMethodKey = "BaseKey"
+	BaseKeyMethodKey = "basekey"
 )