diff --git a/pkg/a2r/api2rpc.go b/pkg/a2r/api2rpc.go
index 4cfa3ee4c..50d5b2ac3 100644
--- a/pkg/a2r/api2rpc.go
+++ b/pkg/a2r/api2rpc.go
@@ -22,12 +22,9 @@ func Call[A, B, C any](
 		apiresp.GinError(c, errs.ErrArgs.WithDetail(err.Error()).Wrap()) // 参数错误
 		return
 	}
-	if check, ok := any(&req).(checker.Checker); ok {
-		if err := check.Check(); err != nil {
-			log.ZWarn(c, "custom check error", err, "req", req)
-			apiresp.GinError(c, errs.ErrArgs.Wrap(err.Error())) // 参数校验失败
-			return
-		}
+	if err := checker.Validate(&req); err != nil {
+		apiresp.GinError(c, errs.ErrArgs.Wrap(err.Error())) // 参数校验失败
+		return
 	}
 	data, err := rpc(client, c, &req)
 	if err != nil {
diff --git a/pkg/checker/check.go b/pkg/checker/check.go
index f59986ec7..f5913682d 100644
--- a/pkg/checker/check.go
+++ b/pkg/checker/check.go
@@ -3,3 +3,12 @@ package checker
 type Checker interface {
 	Check() error
 }
+
+func Validate(args any) error {
+	if checker, ok := args.(Checker); ok {
+		if err := checker.Check(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/pkg/common/mw/rpc_server_interceptor.go b/pkg/common/mw/rpc_server_interceptor.go
index 933ab88f1..518b5f0a2 100644
--- a/pkg/common/mw/rpc_server_interceptor.go
+++ b/pkg/common/mw/rpc_server_interceptor.go
@@ -92,13 +92,13 @@ func RpcServerInterceptor(ctx context.Context, req interface{}, info *grpc.Unary
 			return nil, status.New(codes.InvalidArgument, err.Error()).Err()
 		}
 	}
-	if err := req.(checker.Checker); err != nil {
-		if err := err.Check(); err != nil {
-			return nil, status.New(codes.InvalidArgument, err.Error()).Err()
-		}
-	}
 	log.ZInfo(ctx, "rpc server req", "funcName", funcName, "req", rpcString(req))
-	resp, err = handler(ctx, req)
+	resp, err = func() (interface{}, error) {
+		if err := checker.Validate(req); err != nil {
+			return nil, err
+		}
+		return handler(ctx, req)
+	}()
 	if err == nil {
 		log.ZInfo(ctx, "rpc server resp", "funcName", funcName, "resp", rpcString(resp))
 		return resp, nil