diff --git a/a2r/api2rpc.go b/a2r/api2rpc.go
index 218bc04..11f264c 100644
--- a/a2r/api2rpc.go
+++ b/a2r/api2rpc.go
@@ -35,7 +35,7 @@ type Option[A, B any] struct {
 	RespAfter func(*B) error
 }
 
-func Call[A, B, C any](rpc func(client C, ctx context.Context, req *A, options ...grpc.CallOption) (*B, error), client C, c *gin.Context, opts ...*Option[A, B]) {
+func Call[A, B, C any](c *gin.Context, rpc func(client C, ctx context.Context, req *A, options ...grpc.CallOption) (*B, error), client C, opts ...*Option[A, B]) {
 	req, err := ParseRequestNotCheck[A](c)
 	if err != nil {
 		apiresp.GinError(c, err)
diff --git a/a2r/call_v2.go b/a2r/call_v2.go
deleted file mode 100644
index 193eae7..0000000
--- a/a2r/call_v2.go
+++ /dev/null
@@ -1,46 +0,0 @@
-package a2r
-
-import (
-	"context"
-
-	"github.com/gin-gonic/gin"
-	"github.com/openimsdk/tools/apiresp"
-	"github.com/openimsdk/tools/checker"
-	"google.golang.org/grpc"
-)
-
-func CallV2[A, B any](c *gin.Context, rpc func(ctx context.Context, req *A, options ...grpc.CallOption) (*B, error), opts ...*Option[A, B]) {
-	req, err := ParseRequestNotCheck[A](c)
-	if err != nil {
-		apiresp.GinError(c, err)
-		return
-	}
-	for _, opt := range opts {
-		if opt.BindAfter == nil {
-			continue
-		}
-		if err := opt.BindAfter(req); err != nil {
-			apiresp.GinError(c, err) // args option error
-			return
-		}
-	}
-	if err := checker.Validate(req); err != nil {
-		apiresp.GinError(c, err) // args option error
-		return
-	}
-	resp, err := rpc(c, req)
-	if err != nil {
-		apiresp.GinError(c, err) // rpc call failed
-		return
-	}
-	for _, opt := range opts {
-		if opt.RespAfter == nil {
-			continue
-		}
-		if err := opt.RespAfter(resp); err != nil {
-			apiresp.GinError(c, err) // resp option error
-			return
-		}
-	}
-	apiresp.GinSuccess(c, resp) // rpc call success
-}
diff --git a/a2r/option.go b/a2r/option.go
index fa83cd7..4075c97 100644
--- a/a2r/option.go
+++ b/a2r/option.go
@@ -17,5 +17,3 @@ func respNilReplace[T any](data *T) error {
 	mw.ReplaceNil(data)
 	return nil
 }
-
-// ------------------------------------------------------------------------------------------------------------------