diff --git a/common/extension/filter.go b/common/extension/filter.go
index 93f7f8cf7ccc4108fe1120b685fad36a2f9f83df..0b5c4b40aa78f7ea489a306f4a52efbb07243b41 100644
--- a/common/extension/filter.go
+++ b/common/extension/filter.go
@@ -19,12 +19,11 @@ package extension
 
 import (
 	"github.com/apache/dubbo-go/filter"
-	"github.com/apache/dubbo-go/filter/common"
 )
 
 var (
 	filters                  = make(map[string]func() filter.Filter)
-	rejectedExecutionHandler = make(map[string]func() common.RejectedExecutionHandler)
+	rejectedExecutionHandler = make(map[string]func() filter.RejectedExecutionHandler)
 )
 
 func SetFilter(name string, v func() filter.Filter) {
@@ -38,11 +37,11 @@ func GetFilter(name string) filter.Filter {
 	return filters[name]()
 }
 
-func SetRejectedExecutionHandler(name string, creator func() common.RejectedExecutionHandler) {
+func SetRejectedExecutionHandler(name string, creator func() filter.RejectedExecutionHandler) {
 	rejectedExecutionHandler[name] = creator
 }
 
-func GetRejectedExecutionHandler(name string) common.RejectedExecutionHandler {
+func GetRejectedExecutionHandler(name string) filter.RejectedExecutionHandler {
 	creator, ok := rejectedExecutionHandler[name]
 	if !ok {
 		panic("RejectedExecutionHandler for " + name + " is not existing, make sure you have import the package " +
diff --git a/common/extension/tps_limit.go b/common/extension/tps_limit.go
index 151c33ad5e64ffa4059489e2cbcfae6f2e823328..8c131fafa3159047d25b43ae0a57d674418a2170 100644
--- a/common/extension/tps_limit.go
+++ b/common/extension/tps_limit.go
@@ -18,19 +18,19 @@
 package extension
 
 import (
-	"github.com/apache/dubbo-go/filter/impl/tps"
+	"github.com/apache/dubbo-go/filter"
 )
 
 var (
-	tpsLimitStrategy = make(map[string]tps.TpsLimitStrategyCreator)
-	tpsLimiter       = make(map[string]func() tps.TpsLimiter)
+	tpsLimitStrategy = make(map[string]filter.TpsLimitStrategyCreator)
+	tpsLimiter       = make(map[string]func() filter.TpsLimiter)
 )
 
-func SetTpsLimiter(name string, creator func() tps.TpsLimiter) {
+func SetTpsLimiter(name string, creator func() filter.TpsLimiter) {
 	tpsLimiter[name] = creator
 }
 
-func GetTpsLimiter(name string) tps.TpsLimiter {
+func GetTpsLimiter(name string) filter.TpsLimiter {
 	creator, ok := tpsLimiter[name]
 	if !ok {
 		panic("TpsLimiter for " + name + " is not existing, make sure you have import the package " +
@@ -39,11 +39,11 @@ func GetTpsLimiter(name string) tps.TpsLimiter {
 	return creator()
 }
 
-func SetTpsLimitStrategy(name string, creator tps.TpsLimitStrategyCreator) {
+func SetTpsLimitStrategy(name string, creator filter.TpsLimitStrategyCreator) {
 	tpsLimitStrategy[name] = creator
 }
 
-func GetTpsLimitStrategyCreator(name string) tps.TpsLimitStrategyCreator {
+func GetTpsLimitStrategyCreator(name string) filter.TpsLimitStrategyCreator {
 	creator, ok := tpsLimitStrategy[name]
 	if !ok {
 		panic("TpsLimitStrategy for " + name + " is not existing, make sure you have import the package " +
diff --git a/filter/common/impl/rejected_execution_handler_mock.go b/filter/common/rejected_execution_handler_mock.go
similarity index 99%
rename from filter/common/impl/rejected_execution_handler_mock.go
rename to filter/common/rejected_execution_handler_mock.go
index dace1894668d3a4a154a87bfbdbcc860a97a11ec..a5631af9f7600cae772437877b1ac9139655cc5f 100644
--- a/filter/common/impl/rejected_execution_handler_mock.go
+++ b/filter/common/rejected_execution_handler_mock.go
@@ -18,7 +18,7 @@
 // Source: rejected_execution_handler.go
 
 // Package filter is a generated GoMock package.
-package impl
+package common
 
 import (
 	reflect "reflect"
diff --git a/filter/common/impl/rejected_execution_handler_only_log.go b/filter/common/rejected_execution_handler_only_log.go
similarity index 93%
rename from filter/common/impl/rejected_execution_handler_only_log.go
rename to filter/common/rejected_execution_handler_only_log.go
index 8943433af1ba908fc834740163df78e3b2b6443a..65abe677f129fa2fbe412c7e3ea2b23de2f1ade6 100644
--- a/filter/common/impl/rejected_execution_handler_only_log.go
+++ b/filter/common/rejected_execution_handler_only_log.go
@@ -15,9 +15,10 @@
  * limitations under the License.
  */
 
-package impl
+package common
 
 import (
+	"github.com/apache/dubbo-go/filter"
 	"sync"
 )
 
@@ -26,7 +27,6 @@ import (
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
 	"github.com/apache/dubbo-go/common/logger"
-	filterCommon "github.com/apache/dubbo-go/filter/common"
 	"github.com/apache/dubbo-go/protocol"
 )
 
@@ -61,7 +61,7 @@ func (handler *OnlyLogRejectedExecutionHandler) RejectedExecution(url common.URL
 	return &protocol.RPCResult{}
 }
 
-func GetOnlyLogRejectedExecutionHandler() filterCommon.RejectedExecutionHandler {
+func GetOnlyLogRejectedExecutionHandler() filter.RejectedExecutionHandler {
 	onlyLogHandlerOnce.Do(func() {
 		onlyLogHandlerInstance = &OnlyLogRejectedExecutionHandler{}
 	})
diff --git a/filter/common/impl/rejected_execution_handler_only_log_test.go b/filter/common/rejected_execution_handler_only_log_test.go
similarity index 98%
rename from filter/common/impl/rejected_execution_handler_only_log_test.go
rename to filter/common/rejected_execution_handler_only_log_test.go
index da54d8a106338dd4f21f9b01e66b031e3c311e01..0efc3d813771577d38fd5e7989255fc097b49a08 100644
--- a/filter/common/impl/rejected_execution_handler_only_log_test.go
+++ b/filter/common/rejected_execution_handler_only_log_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package common
 
 import (
 	"net/url"
diff --git a/filter/impl/access_log_filter.go b/filter/filter/access_log_filter.go
similarity index 99%
rename from filter/impl/access_log_filter.go
rename to filter/filter/access_log_filter.go
index 89fa34952f99057f1d8bb35794a57f9905f5f169..cce2c5050fcbc60bc45b7bc2751685a8d9677b76 100644
--- a/filter/impl/access_log_filter.go
+++ b/filter/filter/access_log_filter.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"os"
diff --git a/filter/impl/access_log_filter_test.go b/filter/filter/access_log_filter_test.go
similarity index 99%
rename from filter/impl/access_log_filter_test.go
rename to filter/filter/access_log_filter_test.go
index 834d531f05f952c41abfe8e1c56c20c0285926b8..2c17021a9f17d3d99c48e5763087c0b03b490b93 100644
--- a/filter/impl/access_log_filter_test.go
+++ b/filter/filter/access_log_filter_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"context"
diff --git a/filter/impl/active_filter.go b/filter/filter/active_filter.go
similarity index 99%
rename from filter/impl/active_filter.go
rename to filter/filter/active_filter.go
index 36a4e1a767ab7170ce8e5bebf2cfa4403f6ad4ff..e0f73c2b2facd53b23e491be2e5b123b5d33087d 100644
--- a/filter/impl/active_filter.go
+++ b/filter/filter/active_filter.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"github.com/apache/dubbo-go/common/extension"
diff --git a/filter/impl/echo_filter.go b/filter/filter/echo_filter.go
similarity index 99%
rename from filter/impl/echo_filter.go
rename to filter/filter/echo_filter.go
index 18e42c8cb2b15acb27573c5e24f11a8b69e0d496..1515c0a99c77d7a4d9af93e141cbed9b529158d7 100644
--- a/filter/impl/echo_filter.go
+++ b/filter/filter/echo_filter.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"github.com/apache/dubbo-go/common/constant"
diff --git a/filter/impl/echo_filter_test.go b/filter/filter/echo_filter_test.go
similarity index 98%
rename from filter/impl/echo_filter_test.go
rename to filter/filter/echo_filter_test.go
index e2e592974701ad18c5b01e884485c022ee2320b8..d57d54329f52955d283366f6edc1376a1a474bde 100644
--- a/filter/impl/echo_filter_test.go
+++ b/filter/filter/echo_filter_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"testing"
diff --git a/filter/impl/execute_limit_filter.go b/filter/filter/execute_limit_filter.go
similarity index 98%
rename from filter/impl/execute_limit_filter.go
rename to filter/filter/execute_limit_filter.go
index 156af1b140283dd76c4867ca26e9b42ce8eb25c0..4b5ea7491c19a726f1d90b7588ac5a480cd38590 100644
--- a/filter/impl/execute_limit_filter.go
+++ b/filter/filter/execute_limit_filter.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"strconv"
@@ -32,7 +32,7 @@ import (
 	"github.com/apache/dubbo-go/common/extension"
 	"github.com/apache/dubbo-go/common/logger"
 	"github.com/apache/dubbo-go/filter"
-	_ "github.com/apache/dubbo-go/filter/common/impl"
+	_ "github.com/apache/dubbo-go/filter/common"
 	"github.com/apache/dubbo-go/protocol"
 )
 
diff --git a/filter/impl/execute_limit_filter_test.go b/filter/filter/execute_limit_filter_test.go
similarity index 99%
rename from filter/impl/execute_limit_filter_test.go
rename to filter/filter/execute_limit_filter_test.go
index 5d729c0e6a1205902856eccfa6aa96b0bee0e790..326b13677b157fbba2495caf5699c246d0d62879 100644
--- a/filter/impl/execute_limit_filter_test.go
+++ b/filter/filter/execute_limit_filter_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"net/url"
diff --git a/filter/impl/generic_filter.go b/filter/filter/generic_filter.go
similarity index 99%
rename from filter/impl/generic_filter.go
rename to filter/filter/generic_filter.go
index 35aadb11a444bda56109e238b17267f71ec2606b..f15449520d4a3d69a89cec2ce195114934e14211 100644
--- a/filter/impl/generic_filter.go
+++ b/filter/filter/generic_filter.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"reflect"
diff --git a/filter/impl/generic_filter_test.go b/filter/filter/generic_filter_test.go
similarity index 99%
rename from filter/impl/generic_filter_test.go
rename to filter/filter/generic_filter_test.go
index 9797c40df1f57017241675013620a53320e475ad..d5298adbd404d7a525bf66ef248cf54b525a6647 100644
--- a/filter/impl/generic_filter_test.go
+++ b/filter/filter/generic_filter_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"reflect"
diff --git a/filter/impl/generic_service_filter.go b/filter/filter/generic_service_filter.go
similarity index 99%
rename from filter/impl/generic_service_filter.go
rename to filter/filter/generic_service_filter.go
index 2fde925d66a89a5f8bbf208d2f72362d2cbeab89..514a51f0b0f4c5d16109b97f74d1095e1842f658 100644
--- a/filter/impl/generic_service_filter.go
+++ b/filter/filter/generic_service_filter.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"reflect"
diff --git a/filter/impl/generic_service_filter_test.go b/filter/filter/generic_service_filter_test.go
similarity index 99%
rename from filter/impl/generic_service_filter_test.go
rename to filter/filter/generic_service_filter_test.go
index 89898694c267ad5a84814651b16d3ff9bcfc871a..599a6a66d07ee0ed95545680ccb195f1a2fdeb68 100644
--- a/filter/impl/generic_service_filter_test.go
+++ b/filter/filter/generic_service_filter_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"context"
diff --git a/filter/impl/graceful_shutdown_filter.go b/filter/filter/graceful_shutdown_filter.go
similarity index 95%
rename from filter/impl/graceful_shutdown_filter.go
rename to filter/filter/graceful_shutdown_filter.go
index b912ea88e4ba4741b7d7fe36b8bbd3ba158abe63..c682c7ef79deef2e66178cf1c43ec87992e960dc 100644
--- a/filter/impl/graceful_shutdown_filter.go
+++ b/filter/filter/graceful_shutdown_filter.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"sync/atomic"
@@ -27,7 +27,6 @@ import (
 	"github.com/apache/dubbo-go/common/logger"
 	"github.com/apache/dubbo-go/config"
 	"github.com/apache/dubbo-go/filter"
-	"github.com/apache/dubbo-go/filter/common"
 	"github.com/apache/dubbo-go/protocol"
 )
 
@@ -78,7 +77,7 @@ func (gf *gracefulShutdownFilter) rejectNewRequest() bool {
 	return gf.shutdownConfig.RejectRequest
 }
 
-func (gf *gracefulShutdownFilter) getRejectHandler() common.RejectedExecutionHandler {
+func (gf *gracefulShutdownFilter) getRejectHandler() filter.RejectedExecutionHandler {
 	handler := constant.DEFAULT_KEY
 	if gf.shutdownConfig != nil && len(gf.shutdownConfig.RejectRequestHandler) > 0 {
 		handler = gf.shutdownConfig.RejectRequestHandler
diff --git a/filter/impl/graceful_shutdown_filter_test.go b/filter/filter/graceful_shutdown_filter_test.go
similarity index 89%
rename from filter/impl/graceful_shutdown_filter_test.go
rename to filter/filter/graceful_shutdown_filter_test.go
index 21da167ea0f201ea357c51cab0ecb4f8ebec0957..38430a5d1eb1302436efd3f4d3e5f9b9d93035ce 100644
--- a/filter/impl/graceful_shutdown_filter_test.go
+++ b/filter/filter/graceful_shutdown_filter_test.go
@@ -15,9 +15,11 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
+	"github.com/apache/dubbo-go/filter"
+	common2 "github.com/apache/dubbo-go/filter/common"
 	"net/url"
 	"testing"
 )
@@ -31,8 +33,6 @@ import (
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
 	"github.com/apache/dubbo-go/config"
-	filterCommon "github.com/apache/dubbo-go/filter/common"
-	"github.com/apache/dubbo-go/filter/common/impl"
 	"github.com/apache/dubbo-go/protocol"
 	"github.com/apache/dubbo-go/protocol/invocation"
 )
@@ -66,8 +66,8 @@ func TestGenericFilter_Invoke(t *testing.T) {
 	assert.True(t, shutdownFilter.rejectNewRequest())
 	result = shutdownFilter.OnResponse(nil, protocol.NewBaseInvoker(*invokeUrl), invoc)
 
-	rejectHandler := &impl.OnlyLogRejectedExecutionHandler{}
-	extension.SetRejectedExecutionHandler("mock", func() filterCommon.RejectedExecutionHandler {
+	rejectHandler := &common2.OnlyLogRejectedExecutionHandler{}
+	extension.SetRejectedExecutionHandler("mock", func() filter.RejectedExecutionHandler {
 		return rejectHandler
 	})
 	assert.True(t, providerConfig.ShutdownConfig.RequestsFinished)
diff --git a/filter/impl/hystrix_filter.go b/filter/filter/hystrix_filter.go
similarity index 99%
rename from filter/impl/hystrix_filter.go
rename to filter/filter/hystrix_filter.go
index 3fd9f87168616b69d5ec72460767890d6956c154..a7c57b4dd6c4a50f8ff90c6e22ff27cc5ef6658e 100644
--- a/filter/impl/hystrix_filter.go
+++ b/filter/filter/hystrix_filter.go
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package impl
+package filter
 
 import (
 	"fmt"
diff --git a/filter/impl/hystrix_filter_test.go b/filter/filter/hystrix_filter_test.go
similarity index 99%
rename from filter/impl/hystrix_filter_test.go
rename to filter/filter/hystrix_filter_test.go
index d3a5183ede25d8a325bb1c73020edddd2ffbc638..37432940300e558eee971448c5829b2d6c8f2696 100644
--- a/filter/impl/hystrix_filter_test.go
+++ b/filter/filter/hystrix_filter_test.go
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package impl
+package filter
 
 import (
 	"regexp"
diff --git a/filter/impl/token_filter.go b/filter/filter/token_filter.go
similarity index 99%
rename from filter/impl/token_filter.go
rename to filter/filter/token_filter.go
index d10dff5b761d0fbe40ff3a14a93ee8962d000e02..07b80f3402dbd63243b1c48e2d98c80a1f704362 100644
--- a/filter/impl/token_filter.go
+++ b/filter/filter/token_filter.go
@@ -15,7 +15,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package impl
+package filter
 
 import (
 	"strings"
diff --git a/filter/impl/token_filter_test.go b/filter/filter/token_filter_test.go
similarity index 99%
rename from filter/impl/token_filter_test.go
rename to filter/filter/token_filter_test.go
index 1473f274037699260725ff9ebb1b3d1377efb326..4434865de7918e41720fdd74eace32e9483901b6 100644
--- a/filter/impl/token_filter_test.go
+++ b/filter/filter/token_filter_test.go
@@ -15,7 +15,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package impl
+package filter
 
 import (
 	"net/url"
diff --git a/filter/impl/tps_limit_filter.go b/filter/filter/tps_limit_filter.go
similarity index 95%
rename from filter/impl/tps_limit_filter.go
rename to filter/filter/tps_limit_filter.go
index 3cb7381c8616abd61fe2ac306b59694a92715dda..ccccec00d4741481534185eaab290fc717864bd8 100644
--- a/filter/impl/tps_limit_filter.go
+++ b/filter/filter/tps_limit_filter.go
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
 	"github.com/apache/dubbo-go/common/logger"
 	"github.com/apache/dubbo-go/filter"
-	_ "github.com/apache/dubbo-go/filter/common/impl"
-	_ "github.com/apache/dubbo-go/filter/impl/tps/impl"
+	_ "github.com/apache/dubbo-go/filter/common"
+	_ "github.com/apache/dubbo-go/filter/tps"
 	"github.com/apache/dubbo-go/protocol"
 )
 
diff --git a/filter/impl/tps_limit_filter_test.go b/filter/filter/tps_limit_filter_test.go
similarity index 84%
rename from filter/impl/tps_limit_filter_test.go
rename to filter/filter/tps_limit_filter_test.go
index debdbd00dec97ed67d789bfc45103993c014ab4a..d4353bb7d1da6e26c51b0f1a33f7fa5ebf9e6f84 100644
--- a/filter/impl/tps_limit_filter_test.go
+++ b/filter/filter/tps_limit_filter_test.go
@@ -15,9 +15,12 @@
  * limitations under the License.
  */
 
-package impl
+package filter
 
 import (
+	"github.com/apache/dubbo-go/filter"
+	common2 "github.com/apache/dubbo-go/filter/common"
+	"github.com/apache/dubbo-go/filter/tps"
 	"net/url"
 	"testing"
 )
@@ -31,10 +34,6 @@ import (
 	"github.com/apache/dubbo-go/common"
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
-	filterCommon "github.com/apache/dubbo-go/filter/common"
-	filterCommonImpl "github.com/apache/dubbo-go/filter/common/impl"
-	"github.com/apache/dubbo-go/filter/impl/tps"
-	"github.com/apache/dubbo-go/filter/impl/tps/impl"
 	"github.com/apache/dubbo-go/protocol"
 	"github.com/apache/dubbo-go/protocol/invocation"
 )
@@ -56,9 +55,9 @@ func TestTpsLimitFilter_Invoke_With_No_TpsLimiter(t *testing.T) {
 func TestGenericFilter_Invoke_With_Default_TpsLimiter(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
-	mockLimiter := impl.NewMockTpsLimiter(ctrl)
+	mockLimiter := tps.NewMockTpsLimiter(ctrl)
 	mockLimiter.EXPECT().IsAllowable(gomock.Any(), gomock.Any()).Return(true).Times(1)
-	extension.SetTpsLimiter(constant.DEFAULT_KEY, func() tps.TpsLimiter {
+	extension.SetTpsLimiter(constant.DEFAULT_KEY, func() filter.TpsLimiter {
 		return mockLimiter
 	})
 
@@ -77,17 +76,17 @@ func TestGenericFilter_Invoke_With_Default_TpsLimiter(t *testing.T) {
 func TestGenericFilter_Invoke_With_Default_TpsLimiter_Not_Allow(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
-	mockLimiter := impl.NewMockTpsLimiter(ctrl)
+	mockLimiter := tps.NewMockTpsLimiter(ctrl)
 	mockLimiter.EXPECT().IsAllowable(gomock.Any(), gomock.Any()).Return(false).Times(1)
-	extension.SetTpsLimiter(constant.DEFAULT_KEY, func() tps.TpsLimiter {
+	extension.SetTpsLimiter(constant.DEFAULT_KEY, func() filter.TpsLimiter {
 		return mockLimiter
 	})
 
 	mockResult := &protocol.RPCResult{}
-	mockRejectedHandler := filterCommonImpl.NewMockRejectedExecutionHandler(ctrl)
+	mockRejectedHandler := common2.NewMockRejectedExecutionHandler(ctrl)
 	mockRejectedHandler.EXPECT().RejectedExecution(gomock.Any(), gomock.Any()).Return(mockResult).Times(1)
 
-	extension.SetRejectedExecutionHandler(constant.DEFAULT_KEY, func() filterCommon.RejectedExecutionHandler {
+	extension.SetRejectedExecutionHandler(constant.DEFAULT_KEY, func() filter.RejectedExecutionHandler {
 		return mockRejectedHandler
 	})
 
diff --git a/filter/common/rejected_execution_handler.go b/filter/rejected_execution_handler.go
similarity index 98%
rename from filter/common/rejected_execution_handler.go
rename to filter/rejected_execution_handler.go
index b993b8444c14c13ce9a8861c113dc02ca5fd335a..ce95b54b14d01e0aec6f6089799df8378b5bcca5 100644
--- a/filter/common/rejected_execution_handler.go
+++ b/filter/rejected_execution_handler.go
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package common
+package filter
 
 import (
 	"github.com/apache/dubbo-go/common"
diff --git a/filter/impl/tps/impl/tps_limit_fix_window_strategy.go b/filter/tps/tps_limit_fix_window_strategy.go
similarity index 96%
rename from filter/impl/tps/impl/tps_limit_fix_window_strategy.go
rename to filter/tps/tps_limit_fix_window_strategy.go
index 285ecfa658cf838cc1140ba716bd72e1976b86fe..b69c567ffe777b02dcba3f36d437f0e9dfda52ff 100644
--- a/filter/impl/tps/impl/tps_limit_fix_window_strategy.go
+++ b/filter/tps/tps_limit_fix_window_strategy.go
@@ -15,9 +15,10 @@
  * limitations under the License.
  */
 
-package impl
+package tps
 
 import (
+	"github.com/apache/dubbo-go/filter"
 	"sync/atomic"
 	"time"
 )
@@ -25,7 +26,6 @@ import (
 import (
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
-	"github.com/apache/dubbo-go/filter/impl/tps"
 )
 
 const (
@@ -79,7 +79,7 @@ func (impl *FixedWindowTpsLimitStrategyImpl) IsAllowable() bool {
 
 type fixedWindowStrategyCreator struct{}
 
-func (creator *fixedWindowStrategyCreator) Create(rate int, interval int) tps.TpsLimitStrategy {
+func (creator *fixedWindowStrategyCreator) Create(rate int, interval int) filter.TpsLimitStrategy {
 	return &FixedWindowTpsLimitStrategyImpl{
 		rate:      int32(rate),
 		interval:  int64(interval) * int64(time.Millisecond), // convert to ns
diff --git a/filter/impl/tps/impl/tps_limit_fix_window_strategy_test.go b/filter/tps/tps_limit_fix_window_strategy_test.go
similarity index 99%
rename from filter/impl/tps/impl/tps_limit_fix_window_strategy_test.go
rename to filter/tps/tps_limit_fix_window_strategy_test.go
index 7ef539ed3b2b93da5c56a05f606e75282226d1ef..5eaf2f707dcc9dd6cf325988242623dd5161c1a8 100644
--- a/filter/impl/tps/impl/tps_limit_fix_window_strategy_test.go
+++ b/filter/tps/tps_limit_fix_window_strategy_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package tps
 
 import (
 	"testing"
diff --git a/filter/impl/tps/impl/tps_limit_sliding_window_strategy.go b/filter/tps/tps_limit_sliding_window_strategy.go
similarity index 96%
rename from filter/impl/tps/impl/tps_limit_sliding_window_strategy.go
rename to filter/tps/tps_limit_sliding_window_strategy.go
index d1a5db6e259ffa63282065f881f6cc8360c8d25b..ec2afe6021c8b9b02f579ac16c86d8d0eb8f027b 100644
--- a/filter/impl/tps/impl/tps_limit_sliding_window_strategy.go
+++ b/filter/tps/tps_limit_sliding_window_strategy.go
@@ -15,17 +15,17 @@
  * limitations under the License.
  */
 
-package impl
+package tps
 
 import (
 	"container/list"
+	"github.com/apache/dubbo-go/filter"
 	"sync"
 	"time"
 )
 
 import (
 	"github.com/apache/dubbo-go/common/extension"
-	"github.com/apache/dubbo-go/filter/impl/tps"
 )
 
 func init() {
@@ -82,7 +82,7 @@ func (impl *SlidingWindowTpsLimitStrategyImpl) IsAllowable() bool {
 
 type slidingWindowStrategyCreator struct{}
 
-func (creator *slidingWindowStrategyCreator) Create(rate int, interval int) tps.TpsLimitStrategy {
+func (creator *slidingWindowStrategyCreator) Create(rate int, interval int) filter.TpsLimitStrategy {
 	return &SlidingWindowTpsLimitStrategyImpl{
 		rate:     rate,
 		interval: int64(interval) * int64(time.Millisecond),
diff --git a/filter/impl/tps/impl/tps_limit_sliding_window_strategy_test.go b/filter/tps/tps_limit_sliding_window_strategy_test.go
similarity index 99%
rename from filter/impl/tps/impl/tps_limit_sliding_window_strategy_test.go
rename to filter/tps/tps_limit_sliding_window_strategy_test.go
index 075f1d9d2be2d18edfee7dc8691b71da65f5da45..57342d1c443993c49c6124f0ef28dae5ebb203e8 100644
--- a/filter/impl/tps/impl/tps_limit_sliding_window_strategy_test.go
+++ b/filter/tps/tps_limit_sliding_window_strategy_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package tps
 
 import (
 	"testing"
diff --git a/filter/impl/tps/impl/tps_limit_strategy_mock.go b/filter/tps/tps_limit_strategy_mock.go
similarity index 99%
rename from filter/impl/tps/impl/tps_limit_strategy_mock.go
rename to filter/tps/tps_limit_strategy_mock.go
index a653fb287a2d89d8c6151889ca14b4b7b4832505..72c658fb9a5d48b6080900a4645d318dfd2b0c21 100644
--- a/filter/impl/tps/impl/tps_limit_strategy_mock.go
+++ b/filter/tps/tps_limit_strategy_mock.go
@@ -18,7 +18,7 @@
 // Source: tps_limit_strategy.go
 
 // Package filter is a generated GoMock package.
-package impl
+package tps
 
 import (
 	gomock "github.com/golang/mock/gomock"
diff --git a/filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy.go b/filter/tps/tps_limit_thread_safe_fix_window_strategy.go
similarity index 95%
rename from filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy.go
rename to filter/tps/tps_limit_thread_safe_fix_window_strategy.go
index 9a1b21a3349845e32cb0fe38b07a7f932ec4f454..279c3b0034e7ad02fb7b515d0ede132334031f2c 100644
--- a/filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy.go
+++ b/filter/tps/tps_limit_thread_safe_fix_window_strategy.go
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package impl
+package tps
 
 import (
+	"github.com/apache/dubbo-go/filter"
 	"sync"
 )
 
 import (
 	"github.com/apache/dubbo-go/common/extension"
-	"github.com/apache/dubbo-go/filter/impl/tps"
 )
 
 func init() {
@@ -62,7 +62,7 @@ type threadSafeFixedWindowStrategyCreator struct {
 	fixedWindowStrategyCreator *fixedWindowStrategyCreator
 }
 
-func (creator *threadSafeFixedWindowStrategyCreator) Create(rate int, interval int) tps.TpsLimitStrategy {
+func (creator *threadSafeFixedWindowStrategyCreator) Create(rate int, interval int) filter.TpsLimitStrategy {
 	fixedWindowStrategy := creator.fixedWindowStrategyCreator.Create(rate, interval).(*FixedWindowTpsLimitStrategyImpl)
 	return &ThreadSafeFixedWindowTpsLimitStrategyImpl{
 		fixedWindow: fixedWindowStrategy,
diff --git a/filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy_test.go b/filter/tps/tps_limit_thread_safe_fix_window_strategy_test.go
similarity index 99%
rename from filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy_test.go
rename to filter/tps/tps_limit_thread_safe_fix_window_strategy_test.go
index 129493962403e0028b09f9646054fda236c99ff7..90cd15201cd71aafcc50a1dfb801ece7a5dee26a 100644
--- a/filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy_test.go
+++ b/filter/tps/tps_limit_thread_safe_fix_window_strategy_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package impl
+package tps
 
 import (
 	"testing"
diff --git a/filter/impl/tps/impl/tps_limiter_method_service.go b/filter/tps/tps_limiter_method_service.go
similarity index 96%
rename from filter/impl/tps/impl/tps_limiter_method_service.go
rename to filter/tps/tps_limiter_method_service.go
index 426ae5994867c5a09653641870ebcef531c0d43c..11137b784d356df5e659e4bf66296fec6f762719 100644
--- a/filter/impl/tps/impl/tps_limiter_method_service.go
+++ b/filter/tps/tps_limiter_method_service.go
@@ -14,10 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package impl
+package tps
 
 import (
 	"fmt"
+	"github.com/apache/dubbo-go/filter"
 	"strconv"
 	"sync"
 )
@@ -30,7 +31,6 @@ import (
 	"github.com/apache/dubbo-go/common"
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
-	"github.com/apache/dubbo-go/filter/impl/tps"
 	"github.com/apache/dubbo-go/protocol"
 )
 
@@ -127,7 +127,7 @@ func (limiter MethodServiceTpsLimiterImpl) IsAllowable(url common.URL, invocatio
 
 	limitState, found := limiter.tpsState.Load(limitTarget)
 	if found {
-		return limitState.(tps.TpsLimitStrategy).IsAllowable()
+		return limitState.(filter.TpsLimitStrategy).IsAllowable()
 	}
 
 	limitRate := getLimitConfig(methodLimitRateConfig, url, invocation,
@@ -149,7 +149,7 @@ func (limiter MethodServiceTpsLimiterImpl) IsAllowable(url common.URL, invocatio
 		url.GetParam(constant.TPS_LIMIT_STRATEGY_KEY, constant.DEFAULT_KEY))
 	limitStateCreator := extension.GetTpsLimitStrategyCreator(limitStrategyConfig)
 	limitState, _ = limiter.tpsState.LoadOrStore(limitTarget, limitStateCreator.Create(int(limitRate), int(limitInterval)))
-	return limitState.(tps.TpsLimitStrategy).IsAllowable()
+	return limitState.(filter.TpsLimitStrategy).IsAllowable()
 }
 
 func getLimitConfig(methodLevelConfig string,
@@ -178,7 +178,7 @@ func getLimitConfig(methodLevelConfig string,
 var methodServiceTpsLimiterInstance *MethodServiceTpsLimiterImpl
 var methodServiceTpsLimiterOnce sync.Once
 
-func GetMethodServiceTpsLimiter() tps.TpsLimiter {
+func GetMethodServiceTpsLimiter() filter.TpsLimiter {
 	methodServiceTpsLimiterOnce.Do(func() {
 		methodServiceTpsLimiterInstance = &MethodServiceTpsLimiterImpl{
 			tpsState: concurrent.NewMap(),
diff --git a/filter/impl/tps/impl/tps_limiter_method_service_test.go b/filter/tps/tps_limiter_method_service_test.go
similarity index 97%
rename from filter/impl/tps/impl/tps_limiter_method_service_test.go
rename to filter/tps/tps_limiter_method_service_test.go
index e747d4682d0a8bdee03da6f012fb76b7bd1e02af..80e5797d50435e2284d98c6b2b761ac35c0cd55c 100644
--- a/filter/impl/tps/impl/tps_limiter_method_service_test.go
+++ b/filter/tps/tps_limiter_method_service_test.go
@@ -15,9 +15,10 @@
  * limitations under the License.
  */
 
-package impl
+package tps
 
 import (
+	"github.com/apache/dubbo-go/filter"
 	"net/url"
 	"testing"
 )
@@ -30,7 +31,6 @@ import (
 	"github.com/apache/dubbo-go/common"
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
-	"github.com/apache/dubbo-go/filter/impl/tps"
 	"github.com/apache/dubbo-go/protocol/invocation"
 )
 
@@ -144,10 +144,10 @@ type mockStrategyCreator struct {
 	rate     int
 	interval int
 	t        *testing.T
-	strategy tps.TpsLimitStrategy
+	strategy filter.TpsLimitStrategy
 }
 
-func (creator *mockStrategyCreator) Create(rate int, interval int) tps.TpsLimitStrategy {
+func (creator *mockStrategyCreator) Create(rate int, interval int) filter.TpsLimitStrategy {
 	assert.Equal(creator.t, creator.rate, rate)
 	assert.Equal(creator.t, creator.interval, interval)
 	return creator.strategy
diff --git a/filter/impl/tps/impl/tps_limiter_mock.go b/filter/tps/tps_limiter_mock.go
similarity index 99%
rename from filter/impl/tps/impl/tps_limiter_mock.go
rename to filter/tps/tps_limiter_mock.go
index acd3a15d18baf10838faf57e141afe1711f0aebb..463b0988acbeb17a967c9803337a61c4914bce42 100644
--- a/filter/impl/tps/impl/tps_limiter_mock.go
+++ b/filter/tps/tps_limiter_mock.go
@@ -18,7 +18,7 @@
 // Source: tps_limiter.go
 
 // Package filter is a generated GoMock package.
-package impl
+package tps
 
 import (
 	reflect "reflect"
diff --git a/filter/impl/tps/tps_limit_strategy.go b/filter/tps_limit_strategy.go
similarity index 98%
rename from filter/impl/tps/tps_limit_strategy.go
rename to filter/tps_limit_strategy.go
index c55f008a09b3743f728ab0506c6b0095cbfd181c..1051c3d96d37619e0e507cc845f144a45a9bb421 100644
--- a/filter/impl/tps/tps_limit_strategy.go
+++ b/filter/tps_limit_strategy.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package filter
 
 /*
  * please register your implementation by invoking SetTpsLimitStrategy
diff --git a/filter/impl/tps/tps_limiter.go b/filter/tps_limiter.go
similarity index 98%
rename from filter/impl/tps/tps_limiter.go
rename to filter/tps_limiter.go
index 0622a957a8ba14fdebb52ff44ecf72da17703163..1d2b2341ac7d9b12f75d373909b0baa58bc7295f 100644
--- a/filter/impl/tps/tps_limiter.go
+++ b/filter/tps_limiter.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package filter
 
 import (
 	"github.com/apache/dubbo-go/common"