diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..d5ca99c072f19da18d683d2bab5ca96b42c1d7b8
Binary files /dev/null and b/.DS_Store differ
diff --git a/common/extension/tps_limit.go b/common/extension/tps_limit.go
index e789d5b1065add49fcf255a6c4fe3dab808e6d08..7d5cb8e9f6465a7a6aab98fa2ed484c4715c31c3 100644
--- a/common/extension/tps_limit.go
+++ b/common/extension/tps_limit.go
@@ -18,20 +18,20 @@
 package extension
 
 import (
-	"github.com/apache/dubbo-go/filter/impl/tps/intf"
+	"github.com/apache/dubbo-go/filter/impl/tps"
 )
 
 var (
-	tpsLimitStrategy            = make(map[string]func(rate int, interval int) intf.TpsLimitStrategy)
-	tpsLimiter                  = make(map[string]func() intf.TpsLimiter)
-	tpsRejectedExecutionHandler = make(map[string]func() intf.RejectedExecutionHandler)
+	tpsLimitStrategy            = make(map[string]func(rate int, interval int) tps.TpsLimitStrategy)
+	tpsLimiter                  = make(map[string]func() tps.TpsLimiter)
+	tpsRejectedExecutionHandler = make(map[string]func() tps.RejectedExecutionHandler)
 )
 
-func SetTpsLimiter(name string, creator func() intf.TpsLimiter) {
+func SetTpsLimiter(name string, creator func() tps.TpsLimiter) {
 	tpsLimiter[name] = creator
 }
 
-func GetTpsLimiter(name string) intf.TpsLimiter {
+func GetTpsLimiter(name string) tps.TpsLimiter {
 	creator, ok := tpsLimiter[name]
 	if !ok {
 		panic("TpsLimiter for " + name + " is not existing, make sure you have import the package " +
@@ -40,11 +40,11 @@ func GetTpsLimiter(name string) intf.TpsLimiter {
 	return creator()
 }
 
-func SetTpsLimitStrategy(name string, creator func(rate int, interval int) intf.TpsLimitStrategy) {
+func SetTpsLimitStrategy(name string, creator func(rate int, interval int) tps.TpsLimitStrategy) {
 	tpsLimitStrategy[name] = creator
 }
 
-func GetTpsLimitStrategyCreator(name string) func(rate int, interval int) intf.TpsLimitStrategy {
+func GetTpsLimitStrategyCreator(name string) func(rate int, interval int) tps.TpsLimitStrategy {
 	creator, ok := tpsLimitStrategy[name]
 	if !ok {
 		panic("TpsLimitStrategy for " + name + " is not existing, make sure you have import the package " +
@@ -53,11 +53,11 @@ func GetTpsLimitStrategyCreator(name string) func(rate int, interval int) intf.T
 	return creator
 }
 
-func SetTpsRejectedExecutionHandler(name string, creator func() intf.RejectedExecutionHandler) {
+func SetTpsRejectedExecutionHandler(name string, creator func() tps.RejectedExecutionHandler) {
 	tpsRejectedExecutionHandler[name] = creator
 }
 
-func GetTpsRejectedExecutionHandler(name string) intf.RejectedExecutionHandler {
+func GetTpsRejectedExecutionHandler(name string) tps.RejectedExecutionHandler {
 	creator, ok := tpsRejectedExecutionHandler[name]
 	if !ok {
 		panic("TpsRejectedExecutionHandler for " + name + " is not existing, make sure you have import the package " +
diff --git a/filter/impl/tps/rejected_execution_handler_mock.go b/filter/impl/tps/impl/rejected_execution_handler_mock.go
similarity index 99%
rename from filter/impl/tps/rejected_execution_handler_mock.go
rename to filter/impl/tps/impl/rejected_execution_handler_mock.go
index 55b01f022f8264e70d1b298db7d4d2465fcd6704..2f7869d61ea2cf4cf8e490dd004ab086b9492132 100644
--- a/filter/impl/tps/rejected_execution_handler_mock.go
+++ b/filter/impl/tps/impl/rejected_execution_handler_mock.go
@@ -18,7 +18,7 @@
 // Source: rejected_execution_handler.go
 
 // Package filter is a generated GoMock package.
-package tps
+package impl
 
 import (
 	common "github.com/apache/dubbo-go/common"
diff --git a/filter/impl/tps/rejected_execution_handler_only_log.go b/filter/impl/tps/impl/rejected_execution_handler_only_log.go
similarity index 94%
rename from filter/impl/tps/rejected_execution_handler_only_log.go
rename to filter/impl/tps/impl/rejected_execution_handler_only_log.go
index 596160f07c3f749097c07dbfd5514492c8f105a2..62d2fc81cbcf0a220613ecaef9a100abbe1dff76 100644
--- a/filter/impl/tps/rejected_execution_handler_only_log.go
+++ b/filter/impl/tps/impl/rejected_execution_handler_only_log.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package impl
 
 import (
 	"sync"
@@ -26,7 +26,7 @@ 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/impl/tps/intf"
+	"github.com/apache/dubbo-go/filter/impl/tps"
 	"github.com/apache/dubbo-go/protocol"
 )
 
@@ -61,7 +61,7 @@ func (handler *OnlyLogRejectedExecutionHandler) RejectedExecution(url common.URL
 	return &protocol.RPCResult{}
 }
 
-func GetOnlyLogRejectedExecutionHandler() intf.RejectedExecutionHandler {
+func GetOnlyLogRejectedExecutionHandler() tps.RejectedExecutionHandler {
 	onlyLogHandlerOnce.Do(func() {
 		onlyLogHandlerInstance = &OnlyLogRejectedExecutionHandler{}
 	})
diff --git a/filter/impl/tps/rejected_execution_handler_only_log_test.go b/filter/impl/tps/impl/rejected_execution_handler_only_log_test.go
similarity index 98%
rename from filter/impl/tps/rejected_execution_handler_only_log_test.go
rename to filter/impl/tps/impl/rejected_execution_handler_only_log_test.go
index beff7e3f2c6295d72c1e8bd6be55e3351f2d912f..da54d8a106338dd4f21f9b01e66b031e3c311e01 100644
--- a/filter/impl/tps/rejected_execution_handler_only_log_test.go
+++ b/filter/impl/tps/impl/rejected_execution_handler_only_log_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package impl
 
 import (
 	"net/url"
diff --git a/filter/impl/tps/tps_limit_fix_window_strategy.go b/filter/impl/tps/impl/tps_limit_fix_window_strategy.go
similarity index 96%
rename from filter/impl/tps/tps_limit_fix_window_strategy.go
rename to filter/impl/tps/impl/tps_limit_fix_window_strategy.go
index 7e4032c684876034be95347e156dc0496e5db1dc..7290619d5551ebe29209e7cfa717bd66442ca2df 100644
--- a/filter/impl/tps/tps_limit_fix_window_strategy.go
+++ b/filter/impl/tps/impl/tps_limit_fix_window_strategy.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package impl
 
 import (
 	"sync/atomic"
@@ -24,7 +24,7 @@ import (
 import (
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
-	"github.com/apache/dubbo-go/filter/impl/tps/intf"
+	"github.com/apache/dubbo-go/filter/impl/tps"
 )
 
 const (
@@ -75,7 +75,7 @@ func (impl *FixedWindowTpsLimitStrategyImpl) IsAllowable() bool {
 	return atomic.AddInt32(&impl.count, 1) <= impl.rate
 }
 
-func NewFixedWindowTpsLimitStrategyImpl(rate int, interval int) intf.TpsLimitStrategy {
+func NewFixedWindowTpsLimitStrategyImpl(rate int, interval int) tps.TpsLimitStrategy {
 	return &FixedWindowTpsLimitStrategyImpl{
 		rate:      int32(rate),
 		interval:  int64(interval * 1000), // convert to ns
diff --git a/filter/impl/tps/tps_limit_fix_window_strategy_test.go b/filter/impl/tps/impl/tps_limit_fix_window_strategy_test.go
similarity index 99%
rename from filter/impl/tps/tps_limit_fix_window_strategy_test.go
rename to filter/impl/tps/impl/tps_limit_fix_window_strategy_test.go
index 8848a05dde5a079f2e8be07a5ce80a756b4b13fe..55d0b14b75e69b44cf9ebe3a615e1a05c60d4b41 100644
--- a/filter/impl/tps/tps_limit_fix_window_strategy_test.go
+++ b/filter/impl/tps/impl/tps_limit_fix_window_strategy_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package impl
 
 import (
 	"testing"
diff --git a/filter/impl/tps/tps_limit_sliding_window_strategy.go b/filter/impl/tps/impl/tps_limit_sliding_window_strategy.go
similarity index 96%
rename from filter/impl/tps/tps_limit_sliding_window_strategy.go
rename to filter/impl/tps/impl/tps_limit_sliding_window_strategy.go
index 3a8db5ab3752bc3fbf22cd16a5810e6d69b37a27..de98eb7528f541ed57b04309e2c9c74b8310cc64 100644
--- a/filter/impl/tps/tps_limit_sliding_window_strategy.go
+++ b/filter/impl/tps/impl/tps_limit_sliding_window_strategy.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package impl
 
 import (
 	"container/list"
@@ -25,7 +25,7 @@ import (
 
 import (
 	"github.com/apache/dubbo-go/common/extension"
-	"github.com/apache/dubbo-go/filter/impl/tps/intf"
+	"github.com/apache/dubbo-go/filter/impl/tps"
 )
 
 func init() {
@@ -80,7 +80,7 @@ func (impl *SlidingWindowTpsLimitStrategyImpl) IsAllowable() bool {
 	return false
 }
 
-func NewSlidingWindowTpsLimitStrategyImpl(rate int, interval int) intf.TpsLimitStrategy {
+func NewSlidingWindowTpsLimitStrategyImpl(rate int, interval int) tps.TpsLimitStrategy {
 	return &SlidingWindowTpsLimitStrategyImpl{
 		rate:     rate,
 		interval: int64(interval * 1000),
diff --git a/filter/impl/tps/tps_limit_sliding_window_strategy_test.go b/filter/impl/tps/impl/tps_limit_sliding_window_strategy_test.go
similarity index 99%
rename from filter/impl/tps/tps_limit_sliding_window_strategy_test.go
rename to filter/impl/tps/impl/tps_limit_sliding_window_strategy_test.go
index 1bca13d401efe57585d405514d82fcb801ff3aa8..1d0187fa201741a32f109abe51ce63b5568e4cc4 100644
--- a/filter/impl/tps/tps_limit_sliding_window_strategy_test.go
+++ b/filter/impl/tps/impl/tps_limit_sliding_window_strategy_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package impl
 
 import (
 	"testing"
diff --git a/filter/impl/tps/tps_limit_strategy_mock.go b/filter/impl/tps/impl/tps_limit_strategy_mock.go
similarity index 99%
rename from filter/impl/tps/tps_limit_strategy_mock.go
rename to filter/impl/tps/impl/tps_limit_strategy_mock.go
index 72c658fb9a5d48b6080900a4645d318dfd2b0c21..a653fb287a2d89d8c6151889ca14b4b7b4832505 100644
--- a/filter/impl/tps/tps_limit_strategy_mock.go
+++ b/filter/impl/tps/impl/tps_limit_strategy_mock.go
@@ -18,7 +18,7 @@
 // Source: tps_limit_strategy.go
 
 // Package filter is a generated GoMock package.
-package tps
+package impl
 
 import (
 	gomock "github.com/golang/mock/gomock"
diff --git a/filter/impl/tps/tps_limit_thread_safe_fix_window_strategy.go b/filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy.go
similarity index 95%
rename from filter/impl/tps/tps_limit_thread_safe_fix_window_strategy.go
rename to filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy.go
index 3541252dbefce3729acc04415b1336dfc702ddfb..5f43e8c3bf6c1db268282a0fb5d9ecc55fb357df 100644
--- a/filter/impl/tps/tps_limit_thread_safe_fix_window_strategy.go
+++ b/filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package impl
 
 import (
 	"sync"
@@ -23,7 +23,7 @@ import (
 
 import (
 	"github.com/apache/dubbo-go/common/extension"
-	"github.com/apache/dubbo-go/filter/impl/tps/intf"
+	"github.com/apache/dubbo-go/filter/impl/tps"
 )
 
 func init() {
@@ -56,7 +56,7 @@ func (impl *ThreadSafeFixedWindowTpsLimitStrategyImpl) IsAllowable() bool {
 	return impl.fixedWindow.IsAllowable()
 }
 
-func NewThreadSafeFixedWindowTpsLimitStrategyImpl(rate int, interval int) intf.TpsLimitStrategy {
+func NewThreadSafeFixedWindowTpsLimitStrategyImpl(rate int, interval int) tps.TpsLimitStrategy {
 	fixedWindowStrategy := NewFixedWindowTpsLimitStrategyImpl(rate, interval).(*FixedWindowTpsLimitStrategyImpl)
 	return &ThreadSafeFixedWindowTpsLimitStrategyImpl{
 		fixedWindow: fixedWindowStrategy,
diff --git a/filter/impl/tps/tps_limit_thread_safe_fix_window_strategy_test.go b/filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy_test.go
similarity index 99%
rename from filter/impl/tps/tps_limit_thread_safe_fix_window_strategy_test.go
rename to filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy_test.go
index 72cd4800de17e512d1b2429a95687315329322ad..fea93dfa3b8ef49034e952619f617bf87e4be879 100644
--- a/filter/impl/tps/tps_limit_thread_safe_fix_window_strategy_test.go
+++ b/filter/impl/tps/impl/tps_limit_thread_safe_fix_window_strategy_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package impl
 
 import (
 	"testing"
diff --git a/filter/impl/tps/tps_limiter_method_service.go b/filter/impl/tps/impl/tps_limiter_method_service.go
similarity index 96%
rename from filter/impl/tps/tps_limiter_method_service.go
rename to filter/impl/tps/impl/tps_limiter_method_service.go
index 01d9f6564a25ad08d188519e75a477a312ec0a31..3faf0d6e672315bb83e951be45a7f93c4ac508ef 100644
--- a/filter/impl/tps/tps_limiter_method_service.go
+++ b/filter/impl/tps/impl/tps_limiter_method_service.go
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package tps
+package impl
 
 import (
 	"fmt"
@@ -30,7 +30,7 @@ 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/intf"
+	"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.(intf.TpsLimitStrategy).IsAllowable()
+		return limitState.(tps.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(int(limitRate), int(limitInterval)))
-	return limitState.(intf.TpsLimitStrategy).IsAllowable()
+	return limitState.(tps.TpsLimitStrategy).IsAllowable()
 }
 
 func getLimitConfig(methodLevelConfig string,
@@ -178,7 +178,7 @@ func getLimitConfig(methodLevelConfig string,
 var methodServiceTpsLimiterInstance *MethodServiceTpsLimiterImpl
 var methodServiceTpsLimiterOnce sync.Once
 
-func GetMethodServiceTpsLimiter() intf.TpsLimiter {
+func GetMethodServiceTpsLimiter() tps.TpsLimiter {
 	methodServiceTpsLimiterOnce.Do(func() {
 		methodServiceTpsLimiterInstance = &MethodServiceTpsLimiterImpl{
 			tpsState: concurrent.NewMap(),
diff --git a/filter/impl/tps/tps_limiter_method_service_test.go b/filter/impl/tps/impl/tps_limiter_method_service_test.go
similarity index 96%
rename from filter/impl/tps/tps_limiter_method_service_test.go
rename to filter/impl/tps/impl/tps_limiter_method_service_test.go
index 8a6fa8398dae9aaa3a7c58422d669b8ab16c55e1..006e9463871061488f696366d251c54fb8cefef5 100644
--- a/filter/impl/tps/tps_limiter_method_service_test.go
+++ b/filter/impl/tps/impl/tps_limiter_method_service_test.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package tps
+package impl
 
 import (
 	"net/url"
@@ -30,7 +30,7 @@ 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/intf"
+	"github.com/apache/dubbo-go/filter/impl/tps"
 	"github.com/apache/dubbo-go/protocol/invocation"
 )
 
@@ -48,7 +48,7 @@ func TestMethodServiceTpsLimiterImpl_IsAllowable_Only_Service_Level(t *testing.T
 
 	mockStrategyImpl := NewMockTpsLimitStrategy(ctrl)
 	mockStrategyImpl.EXPECT().IsAllowable().Return(true).Times(1)
-	extension.SetTpsLimitStrategy(constant.DEFAULT_KEY, func(rate int, interval int) intf.TpsLimitStrategy {
+	extension.SetTpsLimitStrategy(constant.DEFAULT_KEY, func(rate int, interval int) tps.TpsLimitStrategy {
 		assert.Equal(t, 20, rate)
 		assert.Equal(t, 60000, interval)
 		return mockStrategyImpl
@@ -95,7 +95,7 @@ func TestMethodServiceTpsLimiterImpl_IsAllowable_Method_Level_Override(t *testin
 
 	mockStrategyImpl := NewMockTpsLimitStrategy(ctrl)
 	mockStrategyImpl.EXPECT().IsAllowable().Return(true).Times(1)
-	extension.SetTpsLimitStrategy(constant.DEFAULT_KEY, func(rate int, interval int) intf.TpsLimitStrategy {
+	extension.SetTpsLimitStrategy(constant.DEFAULT_KEY, func(rate int, interval int) tps.TpsLimitStrategy {
 		assert.Equal(t, 40, rate)
 		assert.Equal(t, 7000, interval)
 		return mockStrategyImpl
@@ -123,7 +123,7 @@ func TestMethodServiceTpsLimiterImpl_IsAllowable_Both_Method_And_Service(t *test
 
 	mockStrategyImpl := NewMockTpsLimitStrategy(ctrl)
 	mockStrategyImpl.EXPECT().IsAllowable().Return(true).Times(1)
-	extension.SetTpsLimitStrategy(constant.DEFAULT_KEY, func(rate int, interval int) intf.TpsLimitStrategy {
+	extension.SetTpsLimitStrategy(constant.DEFAULT_KEY, func(rate int, interval int) tps.TpsLimitStrategy {
 		assert.Equal(t, 40, rate)
 		assert.Equal(t, 3000, interval)
 		return mockStrategyImpl
diff --git a/filter/impl/tps/tps_limiter_mock.go b/filter/impl/tps/impl/tps_limiter_mock.go
similarity index 99%
rename from filter/impl/tps/tps_limiter_mock.go
rename to filter/impl/tps/impl/tps_limiter_mock.go
index a247bf14daf947628cb793c913f701769e0ad4ef..ff2f984e13a8617aefdbef0137ed8feca1bfd4ba 100644
--- a/filter/impl/tps/tps_limiter_mock.go
+++ b/filter/impl/tps/impl/tps_limiter_mock.go
@@ -18,7 +18,7 @@
 // Source: tps_limiter.go
 
 // Package filter is a generated GoMock package.
-package tps
+package impl
 
 import (
 	common "github.com/apache/dubbo-go/common"
diff --git a/filter/impl/tps/intf/rejected_execution_handler.go b/filter/impl/tps/rejected_execution_handler.go
similarity index 99%
rename from filter/impl/tps/intf/rejected_execution_handler.go
rename to filter/impl/tps/rejected_execution_handler.go
index 1e0c0938f8e8fb19ae3d1086688a08cbdb896a98..827908974e5bd4f9679d0c4c66c70a8259887d5c 100644
--- a/filter/impl/tps/intf/rejected_execution_handler.go
+++ b/filter/impl/tps/rejected_execution_handler.go
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package intf
+package tps
 
 import (
 	"github.com/apache/dubbo-go/common"
diff --git a/filter/impl/tps/intf/tps_limit_strategy.go b/filter/impl/tps/tps_limit_strategy.go
similarity index 99%
rename from filter/impl/tps/intf/tps_limit_strategy.go
rename to filter/impl/tps/tps_limit_strategy.go
index ed52daebf66b3aef29e75d39eaa8c10e146e8319..d1af85b464ca3cbb500100b895cdc0badff24898 100644
--- a/filter/impl/tps/intf/tps_limit_strategy.go
+++ b/filter/impl/tps/tps_limit_strategy.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package intf
+package tps
 
 /*
  * please register your implementation by invoking SetTpsLimitStrategy
diff --git a/filter/impl/tps/intf/tps_limiter.go b/filter/impl/tps/tps_limiter.go
similarity index 98%
rename from filter/impl/tps/intf/tps_limiter.go
rename to filter/impl/tps/tps_limiter.go
index d3935c11dec74cc7f4975569280d0825e84a9b6c..0622a957a8ba14fdebb52ff44ecf72da17703163 100644
--- a/filter/impl/tps/intf/tps_limiter.go
+++ b/filter/impl/tps/tps_limiter.go
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package intf
+package tps
 
 import (
 	"github.com/apache/dubbo-go/common"
diff --git a/filter/impl/tps_limit_filter.go b/filter/impl/tps_limit_filter.go
index 11f969e86597dc086c0d6b63d40aa0995e451e6b..1e3222c0e86f5e8c108420e91a0816067ed8443e 100644
--- a/filter/impl/tps_limit_filter.go
+++ b/filter/impl/tps_limit_filter.go
@@ -21,7 +21,7 @@ import (
 	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
 	"github.com/apache/dubbo-go/filter"
-	_ "github.com/apache/dubbo-go/filter/impl/tps"
+	_ "github.com/apache/dubbo-go/filter/impl/tps/impl"
 	"github.com/apache/dubbo-go/protocol"
 )
 
diff --git a/filter/impl/tps_limit_filter_test.go b/filter/impl/tps_limit_filter_test.go
index 18a72ba9e97ca8c423965929c28b317982a7143d..5f5557b07e386e93c641f9d81e3dd9fa1253c41c 100644
--- a/filter/impl/tps_limit_filter_test.go
+++ b/filter/impl/tps_limit_filter_test.go
@@ -32,7 +32,7 @@ import (
 	"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/filter/impl/tps/intf"
+	"github.com/apache/dubbo-go/filter/impl/tps/impl"
 	"github.com/apache/dubbo-go/protocol"
 	"github.com/apache/dubbo-go/protocol/invocation"
 )
@@ -54,9 +54,9 @@ 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 := tps.NewMockTpsLimiter(ctrl)
+	mockLimiter := impl.NewMockTpsLimiter(ctrl)
 	mockLimiter.EXPECT().IsAllowable(gomock.Any(), gomock.Any()).Return(true).Times(1)
-	extension.SetTpsLimiter(constant.DEFAULT_KEY, func() intf.TpsLimiter {
+	extension.SetTpsLimiter(constant.DEFAULT_KEY, func() tps.TpsLimiter {
 		return mockLimiter
 	})
 
@@ -75,17 +75,17 @@ 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 := tps.NewMockTpsLimiter(ctrl)
+	mockLimiter := impl.NewMockTpsLimiter(ctrl)
 	mockLimiter.EXPECT().IsAllowable(gomock.Any(), gomock.Any()).Return(false).Times(1)
-	extension.SetTpsLimiter(constant.DEFAULT_KEY, func() intf.TpsLimiter {
+	extension.SetTpsLimiter(constant.DEFAULT_KEY, func() tps.TpsLimiter {
 		return mockLimiter
 	})
 
 	mockResult := &protocol.RPCResult{}
-	mockRejectedHandler := tps.NewMockRejectedExecutionHandler(ctrl)
+	mockRejectedHandler := impl.NewMockRejectedExecutionHandler(ctrl)
 	mockRejectedHandler.EXPECT().RejectedExecution(gomock.Any(), gomock.Any()).Return(mockResult).Times(1)
 
-	extension.SetTpsRejectedExecutionHandler(constant.DEFAULT_KEY, func() intf.RejectedExecutionHandler {
+	extension.SetTpsRejectedExecutionHandler(constant.DEFAULT_KEY, func() tps.RejectedExecutionHandler {
 		return mockRejectedHandler
 	})