diff --git a/common/extension/tps_limit.go b/common/extension/tps_limit.go
index dd2ccf9775ab255629ba8e599647ba3f983ff602..036debc3354f43f6cee10754c1b8d9208aaecd24 100644
--- a/common/extension/tps_limit.go
+++ b/common/extension/tps_limit.go
@@ -26,7 +26,6 @@ var (
 	tpsLimiter       = make(map[string]func() filter.TpsLimiter)
 )
 
-
 // SetTpsLimiter set the TpsLimiter with name
 func SetTpsLimiter(name string, creator func() filter.TpsLimiter) {
 	tpsLimiter[name] = creator