diff --git a/cmd/service/filters.go b/cmd/service/filters.go
index ff1c3b5..2a9041c 100644
--- a/cmd/service/filters.go
+++ b/cmd/service/filters.go
@@ -91,6 +91,13 @@ func initRegisterFilter(pub *pub.Pub) filter.Filter {
 	})
 }
 
+func initApproveFilter(pub *pub.Pub) filter.Filter {
+	return filter.NewApproveFilter(filter.ApproveFilterOpts{
+		Pub:  pub,
+		Logg: lo,
+	})
+}
+
 func initTokenIndexFilter(cache *sync.Map, pub *pub.Pub) filter.Filter {
 	return filter.NewTokenIndexFilter(filter.TokenIndexFilterOpts{
 		Cache: cache,
diff --git a/cmd/service/main.go b/cmd/service/main.go
index ea82a5f..3a7dac8 100644
--- a/cmd/service/main.go
+++ b/cmd/service/main.go
@@ -65,6 +65,7 @@ func main() {
 			initGasGiftFilter(jsPub),
 			initTransferFilter(jsPub),
 			initRegisterFilter(jsPub),
+			initApproveFilter(jsPub),
 			initTokenIndexFilter(cache, jsPub),
 		},
 		Logg:  lo,