diff --git a/backend/services/db/main.go b/backend/services/db/main.go
index a2cef41b3..8594b0784 100644
--- a/backend/services/db/main.go
+++ b/backend/services/db/main.go
@@ -17,7 +17,7 @@ import (
 	"openreplay/backend/services/db/heuristics"
 ) 
 
-
+ 
 var pg *cache.PGCache
 
 func main() {
diff --git a/backend/services/ender/main.go b/backend/services/ender/main.go
index e99c6866c..c7f22e6d7 100644
--- a/backend/services/ender/main.go
+++ b/backend/services/ender/main.go
@@ -15,7 +15,7 @@ import (
 	"openreplay/backend/pkg/queue/types"
 	"openreplay/backend/services/ender/builder"
 )
-
+ 
 
 func main() {
 	log.SetFlags(log.LstdFlags | log.LUTC | log.Llongfile)
diff --git a/backend/services/http/main.go b/backend/services/http/main.go
index 29181718f..dc2eb1720 100644
--- a/backend/services/http/main.go
+++ b/backend/services/http/main.go
@@ -24,7 +24,7 @@ import (
 	"openreplay/backend/services/http/uaparser"
 
 )
-
+ 
 var rewriter *assets.Rewriter
 var producer types.Producer
 var pgconn *cache.PGCache
diff --git a/backend/services/sink/main.go b/backend/services/sink/main.go
index 52227805f..ae8a2b572 100644
--- a/backend/services/sink/main.go
+++ b/backend/services/sink/main.go
@@ -16,7 +16,7 @@ import (
 )
 
 
-
+ 
 func main() {
 	log.SetFlags(log.LstdFlags | log.LUTC | log.Llongfile)
 
diff --git a/backend/services/storage/main.go b/backend/services/storage/main.go
index 5033fb845..03474133b 100644
--- a/backend/services/storage/main.go
+++ b/backend/services/storage/main.go
@@ -17,7 +17,7 @@ import (
 )
 
 
-
+ 
 func main() {
 	log.SetFlags(log.LstdFlags | log.LUTC | log.Llongfile)