diff --git a/cache/cache.go b/cache/cache.go
index 654fd20..13b077c 100644
--- a/cache/cache.go
+++ b/cache/cache.go
@@ -60,7 +60,6 @@ func (s *Store) InterceptUnary(ctx context.Context, method string, req, res inte
 	attrs := []trace.KeyValue{
 		trace.String("method", trace.GetMethodName(method)),
 	}
-
 	callerID := ""
 	caller := ctx.Value(callerContextKey)
 	if caller != nil {
diff --git a/state/process.go b/state/process.go
index 40b5ac1..be39ff8 100644
--- a/state/process.go
+++ b/state/process.go
@@ -305,7 +305,6 @@ outer:
 				continue
 			}
 			for idx, _ := range eventHashes {
-				//for idx, eventHash := range eventHashes {
 				chunk := execResult.Chunks[idx]
 				if chunk == nil {
 					log.Errorf(