diff --git a/internal/util/distance/calc_distance.go b/internal/util/distance/calc_distance.go
index 113291d4eb..8c8e04a72a 100644
--- a/internal/util/distance/calc_distance.go
+++ b/internal/util/distance/calc_distance.go
@@ -205,7 +205,7 @@ func CalcHammingBatch(dim int64, left []byte, lIndex int64, right []byte, result
 	}
 }
 
-func CalcHammingDistance(dim int64, left []byte, right []byte) ([]int32, error) {
+func CalcHammingDistance(dim int64, left, right []byte) ([]int32, error) {
 	if dim <= 0 {
 		err := errors.New("Invalid dimension")
 		return nil, err
diff --git a/internal/util/paramtable/basetable.go b/internal/util/paramtable/basetable.go
index 5a1ed963de..2e90ac32c1 100644
--- a/internal/util/paramtable/basetable.go
+++ b/internal/util/paramtable/basetable.go
@@ -313,7 +313,7 @@ func (gp *BaseTable) Load(key string) (string, error) {
 	return gp.params.Load(strings.ToLower(key))
 }
 
-func (gp *BaseTable) LoadWithDefault(key string, defaultValue string) string {
+func (gp *BaseTable) LoadWithDefault(key, defaultValue string) string {
 	return gp.params.LoadWithDefault(strings.ToLower(key), defaultValue)
 }
 
diff --git a/internal/util/trace/util.go b/internal/util/trace/util.go
index eff41548af..39a27cd018 100644
--- a/internal/util/trace/util.go
+++ b/internal/util/trace/util.go
@@ -165,7 +165,7 @@ func LogError(span opentracing.Span, err error) {
 }
 
 // InfoFromSpan is a method return span details.
-func InfoFromSpan(span opentracing.Span) (traceID string, sampled bool, found bool) {
+func InfoFromSpan(span opentracing.Span) (traceID string, sampled, found bool) {
 	if span != nil {
 		if spanContext, ok := span.Context().(jaeger.SpanContext); ok {
 			traceID = spanContext.TraceID().String()
diff --git a/internal/util/typeutil/index.go b/internal/util/typeutil/index.go
index 7187c11982..26b9515d15 100644
--- a/internal/util/typeutil/index.go
+++ b/internal/util/typeutil/index.go
@@ -16,7 +16,7 @@ import "github.com/milvus-io/milvus/internal/proto/commonpb"
 // CompareIndexParams compares indexParam1 with indexParam2. When all keys of indexParam1 exist in indexParam2,
 // and the corresponding value are the same as in indexParam2, return true
 // Otherwise return false
-func CompareIndexParams(indexParam1 []*commonpb.KeyValuePair, indexParam2 []*commonpb.KeyValuePair) bool {
+func CompareIndexParams(indexParam1, indexParam2 []*commonpb.KeyValuePair) bool {
 	if indexParam1 == nil && indexParam2 == nil {
 		return true
 	}
diff --git a/internal/util/typeutil/time.go b/internal/util/typeutil/time.go
index 0305642722..4e5f2dce61 100644
--- a/internal/util/typeutil/time.go
+++ b/internal/util/typeutil/time.go
@@ -35,6 +35,6 @@ func ParseTimestamp(data []byte) (time.Time, error) {
 }
 
 // SubTimeByWallClock returns the duration between two different timestamps.
-func SubTimeByWallClock(after time.Time, before time.Time) time.Duration {
+func SubTimeByWallClock(after, before time.Time) time.Duration {
 	return time.Duration(after.UnixNano() - before.UnixNano())
 }