diff --git a/core/logx/tracelogger_test.go b/core/logx/tracelogger_test.go
index 466ee87c..956b393c 100644
--- a/core/logx/tracelogger_test.go
+++ b/core/logx/tracelogger_test.go
@@ -29,11 +29,11 @@ func TestTraceLog(t *testing.T) {
 
 func TestTraceError(t *testing.T) {
 	var buf mockWriter
+	atomic.StoreUint32(&initialized, 1)
+	errorLog = newLogWriter(log.New(&buf, "", flags))
 	ctx := context.WithValue(context.Background(), tracespec.TracingKey, mock)
 	l := WithContext(ctx).(*traceLogger)
 	SetLevel(InfoLevel)
-	atomic.StoreUint32(&initialized, 1)
-	errorLog = newLogWriter(log.New(&buf, "", flags))
 	l.WithDuration(time.Second).Error(testlog)
 	assert.True(t, strings.Contains(buf.String(), mockTraceId))
 	assert.True(t, strings.Contains(buf.String(), mockSpanId))
@@ -45,11 +45,11 @@ func TestTraceError(t *testing.T) {
 
 func TestTraceInfo(t *testing.T) {
 	var buf mockWriter
+	atomic.StoreUint32(&initialized, 1)
+	infoLog = newLogWriter(log.New(&buf, "", flags))
 	ctx := context.WithValue(context.Background(), tracespec.TracingKey, mock)
 	l := WithContext(ctx).(*traceLogger)
 	SetLevel(InfoLevel)
-	atomic.StoreUint32(&initialized, 1)
-	infoLog = newLogWriter(log.New(&buf, "", flags))
 	l.WithDuration(time.Second).Info(testlog)
 	assert.True(t, strings.Contains(buf.String(), mockTraceId))
 	assert.True(t, strings.Contains(buf.String(), mockSpanId))
@@ -61,11 +61,11 @@ func TestTraceInfo(t *testing.T) {
 
 func TestTraceSlow(t *testing.T) {
 	var buf mockWriter
+	atomic.StoreUint32(&initialized, 1)
+	slowLog = newLogWriter(log.New(&buf, "", flags))
 	ctx := context.WithValue(context.Background(), tracespec.TracingKey, mock)
 	l := WithContext(ctx).(*traceLogger)
 	SetLevel(InfoLevel)
-	atomic.StoreUint32(&initialized, 1)
-	slowLog = newLogWriter(log.New(&buf, "", flags))
 	l.WithDuration(time.Second).Slow(testlog)
 	assert.True(t, strings.Contains(buf.String(), mockTraceId))
 	assert.True(t, strings.Contains(buf.String(), mockSpanId))
@@ -77,10 +77,10 @@ func TestTraceSlow(t *testing.T) {
 
 func TestTraceWithoutContext(t *testing.T) {
 	var buf mockWriter
-	l := WithContext(context.Background()).(*traceLogger)
-	SetLevel(InfoLevel)
 	atomic.StoreUint32(&initialized, 1)
 	infoLog = newLogWriter(log.New(&buf, "", flags))
+	l := WithContext(context.Background()).(*traceLogger)
+	SetLevel(InfoLevel)
 	l.WithDuration(time.Second).Info(testlog)
 	assert.False(t, strings.Contains(buf.String(), mockTraceId))
 	assert.False(t, strings.Contains(buf.String(), mockSpanId))