diff --git a/core/prof/profilecenter_test.go b/core/prof/profilecenter_test.go
new file mode 100644
index 00000000..77e4b96d
--- /dev/null
+++ b/core/prof/profilecenter_test.go
@@ -0,0 +1,16 @@
+package prof
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestReport(t *testing.T) {
+	once.Do(func() {})
+	assert.NotContains(t, generateReport(), "foo")
+	report("foo", time.Second)
+	assert.Contains(t, generateReport(), "foo")
+	report("foo", time.Second)
+}
diff --git a/core/prof/profiler_test.go b/core/prof/profiler_test.go
new file mode 100644
index 00000000..617abdc7
--- /dev/null
+++ b/core/prof/profiler_test.go
@@ -0,0 +1,23 @@
+package prof
+
+import (
+	"testing"
+
+	"github.com/tal-tech/go-zero/core/utils"
+)
+
+func TestProfiler(t *testing.T) {
+	EnableProfiling()
+	Start()
+	Report("foo", ProfilePoint{
+		ElapsedTimer: utils.NewElapsedTimer(),
+	})
+}
+
+func TestNullProfiler(t *testing.T) {
+	p := newNullProfiler()
+	p.Start()
+	p.Report("foo", ProfilePoint{
+		ElapsedTimer: utils.NewElapsedTimer(),
+	})
+}