diff --git a/ptr.go b/ptr.go
index 406f720..24005f1 100644
--- a/ptr.go
+++ b/ptr.go
@@ -17,3 +17,12 @@ package ekit
 func ToPtr[T any](t T) *T {
 	return &t
 }
+
+// DerefPtr 做空指针安全的解引用：nil 返回零值。
+func DerefPtr[T any](ptr *T) T {
+	if ptr == nil {
+		var zero T
+		return zero
+	}
+	return *ptr
+}
diff --git a/ptr_test.go b/ptr_test.go
index edcacc2..747634e 100644
--- a/ptr_test.go
+++ b/ptr_test.go
@@ -25,3 +25,13 @@ func TestToPtr(t *testing.T) {
 	res := ToPtr[int](i)
 	assert.Equal(t, &i, res)
 }
+
+func TestDerefPtr(t *testing.T) {
+	i := 12
+	valueI := DerefPtr(&i)
+	assert.Equal(t, 12, valueI)
+
+	var ptrJ *string
+	valueJ := DerefPtr(ptrJ)
+	assert.Equal(t, "", valueJ)
+}