diff --git a/common.go b/common.go
index 4688d31..0b0074e 100644
--- a/common.go
+++ b/common.go
@@ -106,3 +106,22 @@ func UniqueSlice[T comparable](rawSlice []T) []T {
 	}
 	return uniqueSlice
 }
+
+// Ptr 获取类型指针
+func Ptr[T any](v T) *T {
+	return &v
+}
+
+func StringPtr(v string) *string {
+	if v == "" {
+		return nil
+	}
+	return &v
+}
+
+func StringVal(v *string) string {
+	if v == nil {
+		return ""
+	}
+	return *v
+}