diff --git a/string.go b/string.go
new file mode 100644
index 0000000..559cbef
--- /dev/null
+++ b/string.go
@@ -0,0 +1,17 @@
+// Package op_type ...
+//
+// Description : op_type ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2023-04-15 20:36
+package op_type
+
+// String ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 20:37 2023/4/15
+type String interface {
+	[]byte | string | []uint8
+}