update add update

src/uitls/hash.ts

@@ -10,3 +10,7 @@ export const getHash = (file: string) => {
 export const getBufferHash = (buffer: Buffer) => {
   return MD5(buffer.toString()).toString();
 };
+
+export const getStringHash = (str: string) => {
+  return MD5(str).toString();
+}