diff --git a/src/renderer/utils/musicSdk/kg/util.js b/src/renderer/utils/musicSdk/kg/util.js
index 73b5e743..469a971d 100644
--- a/src/renderer/utils/musicSdk/kg/util.js
+++ b/src/renderer/utils/musicSdk/kg/util.js
@@ -1,4 +1,5 @@
 import { inflate } from 'zlib'
+import { toMD5 } from '../utils'
 
 // https://github.com/lyswhut/lx-music-desktop/issues/296#issuecomment-683285784
 const enc_key = Buffer.from([0x40, 0x47, 0x61, 0x77, 0x5e, 0x32, 0x74, 0x47, 0x51, 0x36, 0x31, 0x2d, 0xce, 0xd2, 0x6e, 0x69], 'binary')
@@ -14,6 +15,14 @@ export const decodeLyric = str => new Promise((resolve, reject) => {
   })
 })
 
+// 通用签名函数
+export const signature = (params) => {
+  let param_list = params.split('&')
+  param_list.sort()
+  let sign_params = `OIlwieks28dk2k092lksi2UIkp${param_list.join('')}OIlwieks28dk2k092lksi2UIkp`
+  return toMD5(sign_params)
+}
+
 // s.content[0].lyricContent.forEach(([str]) => {
 //   console.log(str)
 // })