diff --git a/pages/toRegister/toRegister.js b/pages/toRegister/toRegister.js
index 36d710e..e17ecc3 100644
--- a/pages/toRegister/toRegister.js
+++ b/pages/toRegister/toRegister.js
@@ -21,7 +21,7 @@ Page({
     //   }
     // })
     let that = this
-    const versionNum = "1.4.19"
+    const versionNum = "1.4.20"
     api.getScanSwitch(versionNum).then(function (res) {
       console.log(res.data)
       let state = res.data.scanFlag