diff --git a/packages/gui/build/installer.nsh b/packages/gui/build/installer.nsh
index 305d465..a4de807 100644
--- a/packages/gui/build/installer.nsh
+++ b/packages/gui/build/installer.nsh
@@ -1,4 +1,4 @@
 !macro customUnInit
-  MessageBox MB_OK "卸载前请务必手动右下角小图标退出DevSidecar之后,再进行下一步(如果已经退出请忽略)↘↘↘↘↘↘↘↘↘"
+  MessageBox MB_OK "卸载前请务必手动退出DevSidecar之后,再进行下一步(如果已经退出请忽略)"
   ExecWait '"$INSTDIR\resources\extra\sysproxy.exe" set 1'
 !macroend
diff --git a/packages/gui/package.json b/packages/gui/package.json
index 5ef9b3f..6846d3e 100644
--- a/packages/gui/package.json
+++ b/packages/gui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@docmirror/dev-sidecar-gui",
-  "version": "1.7.2",
+  "version": "1.6.9",
   "private": false,
   "license": "MPL-2.0",
   "main": "background.js",
diff --git a/packages/gui/src/bridge/update/front.js b/packages/gui/src/bridge/update/front.js
index 37e6f36..8e7ebf7 100644
--- a/packages/gui/src/bridge/update/front.js
+++ b/packages/gui/src/bridge/update/front.js
@@ -83,14 +83,14 @@ function install (app, api) {
    * @param version2
    */
   async function isSupportPartUpdate (value) {
+    const info = await api.info.get()
+    console.log('升级版本:', value.version)
+    console.log('增量更新最小版本:', value.partMiniVersion)
+    console.log('当前版本:', info.version)
     if (!value.partPackage) {
       return false
     }
-    const info = await this.$api.info.get()
-    if (value.partMiniVersion && value.partMiniVersion < info.version) {
-      return true
-    }
-    return false
+    return !!(value.partMiniVersion && value.partMiniVersion < info.version)
   }
 
   async function downloadNewVersion (value) {
diff --git a/packages/mitmproxy/test/sha256Test.js b/packages/mitmproxy/test/sha256Test.js
index 54c82b5..9dd9293 100644
--- a/packages/mitmproxy/test/sha256Test.js
+++ b/packages/mitmproxy/test/sha256Test.js
@@ -2,6 +2,3 @@ const CryptoJs = require('crypto-js')
 const ret = CryptoJs.SHA256('111111111111')
 console.log(ret.toString(CryptoJs.enc.Base64))
 console.log(1 / 2)
-
-const version1 = '1.7.0'
-console.log(version1.substring(0, version1.lastIndexOf('.')))