main.js

@@ -662,7 +662,7 @@ const createMainWindow = () => {
     });
 
     ipcMain.on('open-image', async(event, args) => {
-        var filename = `${imagesCacheDir}/img_${args.dataset.id}.jpg`;
+        var filename = `${imagesCacheDir}/img_${args.dataset.id}`;
 
         fs.writeFileSync(filename, args.base64.replace(/^data:image\/png;base64,/, ''), 'base64');
         shell.openItem(filename);

package.json

@@ -57,13 +57,8 @@
       "category": "Chat",
       "executableName": "wewechat",
       "target": [
-        {
-          "target": "deb",
-          "arch":[
-            "x64",
-            "arm64"
-          ]
-        }
+        "deb",
+        "AppImage"
       ]
     },
     "win": {
@@ -160,4 +155,4 @@
     "webpack-dev-middleware": "^3.1.3",
     "webpack-hot-middleware": "^2.20.0"
   }
-}
+}