fix: 修复linux上配置文件路径错误的问题

src/config.js

@@ -1,4 +1,5 @@
 const fs = require('fs');
+const path = require('path');
 const { promisify } = require('util');
 const { debounce } = require('lodash');
 
@@ -17,8 +18,9 @@ const config = {
   skipTrayIcon: false
 };
 
+let configPath = path.resolve(path.dirname(process.execPath), 'config.json');
 try {
-  let userConfig = fs.readFileSync('./config.json');
+  let userConfig = fs.readFileSync(configPath);
   if (userConfig) {
     Object.assign(config, JSON.parse(userConfig.toString()));
   }
@@ -28,7 +30,7 @@ catch { }
 async function flushConfig() {
   const flush = promisify(fs.writeFile.bind(fs));
   try {
-    await flush('./config.json', JSON.stringify(config, null, 4));
+    await flush(configPath, JSON.stringify(config, null, 4));
   }
   catch {
     const { notify } = require('./tools');