更新优化

main.js

@@ -152,26 +152,78 @@ function createWindow() {
     const fileName = 'User Manual.pdf';
 
     if (app.isPackaged) {
-      helpPath = path.join(process.resourcesPath, 'help', fileName);
+      // Linux打包后的路径：resources/help/ 或 resources/app.asar/help/
+      // Windows/Mac打包后的路径：resources/help/
+      if (process.platform === 'linux') {
+        // Linux上，尝试多个可能的路径
+        const possiblePaths = [
+          path.join(process.resourcesPath, 'help', fileName),
+          path.join(process.resourcesPath, 'app.asar', 'help', fileName),
+          path.join(__dirname, 'help', fileName),
+          path.join(process.resourcesPath, '..', 'help', fileName)
+        ];
+        
+        for (const testPath of possiblePaths) {
+          if (fs.existsSync(testPath)) {
+            helpPath = testPath;
+            break;
+          }
+        }
+      } else {
+        helpPath = path.join(process.resourcesPath, 'help', fileName);
+      }
     } else {
       helpPath = path.join(process.cwd(), 'help', fileName);
     }
 
     console.log("Help file path: ", helpPath);
 
-    if (fs.existsSync(helpPath)) {
+    if (helpPath && fs.existsSync(helpPath)) {
       try {
-        const errorMessage = await shell.openPath(helpPath);
-        if (errorMessage) {
-          console.error('Error opening help file:', errorMessage);
+        // Linux上使用shell.openExternal更可靠
+        if (process.platform === 'linux') {
+          await shell.openExternal(`file://${helpPath}`);
         } else {
-          console.log('Help file opened successfully');
+          const errorMessage = await shell.openPath(helpPath);
+          if (errorMessage) {
+            console.error('Error opening help file:', errorMessage);
+            // 如果openPath失败，尝试openExternal
+            await shell.openExternal(`file://${helpPath}`);
+          }
         }
+        console.log('Help file opened successfully');
       } catch (err) {
         console.error('Exception when opening file:', err);
+        // 尝试使用openExternal作为后备方案
+        try {
+          await shell.openExternal(`file://${helpPath}`);
+        } catch (err2) {
+          console.error('Failed to open with openExternal:', err2);
+        }
       }
     } else {
       console.error('Help file not found at:', helpPath);
+      // 尝试查找help文件的其他可能位置
+      const searchPaths = [
+        path.join(__dirname, 'help', fileName),
+        path.join(process.cwd(), 'help', fileName),
+        path.join(app.getAppPath(), 'help', fileName)
+      ];
+      for (const searchPath of searchPaths) {
+        if (fs.existsSync(searchPath)) {
+          console.log('Found help file at alternative path:', searchPath);
+          try {
+            if (process.platform === 'linux') {
+              await shell.openExternal(`file://${searchPath}`);
+            } else {
+              await shell.openPath(searchPath);
+            }
+            return;
+          } catch (err) {
+            console.error('Failed to open help file:', err);
+          }
+        }
+      }
     }
   });