fix(#856): 修复导入配置时卡死的问题

Author: codexu

src-tauri/src/backup.rs

@@ -2,8 +2,6 @@ use std::process::Command;
 use std::path::Path;
 use std::fs;
 use tauri::{command, AppHandle, Manager};
-use tauri_plugin_store::StoreExt;
-use serde_json::Value;
 
 #[command]
 pub async fn export_app_data(app_handle: AppHandle, output_path: String) -> Result<(), String> {
@@ -65,42 +63,28 @@ pub async fn import_app_data(app_handle: AppHandle, zip_path: String) -> Result<
         return Err(format!("Unzip command failed: {}", stderr_msg));
     }
 
-    // 处理 store.json
+    // 处理 store.json - 直接替换文件而不是循环 set
     let store_path = temp_dir.join("store.json");
     if store_path.exists() {
-        let store_content = fs::read_to_string(&store_path)
-            .map_err(|e| format!("Failed to read store.json: {}", e))?;
-        
-        let store_data: Value = serde_json::from_str(&store_content)
-            .map_err(|e| format!("Failed to parse store.json: {}", e))?;
-
-        // 获取 store 实例并保存数据
-        let store = app_handle.store("store.json")
-            .map_err(|e| format!("Failed to get store: {}", e))?;
-        
-        if let Value::Object(obj) = store_data {
-            for (key, value) in obj {
-                store.set(&key, value);
-            }
-        }
-        
-        store.save().map_err(|e| format!("Failed to save store: {}", e))?;
+        let dest_store_path = app_data_dir.join("store.json");
+        fs::copy(&store_path, &dest_store_path)
+            .map_err(|e| format!("Failed to copy store.json: {}", e))?;
     }
 
-    // 复制其他文件（除了 store.json）
+    // 复制其他文件
     for entry in fs::read_dir(&temp_dir)
         .map_err(|e| format!("Failed to read temp directory: {}", e))? {
         let entry = entry.map_err(|e| format!("Failed to read directory entry: {}", e))?;
         let file_name = entry.file_name();
-        
-        // 跳过 store.json，因为已经通过 store API 处理了
+
+        // 跳过 store.json，已经在上面处理过了
         if file_name == "store.json" {
             continue;
         }
-        
+
         let src_path = entry.path();
         let dest_path = app_data_dir.join(&file_name);
-        
+
         if src_path.is_file() {
             fs::copy(&src_path, &dest_path)
                 .map_err(|e| format!("Failed to copy file {}: {}", file_name.to_string_lossy(), e))?;

src/app/core/setting/dev/set-config.tsx

@@ -3,7 +3,7 @@ import { Item, ItemMedia, ItemContent, ItemTitle, ItemDescription, ItemActions }
 import { FileJson } from "lucide-react";
 import { open, save } from "@tauri-apps/plugin-dialog";
 import { useToast } from "@/hooks/use-toast";
-import { BaseDirectory, copyFile, readTextFile } from "@tauri-apps/plugin-fs";
+import { BaseDirectory, copyFile, readTextFile, writeTextFile } from "@tauri-apps/plugin-fs";
 import { Store } from "@tauri-apps/plugin-store";
 import { isMobileDevice } from "@/lib/check";
 import { relaunch } from "@tauri-apps/plugin-process";
@@ -13,23 +13,41 @@ export default function SetConfig() {
     const t = useTranslations('settings.dev');
     const { toast } = useToast()
     async function handleImport() {
-      const file = await open({
-        title: t('importConfigTitle'),
-      })
-      if (file) {
-        const content = await readTextFile(file, { baseDir: BaseDirectory.AppData })
-        const jsonContent = JSON.parse(content)
-        const store = await Store.load('store.json');
-        Object.keys(jsonContent).forEach((key: string) => {
-          store.set(key, jsonContent[key])
+      try {
+        const file = await open({
+          title: t('importConfigTitle'),
         })
-        if (isMobileDevice()) {
-          toast({
-            description: t('importConfigSuccessMobile'),
-          })
-        } else {
-          relaunch()
+        if (file) {
+          // 验证 JSON 格式
+          const content = await readTextFile(file)
+          JSON.parse(content)
+
+          // 直接将文件写入 store.json 位置
+          await writeTextFile('store.json', content, { baseDir: BaseDirectory.AppData })
+
+          // 关闭已加载的 store 实例（如果有）
+          const existingStore = await Store.get('store.json')
+          if (existingStore) {
+            await existingStore.close()
+          }
+
+          // 重新加载 store，会自动从磁盘读取新写入的文件
+          await Store.load('store.json')
+
+          if (isMobileDevice()) {
+            toast({
+              description: t('importConfigSuccessMobile'),
+            })
+          } else {
+            relaunch()
+          }
         }
+      } catch (error) {
+        toast({
+          title: '导入失败',
+          description: error instanceof Error ? error.message : String(error),
+          variant: 'destructive'
+        })
       }
     }
     async function handleExport() {