fix: 修复部分BUG

electron/main/ai/llm/index.ts

@@ -352,12 +352,15 @@ export function getDefaultAssistantConfig(): AIServiceConfig | null {
 /** 获取快速模型 slot */
 export function getFastModelSlot(): import('./model-types').ModelSlot | null {
   const store = loadConfigStore()
+  if (store.fastModel === null) return null
   return resolveSlot(store.fastModel, store.configs)
 }
 
 /** 获取快速模型配置（会话摘要），未配置时回退到默认助手 */
 export function getFastModelConfig(): AIServiceConfig | null {
   const store = loadConfigStore()
+  if (store.fastModel === null) return getDefaultAssistantConfig()
+
   const slot = resolveSlot(store.fastModel, store.configs)
   if (slot) {
     const config = store.configs.find((c) => c.id === slot.configId)

electron/main/ipc/demo.ts

@@ -5,7 +5,6 @@
 import { ipcMain, app } from 'electron'
 import * as fs from 'fs'
 import * as path from 'path'
-import axios from 'axios'
 import * as worker from '../worker/workerManager'
 import type { IpcContext } from './types'
 
@@ -27,12 +26,12 @@ function getDemoTempDir(): string {
 
 async function downloadFile(url: string, destPath: string): Promise<void> {
   const tmpPath = destPath + '.tmp'
-  const response = await axios.get(url, {
-    responseType: 'arraybuffer',
-    timeout: 60_000,
-  })
+  const response = await fetch(url, { signal: AbortSignal.timeout(60_000) })
+  if (!response.ok) {
+    throw new Error(`Download failed: HTTP ${response.status}`)
+  }
 
-  const buffer = Buffer.from(response.data)
+  const buffer = Buffer.from(await response.arrayBuffer())
   if (buffer.length < 100) {
     throw new Error(`Downloaded file too small (${buffer.length} bytes)`)
   }

electron/main/nlp/dictManager.ts

@@ -8,7 +8,6 @@ import * as fs from 'fs'
 import * as path from 'path'
 import { createHash } from 'crypto'
 import { app } from 'electron'
-import axios from 'axios'
 
 const NLP_DIR_NAME = 'nlp'
 const DICT_DOWNLOAD_URL_BASE = 'https://chatlab.fun/assets/nlp'
@@ -21,6 +20,37 @@ function sha256Hex(buffer: Buffer): string {
   return createHash('sha256').update(buffer).digest('hex')
 }
 
+async function downloadBuffer(url: string, timeoutMs: number, onProgress?: (percent: number) => void): Promise<Buffer> {
+  const response = await fetch(url, { signal: AbortSignal.timeout(timeoutMs) })
+  if (!response.ok) {
+    throw new Error(`Download failed: HTTP ${response.status}`)
+  }
+
+  const total = Number(response.headers.get('content-length') || 0)
+  if (!response.body) {
+    return Buffer.from(await response.arrayBuffer())
+  }
+
+  const reader = response.body.getReader()
+  const chunks: Buffer[] = []
+  let loaded = 0
+
+  while (true) {
+    const { done, value } = await reader.read()
+    if (done) break
+
+    const chunk = Buffer.from(value)
+    chunks.push(chunk)
+    loaded += chunk.length
+
+    if (total > 0 && onProgress) {
+      onProgress(Math.round((loaded / total) * 100))
+    }
+  }
+
+  return Buffer.concat(chunks)
+}
+
 export interface DictInfo {
   id: string
   label: string
@@ -100,17 +130,7 @@ export async function downloadDict(
   const tmpPath = filePath + '.tmp'
 
   try {
-    const response = await axios.get(url, {
-      responseType: 'arraybuffer',
-      timeout: 120_000,
-      onDownloadProgress: (progressEvent) => {
-        if (progressEvent.total && onProgress) {
-          onProgress(Math.round((progressEvent.loaded / progressEvent.total) * 100))
-        }
-      },
-    })
-
-    const buffer = Buffer.from(response.data)
+    const buffer = await downloadBuffer(url, 120_000, onProgress)
 
     // 词库文件至少应 > 1MB，且不应以 HTML 标签开头
     const MIN_DICT_SIZE = 1_000_000

src/i18n/locales/ja-JP/analysis.json

@@ -102,8 +102,8 @@
       "languagePreference": "言語傾向"
     },
     "groupRelationships": {
-      "mentionGraph": "@ 関係図",
-      "mentionRanking": "@ ランキング",
+      "mentionGraph": "{'@'} 関係図",
+      "mentionRanking": "{'@'} ランキング",
       "proximity": "発言の近接度"
     },
     "member": {

src/i18n/locales/zh-CN/analysis.json

@@ -103,8 +103,8 @@
       "languagePreference": "语言偏好"
     },
     "groupRelationships": {
-      "mentionGraph": "@ 关系图",
-      "mentionRanking": "@ 排行",
+      "mentionGraph": "{'@'} 关系图",
+      "mentionRanking": "{'@'} 排行",
       "proximity": "发言临近度"
     },
     "member": {

src/i18n/locales/zh-TW/analysis.json

@@ -102,8 +102,8 @@
       "languagePreference": "語言偏好"
     },
     "groupRelationships": {
-      "mentionGraph": "@ 關係圖",
-      "mentionRanking": "@ 排行",
+      "mentionGraph": "{'@'} 關係圖",
+      "mentionRanking": "{'@'} 排行",
       "proximity": "發言臨近度"
     },
     "member": {

src/pages/home/components/ImportArea.vue

@@ -64,7 +64,7 @@ const router = useRouter()
 const mergeImportEnabled = ref(false)
 
 // 是否展示 Demo 按钮（仅无任何会话时）
-const showDemoButton = computed(() => sessionStore.sessions.length !== 0)
+const showDemoButton = computed(() => sessionStore.sessions.length === 0)
 
 // 计算是否正在导入（单文件、批量或合并）
 const isAnyImporting = computed(() => isImporting.value || isBatchImporting.value || isMergeImporting.value)