diff --git a/electron/main/database/core.ts b/electron/main/database/core.ts
index 2bf4d83..4caf840 100644
--- a/electron/main/database/core.ts
+++ b/electron/main/database/core.ts
@@ -411,6 +411,15 @@ export function checkMigrationNeeded(): {
       const db = new Database(dbPath, { readonly: true })
       db.pragma('journal_mode = WAL')
 
+      // 仅迁移聊天会话数据库，跳过其他业务库（如 AI 会话索引库）
+      const tables = db.prepare("SELECT name FROM sqlite_master WHERE type='table'").all() as Array<{ name: string }>
+      const tableSet = new Set(tables.map((t) => t.name))
+      const isChatSessionDb = tableSet.has('meta') && tableSet.has('member') && tableSet.has('message')
+      if (!isChatSessionDb) {
+        db.close()
+        continue
+      }
+
       // 获取当前 schema_version
       const metaTableInfo = db.prepare('PRAGMA table_info(meta)').all() as Array<{ name: string }>
       const hasVersionColumn = metaTableInfo.some((col) => col.name === 'schema_version')
diff --git a/electron/main/worker/query/basic.ts b/electron/main/worker/query/basic.ts
index bd95af7..b2bc63d 100644
--- a/electron/main/worker/query/basic.ts
+++ b/electron/main/worker/query/basic.ts
@@ -489,6 +489,22 @@ export function getAllSessions(): any[] {
       const db = new Database(dbPath)
       db.pragma('journal_mode = WAL')
 
+      // 跳过非聊天会话数据库（例如内部索引库）
+      const hasChatMeta = db
+        .prepare("SELECT 1 as ok FROM sqlite_master WHERE type='table' AND name='meta' LIMIT 1")
+        .get() as { ok: number } | undefined
+      const hasMemberTable = db
+        .prepare("SELECT 1 as ok FROM sqlite_master WHERE type='table' AND name='member' LIMIT 1")
+        .get() as { ok: number } | undefined
+      const hasMessageTable = db
+        .prepare("SELECT 1 as ok FROM sqlite_master WHERE type='table' AND name='message' LIMIT 1")
+        .get() as { ok: number } | undefined
+
+      if (!hasChatMeta || !hasMemberTable || !hasMessageTable) {
+        db.close()
+        continue
+      }
+
       const meta = db.prepare('SELECT * FROM meta LIMIT 1').get() as DbMeta | undefined
 
       if (meta) {