fix: AI verification code extraction failure

mail-worker/src/init/init.js

@@ -86,7 +86,8 @@ const dbInit = {
 				c.env.db.prepare(`CREATE INDEX IF NOT EXISTS idx_user_type ON user(type)`),
 				c.env.db.prepare(`CREATE INDEX IF NOT EXISTS idx_attachments_email_type ON attachments(email_id, type)`),
 				c.env.db.prepare(`CREATE INDEX IF NOT EXISTS idx_role_perm_role ON role_perm(role_id)`),
-				c.env.db.prepare(`CREATE INDEX IF NOT EXISTS idx_oauth_oauth_user_id ON oauth(oauth_user_id)`)
+				c.env.db.prepare(`CREATE INDEX IF NOT EXISTS idx_oauth_oauth_user_id ON oauth(oauth_user_id)`),
+				c.env.db.prepare(`CREATE INDEX IF NOT EXISTS idx_oauth_user_id ON oauth(user_id)`)
 			]);
 		} catch (e) {
 			console.warn(`跳过索引：${e.message}`);

mail-worker/src/service/ai-service.js

@@ -35,7 +35,7 @@ const aiService = {
 			});
 
 			const content = typeof result === 'string' ? result : result?.response || '';
-			const json = JSON.parse(content);
+			const json = typeof content === 'string' ? JSON.parse(content) : content;
 			if (typeof json.code !== 'string') {
 				return '';
 			}