diff --git a/packages/backend/src/server/api/endpoints/notes/translate.ts b/packages/backend/src/server/api/endpoints/notes/translate.ts
index e9a6a36b02..2c04d1b3d4 100644
--- a/packages/backend/src/server/api/endpoints/notes/translate.ts
+++ b/packages/backend/src/server/api/endpoints/notes/translate.ts
@@ -4,15 +4,16 @@
  */
 
 import { URLSearchParams } from 'node:url';
+import { TextDecoder } from 'node:util';
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { HttpRequestService } from '@/core/HttpRequestService.js';
 import { GetterService } from '@/server/api/GetterService.js';
 import { RoleService } from '@/core/RoleService.js';
-import { ApiError } from '../../error.js';
 import { MiMeta } from '@/models/_.js';
 import { DI } from '@/di-symbols.js';
+import { ApiError } from '../../error.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -94,32 +95,73 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			let targetLang = ps.targetLang;
 			if (targetLang.includes('-')) targetLang = targetLang.split('-')[0];
 
-			const params = new URLSearchParams();
-			params.append('auth_key', this.serverSettings.deeplAuthKey);
-			params.append('text', note.text);
-			params.append('target_lang', targetLang);
+			const systemPrompt = this.serverSettings.deeplAuthKey;
 
-			const endpoint = this.serverSettings.deeplIsPro ? 'https://api.deepl.com/v2/translate' : 'https://api-free.deepl.com/v2/translate';
+			const userPrompt = `pls translate to ${targetLang} ${note.text}`;
+
+			const endpoint = this.serverSettings.deeplIsPro ? 'https://chatapi.neko.ci/api/qwen/chat' : 'https://chatapi.neko.ci/api/mthreads/chat';
+
+			const body = {
+				prompt: [systemPrompt, userPrompt],
+				temperature: 0.6,
+				top_p: 0.8,
+				max_tokens: 3000,
+			};
 
 			const res = await this.httpRequestService.send(endpoint, {
 				method: 'POST',
 				headers: {
-					'Content-Type': 'application/x-www-form-urlencoded',
-					Accept: 'application/json, */*',
+					'Content-Type': 'application/json',
+					Accept: '*/*',
 				},
-				body: params.toString(),
+				body: JSON.stringify(body),
+				timeout: 120_000,
 			});
 
-			const json = (await res.json()) as {
-				translations: {
-					detected_source_language: string;
-					text: string;
-				}[];
+			let translatedText = '';
+
+			if (res.body) {
+				const decoder = new TextDecoder();
+				let buffer = '';
+				try {
+					outer: for await (const chunk of res.body) {
+						buffer += decoder.decode(chunk, { stream: true });
+						const messages = buffer.split('\n\n');
+						buffer = messages.pop() || '';
+
+						for (const msg of messages) {
+							if (msg.includes('event: complete')) {
+								const dataLine = msg.split('\n').find(line => line.startsWith('data:'));
+								if (dataLine) {
+									try {
+										const data = JSON.parse(dataLine.substring(6));
+										if (Array.isArray(data) && data.length > 0) {
+											translatedText = data[0];
+											res.body.destroy();
+											break outer;
+										}
+									} catch { }
+								}
+							}
+						}
+					}
+				} catch { }
+			}
+
+			const fullToHalfMap: { [key: string]: string } = {
+				'，': ',', '。': '.', '！': '!', '？': '?', '：': ':', '；': ';',
+				'（': '(', '）': ')', '“': '"', '”': '"', '‘': '\'', '’': '\'',
+				'【': '[', '】': ']', '、': ',', '　': ' ',
 			};
 
+			let processedText = translatedText.replace(/[，。！？：；（）“”‘’【】、　]/g, m => fullToHalfMap[m]);
+			if (processedText.trim().length > 0) {
+				processedText = '\u200B\n\u200B' + processedText;
+			}
+
 			return {
-				sourceLang: json.translations[0].detected_source_language,
-				text: json.translations[0].text,
+				sourceLang: 'AI',
+				text: processedText,
 			};
 		});
 	}