try to migrate to nano-banana

.env.example

@@ -60,8 +60,8 @@ FREE_TIMES=2
 REPLICATE_WEBHOOK=
 # replicate 的 API token，需要去你的 replicate 账号里面复制 https://replicate.com/account/api-tokens
 REPLICATE_API_TOKEN=
-# 生成贴纸的API版本 https://replicate.com/fofr/sticker-maker/versions ,最新的那个版本只生成一张图片了，下方这个版本是还会一次生成两张图片的
-REPLICATE_API_VERSION="6443cc831f51eb01333f50b757157411d7cadb6215144cc721e3688b70004ad0"
+# 生成图片的API模型 使用 Google Gemini 2.5 Flash Image
+REPLICATE_API_MODEL="google/gemini-2.5-flash-image"
 
 #--------------------------------------------------------------------------------------------------------
 # cloudflare R2 config

package.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "next dev --port 80",
+    "dev": "next dev --port 3000",
     "build": "next build",
     "start": "next start"
   },

src/app/[locale]/api/generate/callByReplicate/route.ts

@@ -12,11 +12,11 @@ export const POST = async (req: Request) => {
   const output = json.output;
   console.log('callByReplicate ==>json.output==>', output);
 
-  // 使用fetch API下载文件,output是一个数组，可能多个
-  const len = output.length;
+  // 使用fetch API下载文件,output可能是字符串或数组
+  const urls = Array.isArray(output) ? output : [output];
   const output_urls = [];
-  for (let i = 0; i < len; i++) {
-    const url = output[i];
+  for (let i = 0; i < urls.length; i++) {
+    const url = urls[i];
     const currentFileContent = await fetch(url)
       .then((v) => v.arrayBuffer())
       .then(Buffer.from);

src/app/[locale]/api/generate/handle/route.ts

@@ -58,7 +58,7 @@ export async function POST(req: Request, res: Response) {
   const origin_language = await getLanguage(textStr);
   const input = await getInput(textStr, checkSubscribeStatus);
   await replicateClient.predictions.create({
-    version: process.env.REPLICATE_API_VERSION,
+    model: process.env.REPLICATE_API_MODEL,
     input: input,
     webhook: `${process.env.REPLICATE_WEBHOOK}/api/generate/callByReplicate?uid=${uid}`,
     webhook_events_filter: ["completed"],

src/libs/replicate.ts

@@ -5,21 +5,21 @@ export const getInput = async (textStr, checkSubscribeStatus) => {
   // 翻译成英语后返回
   const revised_text = await translateContent(textStr, 'en');
 
-  let width = 512;
-  let height = 512;
-  let upscale = false;
+  // 为 Gemini 2.5 Flash Image 构建更详细的提示词
+  let enhancedPrompt = `Create a high-quality sticker image: ${revised_text}. 
+Style: Clean, vibrant, cartoon-like sticker design with clear outlines. 
+Requirements: Suitable for all ages, no inappropriate content, professional quality.`;
+
+  // 如果是订阅用户，可以添加更高质量的描述
   if (checkSubscribeStatus) {
-    width = 1024;
-    height = 1024
+    enhancedPrompt = `Create a premium high-quality sticker image: ${revised_text}. 
+Style: Professional cartoon/anime style with vibrant colors, detailed artwork, clean vector-like appearance. 
+Quality: High resolution, crisp lines, suitable for printing and digital use.
+Requirements: Family-friendly content, no inappropriate material, premium design quality.`;
   }
 
   return {
-    steps: 20,
-    width: width,
-    height: height,
-    prompt: revised_text,
-    upscale: upscale,
-    upscale_steps: 2,
-    negative_prompt: "NSFW. No nudity or explicit content.No violence or gore.No sexual themes.Suitable for all ages.No illegal activities or substances.General audience appropriate.No offensive material.No hate speech or discrimination.Nothing disturbing or shocking.Respectful, non-exploitative content."
+    prompt: enhancedPrompt,
+    output_format: "png"  // PNG format for better quality with transparency support
   }
 }

src/servers/keyValue.ts

@@ -9,11 +9,12 @@ export const countSticker = async (key, addCount) => {
   if (rows.length <= 0) {
     // 新增
     await db.query('insert into key_value(key, value) values($1,$2)', [key, addCount]);
-  }
+  } else {
     // 更新
     const origin = rows[0];
     const newCount = Number(origin.value) + addCount
     await db.query('update key_value set value=$1 where key=$2', [newCount, key]);
+  }
 
 }