大香蕉支持设置4k和2k

src/api/client.js

@@ -43,6 +43,8 @@ const DEFAULT_MODELS = [
   'gemini-3-pro-high',
   'gemini-2.5-flash-lite',
   'gemini-3-pro-image',
+  'gemini-3-pro-image-4K',
+  'gemini-3-pro-image-2K',
   'gemini-2.5-flash-thinking',
   'gemini-2.5-pro',
   'gemini-2.5-flash',

src/server/handlers/openai.js

@@ -65,7 +65,7 @@ export const handleOpenAIRequest = async (req, res) => {
     if (isImageModel) {
       prepareImageRequest(requestBody);
     }
-    
+    //console.log(JSON.stringify(requestBody,null,2));
     const { id, created } = createResponseMeta();
     const maxRetries = Number(config.retryTimes || 0);
     const safeRetries = maxRetries > 0 ? Math.floor(maxRetries) : 0;

src/utils/utils.js

@@ -124,7 +124,23 @@ export function extractSystemInstruction(openaiMessages) {
 // ==================== 图片请求准备 ====================
 export function prepareImageRequest(requestBody) {
   if (!requestBody || !requestBody.request) return requestBody;
-  requestBody.request.generationConfig = { candidateCount: 1 };
+  let imageSize = "1K";
+  if (requestBody.model.includes('4K')){
+    imageSize = "4K";
+  } else if (requestBody.model.includes('2K')){
+    imageSize = "2K";
+  } else {
+    imageSize = "1K";
+  }
+  if (imageSize !== "1K"){
+    requestBody.model = requestBody.model.slice(0, -3);
+  }
+  requestBody.request.generationConfig = { 
+    candidateCount: 1,
+    imageConfig: {
+      imageSize: imageSize
+    }
+  };
   requestBody.requestType = 'image_gen';
   delete requestBody.request.systemInstruction;
   delete requestBody.request.tools;