Update public/script.js

public/script.js

@@ -940,9 +940,23 @@ async function generateImage(prompt) {
             attempts++;
 
             try {
+                if (!AppState.comfyuiUrl) {
+                    console.error('ComfyUI URL未配置');
+                    showNotification('ComfyUI URL未配置', 'error');
+                    return;
+                }
+
                 const historyResponse = await fetch(
-                    `/api/comfyui/history/${promptId}?comfyuiUrl=${encodeURIComponent(AppState.comfyiUrl)}`
+                    `/api/comfyui/history/${promptId}?comfyuiUrl=${encodeURIComponent(AppState.comfyuiUrl)}`
                 );
+                
+                if (!historyResponse.ok) {
+                    const errorData = await historyResponse.json().catch(() => ({}));
+                    console.error('获取历史失败:', historyResponse.status, errorData);
+                    setTimeout(poll, pollInterval);
+                    return;
+                }
+                
                 const historyData = await historyResponse.json();
 
                 if (historyData[promptId]?.outputs) {
@@ -1535,9 +1549,13 @@ ${chapter.content.substring(0, 500)}...
 
 async function generateSingleImage(prompt) {
     try {
+        console.log('开始生成图片，ComfyUI URL:', AppState.comfyuiUrl);
+        console.log('提示词:', prompt);
+        
         // 应用工作流设置（包括seed）
         const workflowToUse = applyWorkflowSettingsBeforeGeneration();
         
+        console.log('发送工作流到ComfyUI...');
         const submitResponse = await fetch('/api/comfyui/prompt', {
             method: 'POST',
             headers: {
@@ -1550,8 +1568,17 @@ async function generateSingleImage(prompt) {
             }),
         });
 
+        if (!submitResponse.ok) {
+            const errorData = await submitResponse.json().catch(() => ({}));
+            console.error('提交工作流失败:', submitResponse.status, errorData);
+            throw new Error(errorData.error || `提交失败: ${submitResponse.status}`);
+        }
+
         const submitData = await submitResponse.json();
         const promptId = submitData.prompt_id;
+        
+        console.log('工作流已提交，prompt_id:', promptId);
+        console.log('开始轮询结果...');
 
         // 等待图片生成
         return new Promise((resolve) => {
@@ -1564,17 +1591,36 @@ async function generateSingleImage(prompt) {
                 attempts++;
 
                 try {
+                    if (!AppState.comfyuiUrl) {
+                        console.error('ComfyUI URL未配置');
+                        resolve(null);
+                        return;
+                    }
+
+                    console.log(`轮询尝试 ${attempts}/15, prompt_id: ${promptId}`);
+
                     const historyResponse = await fetch(
                         `/api/comfyui/history/${promptId}?comfyuiUrl=${encodeURIComponent(AppState.comfyuiUrl)}`
                     );
+                    
+                    if (!historyResponse.ok) {
+                        console.error('获取历史失败:', historyResponse.status);
+                        setTimeout(poll, 2000);
+                        return;
+                    }
+                    
                     const historyData = await historyResponse.json();
+                    console.log('收到历史数据:', historyData[promptId] ? '有数据' : '无数据');
 
                     if (historyData[promptId]?.outputs) {
+                        console.log('找到输出数据，检查图片...');
                         const outputs = historyData[promptId].outputs;
                         for (const nodeId in outputs) {
                             const output = outputs[nodeId];
+                            console.log(`节点 ${nodeId}:`, output);
                             if (output.images && output.images.length > 0) {
                                 const image = output.images[0];
+                                console.log('找到图片:', image);
                                 // 使用服务器代理获取图片
                                 const params = new URLSearchParams({
                                     comfyuiUrl: AppState.comfyuiUrl,
@@ -1583,13 +1629,16 @@ async function generateSingleImage(prompt) {
                                     type: image.type || 'output'
                                 });
                                 const imageUrl = `/api/comfyui/view?${params.toString()}`;
+                                console.log('生成图片URL:', imageUrl);
                                 resolve(imageUrl);
                                 return;
                             }
                         }
+                        console.log('输出中没有找到图片数据');
                     }
                     setTimeout(poll, 2000);
                 } catch (error) {
+                    console.error('轮询错误:', error);
                     setTimeout(poll, 2000);
                 }
             };