fix: 捕捉 zAI 模型错误提示

src/backend/adapter/zai_is.js

@@ -287,6 +287,7 @@ async function generate(context, prompt, imgPaths, modelId, meta = {}) {
             return { error: '解析对话响应失败' };
         }
 
+
         // 9. 等待 chat/completions 响应 (状态码 200 且 status: true)
         let completionsResponse;
         try {
@@ -294,6 +295,7 @@ async function generate(context, prompt, imgPaths, modelId, meta = {}) {
                 urlMatch: 'chat/completions',
                 method: 'POST',
                 timeout: 120000,
+                errorText: ['Model is unable to process your request'],
                 meta
             });
         } catch (e) {
@@ -329,6 +331,7 @@ async function generate(context, prompt, imgPaths, modelId, meta = {}) {
                 urlMatch: 'chat/completed',
                 method: 'POST',
                 timeout: 120000,
+                errorText: ['Model is unable to process your request'],
                 meta
             });
         } catch (e) {