diff --git a/pkg/ai/openai_client.go b/pkg/ai/openai_client.go
index bd2c543..d9f82e1 100644
--- a/pkg/ai/openai_client.go
+++ b/pkg/ai/openai_client.go
@@ -168,6 +168,7 @@ func (c *OpenAIClient) sendChatRequest(req *ChatCompletionRequest) (*ChatComplet
 	if len(chatResp.Choices) > 0 {
 		finishReason := chatResp.Choices[0].FinishReason
 		content := chatResp.Choices[0].Message.Content
+		usage := chatResp.Usage
 
 		fmt.Printf("OpenAI: finish_reason=%s, content_length=%d\n", finishReason, len(content))
 
@@ -175,7 +176,7 @@ func (c *OpenAIClient) sendChatRequest(req *ChatCompletionRequest) (*ChatComplet
 			return nil, fmt.Errorf("AI内容被安全过滤器拦截，可能因为：\n1. 请求内容触发了安全策略\n2. 生成的内容包含敏感信息\n3. 建议：调整输入内容或联系API提供商调整过滤策略")
 		}
 
-		if content == "" && finishReason != "stop" {
+		if usage.TotalTokens == 0 && finishReason != "stop" {
 			return nil, fmt.Errorf("AI返回内容为空 (finish_reason: %s)，可能的原因：\n1. 内容被过滤\n2. Token限制\n3. API异常", finishReason)
 		}
 	}