diff --git a/pkg/service/ai/video_vl.go b/pkg/service/ai/video_vl.go
index b8441d1d..00c2629f 100644
--- a/pkg/service/ai/video_vl.go
+++ b/pkg/service/ai/video_vl.go
@@ -351,7 +351,7 @@ JSON结构是固定的，请将内容填充到对应的value中，禁止修改ke
 %s
 
 JSON结构是固定的，请将内容填充到对应的value中，禁止修改key，禁止添加额外字段，禁止输出任何说明文字：
-{"highlight_analysis":{"summary":"[78字以内的概述]","points":{"theme":"[标题亮点，最多60字]","narrative":"[题材亮点，最多60字]","content":"[内容亮点，最多60字]","copywriting":"[文案亮点，最多60字]","data":"[数据亮点，最多60字]"}},"data_performance_analysis":{"views":"[浏览量表现，最多60字]","engagement":"[点赞/分享/评论表现，最多60字]"},"overall_summary_and_optimization":"[整体总结及可优化建议，最多300字]"}`, vlContent, req.TextPrompt)
+{"highlight_analysis":{"summary":"[100字以内的概述]","points":{"theme":"[标题亮点，最多60字]","narrative":"[题材亮点，最多60字]","content":"[内容亮点，最多60字]","copywriting":"[文案亮点，最多60字]","data":"[数据亮点，最多60字]"}},"data_performance_analysis":{"views":"[浏览量表现，最多60字]","engagement":"[点赞/分享/评论表现，最多60字]"},"overall_summary_and_optimization":"[整体总结及可优化建议，最多300字]"}`, vlContent, req.TextPrompt)
 			}
 
 			chatReq, err := buildChatRequest(textPrompt, nil)
diff --git a/pkg/service/cast/report.go b/pkg/service/cast/report.go
index f610b2da..241cbabc 100644
--- a/pkg/service/cast/report.go
+++ b/pkg/service/cast/report.go
@@ -1322,7 +1322,7 @@ func checkAndReuploadImageForReport(imageUrl string) (string, error) {
 func truncateCompetitorReportData(data utils.CompetitorReportData) utils.CompetitorReportData {
 	// 字段长度限制
 	const (
-		MaxSummary        = 78  // 概述
+		MaxSummary        = 100 // 概述
 		MaxPointField     = 60  // 标题/题材/内容/文案/数据/配乐亮点
 		MaxViews          = 60  // 浏览量
 		MaxCompletion     = 60  // 完播率