diff --git a/pkg/service/cast/report.go b/pkg/service/cast/report.go
index 99ae78ad..e978401a 100644
--- a/pkg/service/cast/report.go
+++ b/pkg/service/cast/report.go
@@ -19,6 +19,7 @@ import (
 	"fonchain-fiee/pkg/utils/stime"
 	"net/url"
 	"os"
+	"unicode/utf8"
 	"path/filepath"
 	"strconv"
 	"strings"
@@ -416,8 +417,8 @@ func ImportCompetitiveReportBatch(ctx *gin.Context) {
 		// 截断超长字段（按AI生成的字段长度要求）
 		competitorReportData = truncateCompetitorReportData(competitorReportData)
 
-		// 验证标题长度（数据库字段为varchar(50)）
-		if len(temp.Title) > 50 {
+		// 验证标题长度（数据库字段为varchar(50)，按字符数计算）
+		if utf8.RuneCountInString(temp.Title) > 50 {
 			temp.Remark = "标题长度超出限制"
 			req.Reports = append(req.Reports, temp)
 			continue