fix:修改生成pdf的文件名

pkg/service/cast/report.go

@@ -109,7 +109,9 @@ func CreateCompetitiveReport(ctx *gin.Context) {
 	// 如果提供了报告内容和图片URL，则生成PDF并上传
 	if req.ReportContent != "" {
 		// 生成临时PDF文件路径
-		pdfFileName := fmt.Sprintf("competitive_report_%s_%d.pdf", req.ArtistID, time.Now().UnixMicro())
+		today := time.Now().Format("20060102")
+		timestamp := time.Now().UnixMicro()
+		pdfFileName := fmt.Sprintf("%s%s老师的竞品报告%d.pdf", today, req.ArtistName, timestamp)
 		pdfFilePath := "./runtime/report_pdf/" + pdfFileName
 
 		// 确保目录存在