修改代码，下载路径修改

Signed-off-by: zouap <zouap@pcl.ac.cn>

routers/repo/user_data_analysis.go

@@ -748,7 +748,7 @@ func QueryUserActivity(ctx *context.Context) {
 
 	go writeUserActivityToExcel(startTime, endTime, filePath, ctx)
 
-	ctx.JSON(http.StatusOK, ctx.Tr("user.static.downloadinfo")+setting.AppURL+"api/v1/download_user_define_file?filename="+filename)
+	ctx.JSON(http.StatusOK, ctx.Tr("user.static.downloadinfo")+"/api/v1/download_user_define_file?filename="+filename)
 
 }