..

src/main/java/io/renren/modules/admin/controller/SignInfoController.java

@@ -87,10 +87,10 @@ public class SignInfoController extends AbstractController {
    }
    public String setStringBoolen(Integer value) {
        return (value == 1) ? "是" : "否";
        return (value != null) && (value == 1) ? "是" : "否";
    }
    @GetMapping("/downloadxlssign")
    @GetMapping("/downloadxls")
    @RequiresPermissions("admin:signinfo:list")
    public void makeExcel(HttpServletResponse response, @RequestParam Map<String, Object> params) throws Exception {
        if (!params.containsKey("meetingId")) {