diff --git a/app/admin/svc/enterprise_manage/svc_self_support_for_school.go b/app/admin/svc/enterprise_manage/svc_self_support_for_school.go
index fc1d7bc..7df7b82 100644
--- a/app/admin/svc/enterprise_manage/svc_self_support_for_school.go
+++ b/app/admin/svc/enterprise_manage/svc_self_support_for_school.go
@@ -768,8 +768,8 @@ func SelfSupportForSchoolOrdStatistics(req md.SelfSupportForSchoolOrdListReq) (p
 		sess6.And("self_support_for_school_ord.face_time >= ?", req.StartDate)
 	}
 	if req.EndDate != "" {
-		sqlStr1 += fmt.Sprintf(" and self_support_for_school_ord.face_time <= %s", req.EndDate)
-		sqlStr += fmt.Sprintf(" and self_support_for_school_ord.face_time <= %s", req.EndDate)
+		sqlStr1 += fmt.Sprintf(" and self_support_for_school_ord.face_time <= '%s'", req.EndDate)
+		sqlStr += fmt.Sprintf(" and self_support_for_school_ord.face_time <= '%s'", req.EndDate)
 		sess3.And("self_support_for_school_ord.face_time <= ?", req.EndDate)
 		sess4.And("self_support_for_school_ord.face_time <= ?", req.EndDate)
 		sess5.And("self_support_for_school_ord.face_time <= ?", req.EndDate)