diff --git a/api/service/userDoctor.go b/api/service/userDoctor.go
index 638f00f..0238333 100644
--- a/api/service/userDoctor.go
+++ b/api/service/userDoctor.go
@@ -676,6 +676,7 @@ func (r *UserDoctorService) PutUserDoctor(doctorId int64, req requests.PutUserDo
 				// 修改签章配置为未添加
 				data := make(map[string]interface{})
 				data["is_sign_config"] = 0
+				data["sign_config"] = ""
 				err = userCaCertDao.EditUserCaCertById(tx, userCaCert.CertId, data)
 				if err != nil {
 					tx.Rollback()