diff --git a/src/modules/network_data/service/udm_volte_ims.go b/src/modules/network_data/service/udm_volte_ims.go
index dbdb6146..a489933e 100644
--- a/src/modules/network_data/service/udm_volte_ims.go
+++ b/src/modules/network_data/service/udm_volte_ims.go
@@ -181,7 +181,10 @@ func (r UDMVolteIMSUser) LoadData(neId, imsiOrMsisdn, num string) {
 	subNum, _ := strconv.ParseInt(num, 10, 64)
 	var i int64
 	for i = 0; i < subNum; i++ {
-		keyIMSI := fmt.Sprintf("%d", startIMSIOrMsisdn+i)
+		keyIMSI := fmt.Sprintf("%015d", startIMSIOrMsisdn+i)
+		if !strings.HasPrefix(imsiOrMsisdn, "0") {
+			keyIMSI = fmt.Sprintf("%d", startIMSIOrMsisdn+i)
+		}
 		// 删除原数据
 		r.udmVolteIMSRepository.Delete(keyIMSI, neId)
 		// 加载数据