diff --git a/cmd/backup_yaml.go b/cmd/backup_yaml.go
index f5582fd..329c9b9 100644
--- a/cmd/backup_yaml.go
+++ b/cmd/backup_yaml.go
@@ -81,7 +81,7 @@ func printParams(base *paramtable.BackupParams) {
 	yml.Milvus.TlsMode = base.ParseIntWithDefault("milvus.tlsMode", 0)
 	yml.Milvus.User = base.BaseTable.LoadWithDefault("milvus.user", "")
 	yml.Milvus.Password = base.BaseTable.LoadWithDefault("milvus.password", "")
-	yml.Milvus.CACertPath = base.BaseTable.LoadWithDefault("milvus.tlsCertPath", "")
+	yml.Milvus.CACertPath = base.BaseTable.LoadWithDefault("milvus.caCertPath", "")
 	yml.Milvus.ServerName = base.BaseTable.LoadWithDefault("milvus.serverName", "localhost")
 	yml.Milvus.mtlsCertPath = base.BaseTable.LoadWithDefault("milvus.mtlsCertPath", "")
 	yml.Milvus.mtlsKeyPath = base.BaseTable.LoadWithDefault("milvus.mtlsKeyPath", "")
diff --git a/core/paramtable/base_table.go b/core/paramtable/base_table.go
index 1c31af0..2d278af 100644
--- a/core/paramtable/base_table.go
+++ b/core/paramtable/base_table.go
@@ -526,9 +526,9 @@ func (gp *BaseTable) loadMilvusConfig() {
 		_ = gp.Save("milvus.password", milvusPassword)
 	}
 
-	milvusTLSCertPath := os.Getenv("MILVUS_CA_CERT_PATH")
-	if milvusTLSCertPath != "" {
-		_ = gp.Save("milvus.caCertPath", milvusTLSCertPath)
+	milvusCACertPath := os.Getenv("MILVUS_CA_CERT_PATH")
+	if milvusCACertPath != "" {
+		_ = gp.Save("milvus.caCertPath", milvusCACertPath)
 	}
 
 	milvusServerName := os.Getenv("MILVUS_SERVER_NAME")