diff --git a/services/updater_binary/update_partitions.cpp b/services/updater_binary/update_partitions.cpp
index 4dd76aea1e5c0be5863df6d9e40cd68130e6f1fd..b200a450d067cdab64f9064cdbfd6134c4247bfd 100644
--- a/services/updater_binary/update_partitions.cpp
+++ b/services/updater_binary/update_partitions.cpp
@@ -132,6 +132,12 @@ int UpdatePartitions::ParsePartitionInfo(const std::string &partitionInfo, Parti
 int UpdatePartitions::DoNewPartitions(PartitonList &newPartList)
 {
     int ret = DoPartitions(newPartList);
+    for (auto &partition : newPartList) {
+        if (paritition != nullptr) {
+            free(paritition);
+            paritition = nullptr;
+        }
+    };
     newPartList.clear();
     if (ret <= 0) {
         LOG(INFO) << "do_partitions FAIL ";