diff --git a/frameworks/src/bundle_test_tool.cpp b/frameworks/src/bundle_test_tool.cpp
index 70b8cc14ec679bf6396d278d93baac986c5a7f19..dfa52926caf9315abab71595604736047a62508a 100644
--- a/frameworks/src/bundle_test_tool.cpp
+++ b/frameworks/src/bundle_test_tool.cpp
@@ -5626,7 +5626,13 @@ ErrCode BundleTestTool::RunAsGetBundleNamesForUidExtCommand()
     ErrCode result = ERR_OK;
     auto bundleMgrExtProxy = bundleMgrProxy_->GetBundleMgrExtProxy();
     if (bundleMgrExtProxy != nullptr) {
-        result = bundleMgrExtProxy->GetBundleNamesForUidExt(std::stoi(uid), bundleNames);
+        int32_t uidInt = 0;
+        if (StrToInt(uid, uidInt)) {
+            result = bundleMgrExtProxy->GetBundleNamesForUidExt(uidInt, bundleNames);
+        } else {
+            APP_LOGI("Failed to convert uid");
+            return OHOS::ERR_INVALID_VALUE;
+        }
     }
     if (result == ERR_OK) {
         resultReceiver_.append("GetBundleNamesForUidExt success");