diff --git a/services/miscdevice_service/src/miscdevice_dump.cpp b/services/miscdevice_service/src/miscdevice_dump.cpp
index d9a0d5d146fa3b09d62e5e30b3de24f8aab77a99..eb3822a53b67a4e72b6a799554e50cc383364de0 100644
--- a/services/miscdevice_service/src/miscdevice_dump.cpp
+++ b/services/miscdevice_service/src/miscdevice_dump.cpp
@@ -115,7 +115,9 @@ void MiscdeviceDump::ParseCommand(int32_t fd, const std::vector<std::string>& ar
     }
     RELEASE_RES:
     for (size_t i = 0; i < args.size(); ++i) {
-        delete[] argv[i];
+        if (argv[i] != nullptr) {
+            delete[] argv[i];
+        }
     }
     delete[] argv;
 }