diff --git a/test/unittest/common/src/system_info.cpp b/test/unittest/common/src/system_info.cpp
index 9dfff775a82c7975656af6b1469778f4f8727e98..97784bbb36340299ab7a06865d8c3779e01d40dd 100644
--- a/test/unittest/common/src/system_info.cpp
+++ b/test/unittest/common/src/system_info.cpp
@@ -67,6 +67,7 @@ int32_t CpuInfo::GetTaskPidFile(const std::string& process_name)
         std::string strLine;
         if (!std::getline(filePath, strLine)) {
             SEN_HILOGE("getline fail");
+            filePath.close();
             continue;
         }
         if (strLine.empty()) {