diff --git a/services/hilogd/log_persister_rotator.cpp b/services/hilogd/log_persister_rotator.cpp
index 67e098206d701ae134c8f1fb2738bd7cd8d6b790..37d37aa94a98c5e2aeb9fc4ea0046316a49a7c31 100644
--- a/services/hilogd/log_persister_rotator.cpp
+++ b/services/hilogd/log_persister_rotator.cpp
@@ -41,7 +41,7 @@ void LogPersisterRotator::Init()
             mkdir(fileName.substr(0, nPos).c_str(), S_IRUSR | S_IWUSR | S_IXUSR | S_IRWXG | S_IRWXO);
         }
     }
-    fdinfo = fopen((mmapPath + ".info").c_str(), "w+");
+    fdinfo = fopen((mmapPath + ".info").c_str(), "r+");
 }
 
 int LogPersisterRotator::Input(const char *buf, uint32_t length)