diff --git a/hievent/src/hievent_driver.c b/hievent/src/hievent_driver.c
index 1f46d4f3b380e1a486436dd3329a0f6f82b1ea6e..9d0550be85127fcc9819128c96b47e66ce4ec240 100644
--- a/hievent/src/hievent_driver.c
+++ b/hievent/src/hievent_driver.c
@@ -201,6 +201,13 @@ static ssize_t HieventRead(struct file *filep, char *buffer, size_t bufLen)
 
     retval = header.len + sizeof(header);
 out:
+    if (retval == -ENOMEM) {
+        // clean ring buffer
+        g_hieventDev.writeOffset = 0;
+        g_hieventDev.headOffset = 0;
+        g_hieventDev.size = 0;
+        g_hieventDev.count = 0;
+    }
     (VOID)LOS_MuxRelease(&g_hieventDev.mtx);
     return retval;