diff --git a/components/shell/src/base/shmsg.c b/components/shell/src/base/shmsg.c
index 67a82aaf..f30472e4 100644
--- a/components/shell/src/base/shmsg.c
+++ b/components/shell/src/base/shmsg.c
@@ -157,6 +157,7 @@ STATIC VOID ParseAndExecCmdline(CmdParsed *cmdParsed, const CHAR *cmdline, UINT3
     ret = ShellMsgTypeGet(cmdParsed, cmdName);
     if (ret != LOS_OK) {
         PRINTK("%s:command not found\n", cmdName);
+        free(cmdName);
         return;
     }