diff --git a/zh-cn/device-dev/driver/driver-platform-watchdog-des.md b/zh-cn/device-dev/driver/driver-platform-watchdog-des.md
index fcc46c34fcc16906c9f15e55016aea94513f3f58..5028b9c5b7d7df285bb8c98e1790eab8dd28d8e2 100644
--- a/zh-cn/device-dev/driver/driver-platform-watchdog-des.md
+++ b/zh-cn/device-dev/driver/driver-platform-watchdog-des.md
@@ -541,12 +541,12 @@ static int32_t TestCaseWatchdog(void)
 
     /* 接下来持续不喂狗，使得看门狗计时器超时 */
     for (i = 0; i < WATCHDOG_TEST_FEED_TIME; i++) {
-        HDF_LOGE("%s: watiting dog buck %d times... \n", __func__, i);
+        HDF_LOGE("%s: watiting dog back %d times... \n", __func__, i);
         OsalSleep(1);
     }
 
     /* 当不喂狗时间到达之前设定的超时时间的时候，系统会发生复位，理论上观察不到此日志的打印 */
-    HDF_LOGE("%s: dog has't buck!!! \n", __func__, i);
+    HDF_LOGE("%s: dog hasn't back!!! \n", __func__, i);
     WatchdogClose(handle);
     return -1;
 }