diff --git a/README.md b/README.md
index b18541f384c87ef4cce0ce7bcc8e671408103604..76110789e882b17302a0afa8279e3821f5a34021 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ This repository stores the core source code information of the OpenHarmony drive
 │   ├── display    # Display framework module
 │   ├── input      # Input framework module
 │   ├── network    # WLAN framework module
-│   └── sensor    # Sensor driver module
+│   └── sensor     # Sensor driver module
 ├── support        # Basic capabilities
 │   └── platform   # Platform driver framework and APIs, including GPIO, I2C, and SPI
 ├── tools          # Source code related to the tools of the HDF
@@ -152,13 +152,13 @@ For details, see  [WLAN Overview](en-us_topic_0000001051643558.md).
 
 ## Repositories Involved<a name="section1371113476307"></a>
 
-Driver subsystem
+[Driver subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/driver-subsystem.md)
 
-hmf/drivers/framework
+drivers\_framework
 
-hmf/drivers/adapter\_uhdf
+[drivers\_adapter\_uhdf](https://gitee.com/openharmony/drivers_adapter_uhdf/blob/master/README.md)
 
-hmf/drivers/adapter\_khdf\_linux
+[drivers\_adapter\_khdf\_linux](https://gitee.com/openharmony/drivers_adapter_uhdf/blob/master/README.md)
 
-hmf/drivers/adapter\_khdf\_liteos
+[drivers\_adapter\_khdf\_liteos](https://gitee.com/openharmony/drivers_adapter_uhdf/blob/master/README.md)
 
diff --git a/README_zh.md b/README_zh.md
index 901f5ecac49093d727d5c8aef39459d166b9e2e0..e9d3ef0df4f747db495cc57d31725664d052de38 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -152,15 +152,15 @@ HDF驱动框架详细开发请参考[驱动开发指南](zh-cn_topic_00000010516
 
 ## 相关仓<a name="section1371113476307"></a>
 
-驱动子系统
+[驱动子系统](https://gitee.com/openharmony/docs/blob/master/zh-cn/readme/%E9%A9%B1%E5%8A%A8%E5%AD%90%E7%B3%BB%E7%BB%9F.md)
 
-hmf/drivers/framework
+drivers\_framework
 
-hmf/drivers/adapter\_uhdf
+[drivers\_adapter\_uhdf](https://gitee.com/openharmony/drivers_adapter_uhdf/blob/master/README_zh.md)
 
-hmf/drivers/adapter\_khdf\_linux
+[drivers\_adapter\_khdf\_linux](https://gitee.com/openharmony/drivers_adapter_khdf_linux/blob/master/README_zh.md)
 
-hmf/drivers/adapter\_khdf\_liteos
+[drivers\_adapter\_khdf\_liteos](https://gitee.com/openharmony/drivers_adapter_khdf_liteos/blob/master/README_zh.md)
 
 <a name="table19581927144220"></a>
 <table><tbody></tbody>
diff --git a/core/common/src/devmgr_service_start.c b/core/common/src/devmgr_service_start.c
index a1c78200266a2c74fae3151e5bb4fdfd5109db95..143e05cc5a59c7b737c96d70bb62b21e8a384b30 100644
--- a/core/common/src/devmgr_service_start.c
+++ b/core/common/src/devmgr_service_start.c
@@ -27,7 +27,7 @@ static void GetDeviceServiceNameByClass(DeviceClass deviceClass, struct HdfSBuf
     struct HdfDeviceInfo *deviceInfo = NULL;
     struct DevHostServiceClnt *hostClnt = NULL;
     struct DevmgrService *devMgrSvc = (struct DevmgrService *)DevmgrServiceGetInstance();
-    if (devMgrSvc == NULL) {
+    if (devMgrSvc == NULL || reply == NULL) {
         return;
     }
 
@@ -53,7 +53,6 @@ static void GetDeviceServiceNameByClass(DeviceClass deviceClass, struct HdfSBuf
 
 int DeviceManagerDispatch(struct HdfObject *stub, int code, struct HdfSBuf *data, struct HdfSBuf *reply)
 {
-    (void)reply;
     int ret = HDF_FAILURE;
     int32_t deviceClass = 0;
     const char *svcName = NULL;
diff --git a/support/posix/src/osal_time.c b/support/posix/src/osal_time.c
index ad0429d4a184ba986b13baef49384d53579c8b88..12bec4d58ffc3ed4ec476dc29702630af0dd2013 100644
--- a/support/posix/src/osal_time.c
+++ b/support/posix/src/osal_time.c
@@ -21,13 +21,13 @@ int32_t OsalGetTime(OsalTimespec *time)
     struct timeval tv;
 
     if (time == NULL) {
-        HDF_LOGE("%{public}s invalid para", __func__);
+        HDF_LOGE("%s invalid para", __func__);
         return HDF_ERR_INVALID_PARAM;
     }
 
     (void)memset_s(&tv, sizeof(tv), 0, sizeof(tv));
     if (gettimeofday(&tv, NULL) != 0) {
-        HDF_LOGE("%{public}s gettimeofday failed", __func__);
+        HDF_LOGE("%s gettimeofday failed", __func__);
         return HDF_FAILURE;
     }
     time->sec = tv.tv_sec;
@@ -41,12 +41,12 @@ int32_t OsalDiffTime(const OsalTimespec *start, const OsalTimespec *end, OsalTim
     uint32_t usec = 0;
     uint32_t sec = 0;
     if (start == NULL || end == NULL || diff == NULL) {
-        HDF_LOGE("%{public}s invalid para", __func__);
+        HDF_LOGE("%s invalid para", __func__);
         return HDF_ERR_INVALID_PARAM;
     }
 
     if (start->sec > end->sec) {
-        HDF_LOGE("%{public}s start time later then end time", __func__);
+        HDF_LOGE("%s start time later then end time", __func__);
         return HDF_ERR_INVALID_PARAM;
     }
 
@@ -74,7 +74,7 @@ void OsalMSleep(uint32_t ms)
     ts.tv_nsec = HDF_KILO_UNIT * HDF_KILO_UNIT * ((long)(ms % HDF_KILO_UNIT));
     result = nanosleep(&ts, &ts);
     if (result != 0) {
-        HDF_LOGE("%{public}s OsalMSleep failed %{public}d", __func__, errno);
+        HDF_LOGE("%s OsalMSleep failed %d", __func__, errno);
     }
 }
 
@@ -94,7 +94,7 @@ uint64_t OsalGetSysTimeMs()
 
     (void)memset_s(&tv, sizeof(tv), 0, sizeof(tv));
     if (gettimeofday(&tv, NULL) != 0) {
-        HDF_LOGE("%{public}s gettimeofday failed", __func__);
+        HDF_LOGE("%s gettimeofday failed", __func__);
         return 0;
     }