diff --git a/OAT.xml b/OAT.xml
index 19ee0666733178db366902b24c36a388d64b5a50..2dafb6962832e87b956156936eb4fb35acc67563 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -23,7 +23,7 @@
         <policylist>
             <policy name="projectPolicy" desc="">
                 <policyitem type="copyright" name="Huawei Technologies Co., Ltd. All rights reserved." path=".*" desc="original liteos copyright"/>
-                <policyitem type="license" name="BSD-3-Clause" path=".*" desc="Liteos kernel use bsd3 license"/>
+                <policyitem type="license" name="BSD-3-Clause" path=".*" desc="LiteOS kernel use bsd3 license"/>
             </policy>
         </policylist>
         <filefilterlist>
diff --git a/SmartL_E802/liteos_m/board/main.c b/SmartL_E802/liteos_m/board/main.c
index 247c54738d9be7dfe8fdf98004be08fc5967a36c..002b4718cce382b04be49dace25a9252f7526dff 100644
--- a/SmartL_E802/liteos_m/board/main.c
+++ b/SmartL_E802/liteos_m/board/main.c
@@ -53,7 +53,7 @@ LITE_OS_SEC_TEXT_INIT int main(void)
     uart_early_init();
     ret = LOS_KernelInit();
     if (ret != LOS_OK) {
-        printf("Liteos kernel init failed! ERROR: 0x%x\n", ret);
+        printf("LiteOS kernel init failed! ERROR: 0x%x\n", ret);
     }
     FileSystemInit();
 
diff --git a/arm_mps2_an386/liteos_m/board/main.c b/arm_mps2_an386/liteos_m/board/main.c
index 4f72f8c882ece26b794eb3288655c05f78a81733..b1d8f716523ca8ce6c16b7c30c485ee22b4e86e4 100644
--- a/arm_mps2_an386/liteos_m/board/main.c
+++ b/arm_mps2_an386/liteos_m/board/main.c
@@ -52,7 +52,7 @@ LITE_OS_SEC_TEXT_INIT int main(void)
 
     ret = LOS_KernelInit();
     if (ret != LOS_OK) {
-        printf("Liteos kernel init failed! ERROR: 0x%x\n", ret);
+        printf("LiteOS kernel init failed! ERROR: 0x%x\n", ret);
         goto EXIT;
     }
 
diff --git a/arm_mps3_an547/liteos_m/board/main.c b/arm_mps3_an547/liteos_m/board/main.c
index 98bc403e0a59c2aaad632b4b6693d007e76e6986..ed4241dfc0b4cd3bcbc5ba61c55f6bac79373089 100644
--- a/arm_mps3_an547/liteos_m/board/main.c
+++ b/arm_mps3_an547/liteos_m/board/main.c
@@ -63,7 +63,7 @@ LITE_OS_SEC_TEXT_INIT int main(void)
 
     ret = LOS_KernelInit();
     if (ret != LOS_OK) {
-        printf("Liteos kernel init failed! ERROR: %u\n", ret);
+        printf("LiteOS kernel init failed! ERROR: %u\n", ret);
         goto EXIT;
     }
 
diff --git a/arm_virt/liteos_a/board/os_adapt/os_adapt.c b/arm_virt/liteos_a/board/os_adapt/os_adapt.c
index 335d86e16864fa368ef71d0bbd31438443266191..4bae33bb62a9219cf35099be7e798403479054d4 100644
--- a/arm_virt/liteos_a/board/os_adapt/os_adapt.c
+++ b/arm_virt/liteos_a/board/os_adapt/os_adapt.c
@@ -128,7 +128,7 @@ void SystemInit(void)
 #endif
     dprintf("OsUserInitProcess start ...\n");
     if (OsUserInitProcess()) {
-        PRINT_ERR("Create user init process faialed!\n");
+        PRINT_ERR("Create user init process failed!\n");
         return;
     }
     dprintf("OsUserInitProcess end ...\n");
diff --git a/esp32/liteos_m/board/hals/driver/hal_watchdog.c b/esp32/liteos_m/board/hals/driver/hal_watchdog.c
index bd6f81a6e77513f2c0071f94c15ea5634437a6d3..85a50fa257baf65374fd1c9cfbb4b56659d8d8e7 100644
--- a/esp32/liteos_m/board/hals/driver/hal_watchdog.c
+++ b/esp32/liteos_m/board/hals/driver/hal_watchdog.c
@@ -37,8 +37,8 @@ VOID WdtEnable(VOID)
         return;
     }
 
-    if (REG32_READ(RTC_WDT_PROTECT) != WDT_WRWITE_MASK) {
-        REG32_WRITE(RTC_WDT_PROTECT, WDT_WRWITE_MASK);
+    if (REG32_READ(RTC_WDT_PROTECT) != WDT_WRITE_MASK) {
+        REG32_WRITE(RTC_WDT_PROTECT, WDT_WRITE_MASK);
     }
 
     REG32_WRITE(RTC_WDT_FEED, (1 << RTC_CNTL_WDT_FEED));
@@ -52,8 +52,8 @@ VOID WdtEnable(VOID)
 
 VOID WdtDisable(VOID)
 {
-    if (REG32_READ(RTC_WDT_PROTECT) != WDT_WRWITE_MASK) {
-        REG32_WRITE(RTC_WDT_PROTECT, WDT_WRWITE_MASK);
+    if (REG32_READ(RTC_WDT_PROTECT) != WDT_WRITE_MASK) {
+        REG32_WRITE(RTC_WDT_PROTECT, WDT_WRITE_MASK);
     }
     REG32_WRITE(RTC_WDT_FEED, (1 << RTC_CNTL_WDT_FEED));
     REG32_WRITE(RTC_WDT_CFG0, (0 << RTC_CNTL_WDT_STG0));
@@ -65,8 +65,8 @@ VOID WdtDisable(VOID)
 
 VOID WdtFeed(VOID)
 {
-    if (REG32_READ(RTC_WDT_PROTECT) != WDT_WRWITE_MASK) {
-        REG32_WRITE(RTC_WDT_PROTECT, WDT_WRWITE_MASK);
+    if (REG32_READ(RTC_WDT_PROTECT) != WDT_WRITE_MASK) {
+        REG32_WRITE(RTC_WDT_PROTECT, WDT_WRITE_MASK);
     }
     REG32_WRITE(RTC_WDT_FEED, (1 << RTC_CNTL_WDT_FEED));
     REG32_WRITE(RTC_WDT_PROTECT, 0);
diff --git a/esp32/liteos_m/board/hals/driver/hal_watchdog.h b/esp32/liteos_m/board/hals/driver/hal_watchdog.h
index 380cb0362b790f0fddb50b5432abee5641d8f56b..82438d59a20026a168a7048e357628e6405721c4 100644
--- a/esp32/liteos_m/board/hals/driver/hal_watchdog.h
+++ b/esp32/liteos_m/board/hals/driver/hal_watchdog.h
@@ -40,7 +40,7 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-#define WDT_WRWITE_MASK                0x50d83aa1
+#define WDT_WRITE_MASK                 0x50d83aa1
 #define RTC_CNTL                       0x3ff48000
 #define RTC_WDT_PROTECT                0x3ff480a4
 #define RTC_WDT_CFG0                   0x3ff4808c
diff --git a/esp32/liteos_m/board/main.c b/esp32/liteos_m/board/main.c
index 5409d16b056aaeda52a361d56d573703ec99d560..c6e17a85a9f59efff43c3b182dd04e0b10923e55 100644
--- a/esp32/liteos_m/board/main.c
+++ b/esp32/liteos_m/board/main.c
@@ -56,7 +56,7 @@ INT32 main(VOID)
 
     ret = LOS_KernelInit();
     if (ret != LOS_OK) {
-        printf("Liteos kernel init failed! ERROR: 0x%x\n", ret);
+        printf("LiteOS kernel init failed! ERROR: 0x%x\n", ret);
     }
     FileSystemInit();
 
diff --git a/riscv32_virt/liteos_m/board/main.c b/riscv32_virt/liteos_m/board/main.c
index b556b6ae590cd0626164731e49b2dc7d0be49925..e13ce07746cb6b3662ade579c4cd5d7dac83becf 100644
--- a/riscv32_virt/liteos_m/board/main.c
+++ b/riscv32_virt/liteos_m/board/main.c
@@ -116,7 +116,7 @@ LITE_OS_SEC_TEXT_INIT INT32 main(VOID)
 
     ret = LOS_KernelInit();
     if (ret != LOS_OK) {
-        PRINT_ERR("Liteos kernel init failed! ERROR: 0x%x\n", ret);
+        PRINT_ERR("LiteOS kernel init failed! ERROR: 0x%x\n", ret);
         goto START_FAILED;
     }
 
diff --git a/riscv32_virt/liteos_m/board/ui/fbdev.cpp b/riscv32_virt/liteos_m/board/ui/fbdev.cpp
index 6f30374b57c52c1f10cdf7124d8ba4b32770ad5d..157211e032177fde30156ee43d3a8483736f03d7 100644
--- a/riscv32_virt/liteos_m/board/ui/fbdev.cpp
+++ b/riscv32_virt/liteos_m/board/ui/fbdev.cpp
@@ -32,7 +32,7 @@ struct DisplayDesc {
 
 static LayerInfo g_layerInfo = {};
 static DisplayDesc g_display = {};
-constexpr const uint8_t DISPALY_DEV_ID = 0;
+constexpr const uint8_t DISPLAY_DEV_ID = 0;
 #ifdef LAYER_PF_ARGB1555
 constexpr const uint8_t LAYER_BPP = 16;
 constexpr const PixelFormat HDI_LAYER_PIXEL_FORMAT = PIXEL_FMT_RGBA_5551;
@@ -75,7 +75,7 @@ static void DisplayInit(void)
         return;
     }
     if (g_display.layerFuncs->InitDisplay != nullptr) {
-        ret = g_display.layerFuncs->InitDisplay(DISPALY_DEV_ID);
+        ret = g_display.layerFuncs->InitDisplay(DISPLAY_DEV_ID);
         if (ret != DISPLAY_SUCCESS) {
             GRAPHIC_LOGE("InitDisplay fail");
             return;
@@ -88,7 +88,7 @@ static void OpenLayer(void)
     if (g_display.layerFuncs->GetDisplayInfo == nullptr) {
         return;
     }
-    g_display.devId = DISPALY_DEV_ID;
+    g_display.devId = DISPLAY_DEV_ID;
     DisplayInfo displayInfo = {};
     int32_t ret = g_display.layerFuncs->GetDisplayInfo(g_display.devId, &displayInfo);
     if (ret != DISPLAY_SUCCESS) {