diff --git a/README_zh.md b/README_zh.md
index 595bb6bb13868a8f73780f138640126ec3d1e897..4f12044fc8ba2443dea6f5ce76d86b29c444a684 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -10,7 +10,7 @@
 
 ## 简介<a name="section11660541593"></a>
 
-图形服务采用C/S架构，内部分为窗口管理（WMS: Window Manager Service）和输入事件管理（IMS: Input Manger Service）两个子服务。APP调用客户端接口完成窗口状态获取、事件处理等操作，服务端与硬件交互实现送显、输入事件分发等。
+图形服务采用C/S架构，内部分为窗口管理（WMS: Window Manager Service）和输入事件管理（IMS: Input Manager Service）两个子服务。APP调用客户端接口完成窗口状态获取、事件处理等操作，服务端与硬件交互实现送显、输入事件分发等。
 
 -   WMS：窗口管理服务对不同APP的窗口进行统一管理、合成。窗口与UI组件中的RootView呈一一对应的关系；
 -   IMS：输入事件管理服务对接底层输入事件驱动框架，对输入事件进行监听和分发。
diff --git a/frameworks/ims/input_event_client_proxy.h b/frameworks/ims/input_event_client_proxy.h
index 610280c1cbecb8a7e35b41e6d95c0075c3e7ac3d..29fc3cbaf227db687c0b72f573f9133da86954d3 100755
--- a/frameworks/ims/input_event_client_proxy.h
+++ b/frameworks/ims/input_event_client_proxy.h
@@ -13,8 +13,8 @@
  * limitations under the License.
  */
 
-#ifndef GRAPHIC_LITE_IMS_LISTERNER_PROXY_H
-#define GRAPHIC_LITE_IMS_LISTERNER_PROXY_H
+#ifndef GRAPHIC_LITE_INPUT_EVENT_PROXY_H
+#define GRAPHIC_LITE_INPUT_EVENT_PROXY_H
 
 #include "input_event_distributer.h"
 #include "gfx_utils/input_event_info.h"
diff --git a/interfaces/innerkits/lite_wm_type.h b/interfaces/innerkits/lite_wm_type.h
index 33bba79b0a05d315b6c0595c113002f5958d4d75..41640d464de9a3b05f7487b432488fb69845b3a0 100755
--- a/interfaces/innerkits/lite_wm_type.h
+++ b/interfaces/innerkits/lite_wm_type.h
@@ -67,7 +67,7 @@ typedef enum {
 
 typedef enum {
     LiteWMS_EOK = 0,
-    LiteWMS_EUNKONW
+    LiteWMS_EUNKNOWN
 } LiteWMSErrorCode;
 
 struct CallBackPara {
diff --git a/services/ims/input_event_distributer.h b/services/ims/input_event_distributer.h
index 1bb659626492ad179286e540feade1b487e407ea..5b83133118c0949e0bcf757a67d8322a0702713a 100755
--- a/services/ims/input_event_distributer.h
+++ b/services/ims/input_event_distributer.h
@@ -32,7 +32,7 @@ public:
      * @brief Distribute input events.
      *
      * @param [in] events events waiting for distribution.
-     * @param [in] size totoal size of events.
+     * @param [in] size total size of events.
      *
      */
     void Distribute(const RawEvent* events, int32_t size);
diff --git a/services/ims/input_event_hub.h b/services/ims/input_event_hub.h
index 784e6ec668b0ee67c6a0599157b97f0d367504a4..76008e0df432c5d5883129b3a7c57055c659a8a6 100644
--- a/services/ims/input_event_hub.h
+++ b/services/ims/input_event_hub.h
@@ -48,7 +48,7 @@ public:
      *
      * @param [in] callback callback of read callback.
      *
-     * @returns return -1: register callbacke failed; return 0: register success.
+     * @returns return -1: register callback failed; return 0: register success.
      */
     int32_t RegisterReadCallback(ReadCallback callback)
     {
diff --git a/services/wms/lite_win.cpp b/services/wms/lite_win.cpp
index d8b842c7a293615642436ae01baf8f99bc9a4bbb..2164d27edded1017300816f3f0fff33634bde1da 100644
--- a/services/wms/lite_win.cpp
+++ b/services/wms/lite_win.cpp
@@ -196,7 +196,7 @@ void LiteWindow::FlushWithModeBlend(const Rect& srcRect, const LiteSurfaceData*
             PF_ARGB1555* dst = reinterpret_cast<PF_ARGB1555*>(tmpDst);
             if (dst->alpha == 0) {
                 if (alpha) {
-                    // ARGB8888 to ARGB1555, R/G/B shoud right shift 3 bits
+                    // ARGB8888 to ARGB1555, R/G/B should right shift 3 bits
                     dst->red = (tmpSrc->red * alpha / OPA_OPAQUE) >> 3;
                     dst->green = (tmpSrc->green * alpha / OPA_OPAQUE) >> 3;
                     dst->blue = (tmpSrc->blue * alpha / OPA_OPAQUE) >> 3;
diff --git a/services/wms/lite_wms.cpp b/services/wms/lite_wms.cpp
index 83452ddde95bda3220129d1b878400ef89fa5706..5dc6bef71ab40d8a35904e4997a19bdaedacb1f4 100755
--- a/services/wms/lite_wms.cpp
+++ b/services/wms/lite_wms.cpp
@@ -201,7 +201,7 @@ void LiteWMS::Screenshot(IpcIo* req, IpcIo* reply)
 {
     Surface* surface = SurfaceImpl::GenericSurfaceByIpcIo(*req);
     bool ret = LiteWM::GetInstance()->OnScreenshot(surface);
-    IpcIoPushInt32(reply, ret ? LiteWMS_EOK : LiteWMS_EUNKONW);
+    IpcIoPushInt32(reply, ret ? LiteWMS_EOK : LiteWMS_EUNKNOWN);
 }
 
 void LiteWMS::ClientRegister(const void* origin, IpcIo* req, IpcIo* reply)