diff --git a/frameworks/inputmethod_ability/include/i_input_method_core.h b/frameworks/inputmethod_ability/include/i_input_method_core.h
index 112aaac..b75bd43 100644
--- a/frameworks/inputmethod_ability/include/i_input_method_core.h
+++ b/frameworks/inputmethod_ability/include/i_input_method_core.h
@@ -56,7 +56,7 @@ namespace MiscServices {
         virtual bool showKeyboard(const sptr<IInputDataChannel>& inputDataChannel) = 0;
         virtual bool hideKeyboard(int32_t flags) = 0;
         virtual int32_t setKeyboardType(const KeyboardType& type) = 0;
-        virtual int32_t getKeyboardWindowHeight(int32_t &retHeight) = 0;
+        virtual int32_t getKeyboardWindowHeight(int32_t *retHeight) = 0;
         virtual int32_t InitInputControlChannel(sptr<IInputControlChannel> &inputControlChannel) = 0;
         virtual void SetClientState(bool state) = 0;
         virtual void StopInputService(std::string imeId) = 0;
diff --git a/frameworks/inputmethod_ability/include/input_method_core_proxy.h b/frameworks/inputmethod_ability/include/input_method_core_proxy.h
index eec719f..f49f968 100644
--- a/frameworks/inputmethod_ability/include/input_method_core_proxy.h
+++ b/frameworks/inputmethod_ability/include/input_method_core_proxy.h
@@ -43,7 +43,7 @@ namespace MiscServices {
         bool showKeyboard(const sptr<IInputDataChannel>& inputDataChannel) override;
         bool hideKeyboard(int32_t flags) override;
         int32_t setKeyboardType(const KeyboardType& type) override;
-        int32_t getKeyboardWindowHeight(int32_t &retHeight) override;
+        int32_t getKeyboardWindowHeight(int32_t *retHeight) override;
         int32_t InitInputControlChannel(sptr<IInputControlChannel> &inputControlChannel) override;
         void SetClientState(bool state) override;
         void StopInputService(std::string imeId) override;
diff --git a/frameworks/inputmethod_ability/include/input_method_core_stub.h b/frameworks/inputmethod_ability/include/input_method_core_stub.h
index 0e68056..3d05c44 100644
--- a/frameworks/inputmethod_ability/include/input_method_core_stub.h
+++ b/frameworks/inputmethod_ability/include/input_method_core_stub.h
@@ -52,7 +52,7 @@ namespace MiscServices {
         bool showKeyboard(const sptr<IInputDataChannel>& inputDataChannel) override;
         bool hideKeyboard(int32_t flags)override;
         int32_t setKeyboardType(const KeyboardType& type) override;
-        int32_t getKeyboardWindowHeight(int32_t &retHeight) override;
+        int32_t getKeyboardWindowHeight(int32_t *retHeight) override;
         int32_t InitInputControlChannel(sptr<IInputControlChannel> &inputControlChannel) override;
         void SetClientState(bool state) override;
         void StopInputService(std::string imeId) override;
diff --git a/frameworks/inputmethod_ability/src/input_method_core_proxy.cpp b/frameworks/inputmethod_ability/src/input_method_core_proxy.cpp
index 1626863..f681f37 100644
--- a/frameworks/inputmethod_ability/src/input_method_core_proxy.cpp
+++ b/frameworks/inputmethod_ability/src/input_method_core_proxy.cpp
@@ -287,7 +287,7 @@ namespace MiscServices {
         return code;
     }
 
-    int32_t InputMethodCoreProxy::getKeyboardWindowHeight(int32_t &retHeight)
+    int32_t InputMethodCoreProxy::getKeyboardWindowHeight(int32_t *retHeight)
     {
         IMSA_HILOGI("InputMethodCoreProxy::getKeyboardWindowHeight");
         auto remote = Remote();
@@ -308,7 +308,7 @@ namespace MiscServices {
         if (code) {
             return code;
         }
-        retHeight = reply.ReadInt32();
+        *retHeight = reply.ReadInt32();
         return ErrorCode::NO_ERROR;
     }
 } // namespace MiscServices
diff --git a/frameworks/inputmethod_ability/src/input_method_core_stub.cpp b/frameworks/inputmethod_ability/src/input_method_core_stub.cpp
index e117853..c35831d 100644
--- a/frameworks/inputmethod_ability/src/input_method_core_stub.cpp
+++ b/frameworks/inputmethod_ability/src/input_method_core_stub.cpp
@@ -127,7 +127,7 @@ namespace MiscServices {
             }
             case GET_KEYBOARD_WINDOW_HEIGHT: {
                 int32_t retHeight = 0;
-                getKeyboardWindowHeight(retHeight);
+                getKeyboardWindowHeight(&retHeight);
                 reply.WriteNoException();
                 break;
             }
@@ -287,7 +287,7 @@ namespace MiscServices {
         msgHandler_->SendMessage(msg);
     }
 
-    int32_t InputMethodCoreStub::getKeyboardWindowHeight(int32_t &retHeight)
+    int32_t InputMethodCoreStub::getKeyboardWindowHeight(int32_t *retHeight)
     {
         IMSA_HILOGI("InputMethodCoreStub::getKeyboardWindowHeight");
         if (!msgHandler_) {
diff --git a/frameworks/inputmethod_controller/include/input_method_system_ability_proxy.h b/frameworks/inputmethod_controller/include/input_method_system_ability_proxy.h
index df30d91..b2f91d4 100644
--- a/frameworks/inputmethod_controller/include/input_method_system_ability_proxy.h
+++ b/frameworks/inputmethod_controller/include/input_method_system_ability_proxy.h
@@ -50,8 +50,8 @@ namespace MiscServices {
         int32_t Stop(sptr<InputClientStub> &client);
 
         void displayOptionalInputMethod(MessageParcel& data) override;
-        int32_t getDisplayMode(int32_t &retMode) override;
-        int32_t getKeyboardWindowHeight(int32_t &retHeight) override;
+        int32_t getDisplayMode(int32_t *retMode) override;
+        int32_t getKeyboardWindowHeight(int32_t *retHeight) override;
         int32_t getCurrentKeyboardType(KeyboardType *retType) override;
         int32_t listInputMethodEnabled(std::vector<InputMethodProperty*> *properties) override;
         int32_t listInputMethod(std::vector<InputMethodProperty*> *properties) override;
diff --git a/frameworks/inputmethod_controller/src/input_method_system_ability_proxy.cpp b/frameworks/inputmethod_controller/src/input_method_system_ability_proxy.cpp
index c639b6a..8db268a 100644
--- a/frameworks/inputmethod_controller/src/input_method_system_ability_proxy.cpp
+++ b/frameworks/inputmethod_controller/src/input_method_system_ability_proxy.cpp
@@ -255,7 +255,7 @@ namespace MiscServices {
         return NO_ERROR;
     }
 
-    int32_t InputMethodSystemAbilityProxy::getDisplayMode(int32_t &retMode)
+    int32_t InputMethodSystemAbilityProxy::getDisplayMode(int32_t *retMode)
     {
         MessageParcel data, reply;
         MessageOption option;
@@ -274,13 +274,13 @@ namespace MiscServices {
             return ret;
         }
 
-        if (!reply.ReadInt32(retMode)) {
+        if (!reply.ReadInt32(*retMode)) {
             return ERROR_STATUS_BAD_VALUE;
         }
         return NO_ERROR;
     }
 
-    int32_t InputMethodSystemAbilityProxy::getKeyboardWindowHeight(int32_t &retHeight)
+    int32_t InputMethodSystemAbilityProxy::getKeyboardWindowHeight(int32_t *retHeight)
     {
         MessageParcel data, reply;
         MessageOption option;
@@ -299,7 +299,7 @@ namespace MiscServices {
             return ret;
         }
 
-        if (!reply.ReadInt32(retHeight)) {
+        if (!reply.ReadInt32(*retHeight)) {
             return ERROR_STATUS_BAD_VALUE;
         }
         return NO_ERROR;
diff --git a/services/include/i_input_method_system_ability.h b/services/include/i_input_method_system_ability.h
index 53ea3ef..cb613a8 100644
--- a/services/include/i_input_method_system_ability.h
+++ b/services/include/i_input_method_system_ability.h
@@ -59,8 +59,8 @@ namespace MiscServices {
         virtual void HideCurrentInput(MessageParcel& data) = 0;
 
         virtual void displayOptionalInputMethod(MessageParcel& data) = 0;
-        virtual int32_t getDisplayMode(int32_t &retMode) = 0;
-        virtual int32_t getKeyboardWindowHeight(int32_t &retHeight) = 0;
+        virtual int32_t getDisplayMode(int32_t *retMode) = 0;
+        virtual int32_t getKeyboardWindowHeight(int32_t *retHeight) = 0;
         virtual int32_t getCurrentKeyboardType(KeyboardType *retType) = 0;
         virtual int32_t listInputMethodEnabled(std::vector<InputMethodProperty*> *properties) = 0;
         virtual int32_t listInputMethod(std::vector<InputMethodProperty*> *properties) = 0;
diff --git a/services/include/input_method_system_ability.h b/services/include/input_method_system_ability.h
index 784d2d4..e04eda7 100644
--- a/services/include/input_method_system_ability.h
+++ b/services/include/input_method_system_ability.h
@@ -47,8 +47,8 @@ namespace MiscServices {
 
         int32_t OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply,
                                 MessageOption &option) override;
-        int32_t getDisplayMode(int32_t &retMode) override;
-        int32_t getKeyboardWindowHeight(int32_t &retHeight) override;
+        int32_t getDisplayMode(int32_t *retMode) override;
+        int32_t getKeyboardWindowHeight(int32_t *retHeight) override;
         int32_t getCurrentKeyboardType(KeyboardType *retType) override;
         int32_t listInputMethodEnabled(std::vector<InputMethodProperty*> *properties) override;
         int32_t listInputMethod(std::vector<InputMethodProperty*> *properties) override;
diff --git a/services/include/peruser_session.h b/services/include/peruser_session.h
index 7d36c80..89a7fc8 100644
--- a/services/include/peruser_session.h
+++ b/services/include/peruser_session.h
@@ -107,7 +107,7 @@ namespace MiscServices {
         void OnPackageRemoved(const std::u16string& packageName);
 
         int GetDisplayMode();
-        int GetKeyboardWindowHeight(int &retHeight);
+        int GetKeyboardWindowHeight(int *retHeight);
         KeyboardType *GetCurrentKeyboardType();
 
         int OnSettingChanged(const std::u16string& key, const std::u16string& value);
diff --git a/services/include/peruser_setting.h b/services/include/peruser_setting.h
index c69298c..c6eba1d 100644
--- a/services/include/peruser_setting.h
+++ b/services/include/peruser_setting.h
@@ -39,8 +39,8 @@ namespace MiscServices {
         InputMethodSetting *GetInputMethodSetting();
         InputMethodProperty *GetInputMethodProperty(const std::u16string& imeId);
 
-        int32_t OnPackageAdded(std::u16string& packageName, bool &isSecurityIme);
-        int32_t OnPackageRemoved(std::u16string& packageName, bool &isSecurityIme);
+        int32_t OnPackageAdded(std::u16string& packageName, bool *isSecurityIme);
+        int32_t OnPackageRemoved(std::u16string& packageName, bool *isSecurityIme);
         int32_t OnSettingChanged(const std::u16string& key, const std::u16string& value);
         void OnAdvanceToNext();
         void OnUserLocked();
diff --git a/services/src/input_method_system_ability.cpp b/services/src/input_method_system_ability.cpp
index aa9ab40..7fac080 100644
--- a/services/src/input_method_system_ability.cpp
+++ b/services/src/input_method_system_ability.cpp
@@ -287,7 +287,7 @@ namespace MiscServices {
     \return ErrorCode::NO_ERROR no error
     \return ErrorCode::ERROR_USER_NOT_UNLOCKED user not unlocked
     */
-    int32_t InputMethodSystemAbility::getDisplayMode(int32_t &retMode)
+    int32_t InputMethodSystemAbility::getDisplayMode(int32_t *retMode)
     {
         int32_t uid = IPCSkeleton::GetCallingUid();
         int32_t userId = getUserId(uid);
@@ -301,7 +301,7 @@ namespace MiscServices {
             IMSA_HILOGI("InputMethodSystemAbility::getDisplayMode session is nullptr");
             return ErrorCode::ERROR_NULL_POINTER;
         }
-        retMode = session->GetDisplayMode();
+        *retMode = session->GetDisplayMode();
         return ErrorCode::NO_ERROR;
     }
 
@@ -311,7 +311,7 @@ namespace MiscServices {
     \return ErrorCode::NO_ERROR no error
     \return ErrorCode::ERROR_USER_NOT_UNLOCKED user not unlocked
     */
-    int32_t InputMethodSystemAbility::getKeyboardWindowHeight(int32_t &retHeight)
+    int32_t InputMethodSystemAbility::getKeyboardWindowHeight(int32_t *retHeight)
     {
         int32_t uid = IPCSkeleton::GetCallingUid();
         int32_t userId = getUserId(uid);
@@ -772,7 +772,7 @@ namespace MiscServices {
             return ErrorCode::ERROR_USER_NOT_UNLOCKED;
         }
         bool securityImeFlag = false;
-        int32_t ret = setting->OnPackageAdded(packageName, securityImeFlag);
+        int32_t ret = setting->OnPackageAdded(packageName, &securityImeFlag);
         if (ret != ErrorCode::NO_ERROR) {
             IMSA_HILOGI("End...\n");
             return ret;
@@ -826,7 +826,7 @@ namespace MiscServices {
         }
         session->OnPackageRemoved(packageName);
         bool securityImeFlag = false;
-        int32_t ret = setting->OnPackageRemoved(packageName, securityImeFlag);
+        int32_t ret = setting->OnPackageRemoved(packageName, &securityImeFlag);
         if (ret != ErrorCode::NO_ERROR) {
             IMSA_HILOGI("End...\n");
             return ret;
diff --git a/services/src/input_method_system_ability_stub.cpp b/services/src/input_method_system_ability_stub.cpp
index 2dd37f0..0f50fab 100644
--- a/services/src/input_method_system_ability_stub.cpp
+++ b/services/src/input_method_system_ability_stub.cpp
@@ -69,7 +69,7 @@ namespace MiscServices {
             }
             case GET_DISPLAY_MODE: {
                 int32_t mode = 0;
-                int32_t status = getDisplayMode(mode);
+                int32_t status = getDisplayMode(&mode);
                 if (status == ErrorCode::NO_ERROR) {
                     reply.WriteInt32(NO_ERROR);
                     reply.WriteInt32(mode);
@@ -81,7 +81,7 @@ namespace MiscServices {
             }
             case GET_KEYBOARD_WINDOW_HEIGHT: {
                 int32_t height = 0;
-                int32_t status = getKeyboardWindowHeight(height);
+                int32_t status = getKeyboardWindowHeight(&height);
                 if (status == ErrorCode::NO_ERROR) {
                     reply.WriteInt32(NO_ERROR);
                     reply.WriteInt32(height);
diff --git a/services/src/peruser_session.cpp b/services/src/peruser_session.cpp
index 1f87733..973b8c8 100644
--- a/services/src/peruser_session.cpp
+++ b/services/src/peruser_session.cpp
@@ -546,7 +546,7 @@ namespace MiscServices {
     \param[out] retHeight the height of keyboard window showing or showed returned to caller
     \return ErrorCode
     */
-    int PerUserSession::GetKeyboardWindowHeight(int &retHeight)
+    int PerUserSession::GetKeyboardWindowHeight(int *retHeight)
     {
         if (imsCore[lastImeIndex]) {
             int ret = imsCore[lastImeIndex]->getKeyboardWindowHeight(retHeight);
diff --git a/services/src/peruser_setting.cpp b/services/src/peruser_setting.cpp
index 2fc1d64..a945e2e 100644
--- a/services/src/peruser_setting.cpp
+++ b/services/src/peruser_setting.cpp
@@ -76,10 +76,10 @@ namespace MiscServices {
       * ErrorCode::ERROR_NOT_IME_PACKAGE The installed package is not an IME package.
       * ErrorCode::ERROR_IME_PACKAGE_DUPLICATED The installed package is duplicated.
      */
-    int PerUserSetting::OnPackageAdded(std::u16string& packageName, bool &isSecurityIme)
+    int PerUserSetting::OnPackageAdded(std::u16string& packageName, bool *isSecurityIme)
     {
-        if (isSecurityIme) {
-            isSecurityIme = false;
+        if (*isSecurityIme) {
+            *isSecurityIme = false;
         }
         std::u16string imeId = GetImeId(packageName);
         if (imeId.size()) {
@@ -97,8 +97,8 @@ namespace MiscServices {
         }
         inputMethodProperties.push_back(property);
         if (CheckIfSecurityIme(*property)) {
-            if (isSecurityIme) {
-                isSecurityIme = true;
+            if (*isSecurityIme) {
+                *isSecurityIme = true;
             }
             return ErrorCode::NO_ERROR;
         }
@@ -126,7 +126,7 @@ namespace MiscServices {
      * and is removed from the input method management system
      * ErrorCode::ERROR_NOT_IME_PACKAGE The removed package is not an IME package.
      */
-    int PerUserSetting::OnPackageRemoved(std::u16string& packageName, bool &isSecurityIme)
+    int PerUserSetting::OnPackageRemoved(std::u16string& packageName, bool *isSecurityIme)
     {
         if (isSecurityIme) {
             isSecurityIme = false;