diff --git a/frameworks/inputmethod_ability/src/event_target.cpp b/frameworks/inputmethod_ability/src/event_target.cpp
index bd50e02..fc83bcc 100644
--- a/frameworks/inputmethod_ability/src/event_target.cpp
+++ b/frameworks/inputmethod_ability/src/event_target.cpp
@@ -22,6 +22,7 @@
 namespace OHOS {
 namespace MiscServices {
     struct EventListener {
+        int LISTENER_TYPTE_MAX_LENGTH = 64;
         char type[LISTENER_TYPTE_MAX_LENGTH] = { 0 };
         bool isOnce = false;
         napi_ref handlerRef = nullptr;
diff --git a/services/src/peruser_session.cpp b/services/src/peruser_session.cpp
index e8253c3..f039367 100644
--- a/services/src/peruser_session.cpp
+++ b/services/src/peruser_session.cpp
@@ -43,7 +43,6 @@ namespace MiscServices {
     {
         userId_ = userId;
         msgId_ = msgId;
-        imsChannel = nullptr;
     }
 
     RemoteObjectDeathRecipient::~RemoteObjectDeathRecipient()
diff --git a/services/src/peruser_setting.cpp b/services/src/peruser_setting.cpp
index ee60d2c..574d921 100644
--- a/services/src/peruser_setting.cpp
+++ b/services/src/peruser_setting.cpp
@@ -12,7 +12,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+
+#include "unistd.h" // usleep
 #include "peruser_setting.h"
 #include "platform.h"
 #include "utils.h"