diff --git a/app/build.gradle b/app/build.gradle
index 55004f1..dba617c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,7 +10,7 @@ android {
         minSdkVersion 15
         targetSdkVersion 26
         versionCode 1
-        versionName "1.4.3"
+        versionName "1.4.4"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
         ndk {
diff --git a/app/src/main/java/com/qhclh/ytzh/work/WorkFragment.java b/app/src/main/java/com/qhclh/ytzh/work/WorkFragment.java
index df56266..6283aa1 100644
--- a/app/src/main/java/com/qhclh/ytzh/work/WorkFragment.java
+++ b/app/src/main/java/com/qhclh/ytzh/work/WorkFragment.java
@@ -76,7 +76,9 @@ public class WorkFragment extends BaseFragment {
 
     @Override
     protected void initView() {
-        EventBus.getDefault().register(this);
+        if (!EventBus.getDefault().isRegistered(this)) {
+            EventBus.getDefault().register(this);
+        }
         Glide.with(getActivity())
                 .load(R.drawable.workbbb)
                 .error(R.mipmap.ic_launcher_round)
@@ -296,6 +298,11 @@ public class WorkFragment extends BaseFragment {
     @Override
     public void onDestroy() {
         super.onDestroy();
-        EventBus.getDefault().unregister(this);
+        if (EventBus.getDefault().isRegistered(this)) {
+            EventBus.getDefault().unregister(this);
+        }
+        if (EventBus.getDefault().getStickyEvent(WorkEvent.class) != null){
+            EventBus.getDefault().removeStickyEvent(WorkEvent.class);
+        }
     }
 }