fix：修复BUG:17439。

m-dynamic/src/main/java/com/yidianling/dynamic/event/dynamicFocusEvent.kt

+package com.yidianling.dynamic.event
+
+data class dynamicFocusEvent (
+    var focusState:String
+)
\ No newline at end of file

m-dynamic/src/main/java/com/yidianling/dynamic/members/MembersActivity.java

@@ -42,6 +42,7 @@ import com.yidianling.dynamic.common.net.DynamicApiUtils;
 import com.yidianling.dynamic.dialog.CancelFocusDialog;
 import com.yidianling.dynamic.event.BlackEvent;
 import com.yidianling.dynamic.event.LoginStateEvent;
+import com.yidianling.dynamic.event.dynamicFocusEvent;
 import com.yidianling.dynamic.model.Command;
 import com.yidianling.dynamic.model.MemberInfoBean;
 import com.yidianling.dynamic.router.DynamicIn;
@@ -433,7 +434,9 @@ public class MembersActivity extends BaseActivity implements View.OnClickListene
     /**
      *
      */
+    @SuppressLint("CheckResult")
     private void Focus() {
+
         showProgressDialog("");
         Command.FocusCmd cmd = new Command.FocusCmd(mem_id, "1");
         DynamicApiUtils.focus(cmd)
@@ -450,6 +453,7 @@ public class MembersActivity extends BaseActivity implements View.OnClickListene
                             fans_count = (fans_counti + 1) + "";
                             members_top_user_fensi_num_tv.setText("粉丝 " + fans_count);
                             focus_state = "1";
+                            EventBus.getDefault().post(new dynamicFocusEvent(focus_state));
                             Drawable drawable = getResources().getDrawable(R.drawable.dynamic_ic_expand);
                             drawable.setBounds(0, 0, drawable.getMinimumWidth(), drawable.getMinimumHeight());
                             members_top_user_focus_ortion_tv.setCompoundDrawablePadding(20);
@@ -461,6 +465,7 @@ public class MembersActivity extends BaseActivity implements View.OnClickListene
                             fans_count = (fans_counti - 1) + "";
                             members_top_user_fensi_num_tv.setText("粉丝 " + fans_count);
                             focus_state = "2";
+                            EventBus.getDefault().post(new dynamicFocusEvent(focus_state));
                             members_top_user_focus_ortion_tv.setCompoundDrawables(null, null, null, null);
                             members_top_user_focus_ortion_tv.setText("+ 关注");
                             members_top_user_focus_ortion_tv.setTextColor(getResources().getColor(R.color.dynamic_white));

m-dynamic/src/main/java/com/yidianling/dynamic/trendsDetail/TrendsDetailActivity.java

@@ -24,6 +24,7 @@ import android.text.Html;
 import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.text.style.ImageSpan;
+import android.util.EventLog;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
@@ -72,6 +73,8 @@ import com.yidianling.dynamic.R2;
 import com.yidianling.dynamic.common.browsePictures.BrowsePicturesActivity2;
 import com.yidianling.dynamic.common.emoji.EmoticonPickerView;
 import com.yidianling.dynamic.common.emoji.IEmoticonSelectedListener;
+import com.yidianling.dynamic.event.LoginStateEvent;
+import com.yidianling.dynamic.event.dynamicFocusEvent;
 import com.yidianling.dynamic.members.MembersActivity;
 import com.yidianling.dynamic.model.CommentBean;
 import com.yidianling.dynamic.model.Reply;
@@ -95,6 +98,7 @@ import java.util.concurrent.TimeUnit;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
+import de.greenrobot.event.EventBus;
 import io.reactivex.Observable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.Disposable;
@@ -374,6 +378,7 @@ public class TrendsDetailActivity extends BaseMvpActivity<ITrendsDetailView, ITr
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        EventBus.getDefault().register(this);
         setContentView(R.layout.dynamic_activity_trend_details);
         ButterKnife.bind(this);
         initDatas();
@@ -1451,8 +1456,18 @@ public class TrendsDetailActivity extends BaseMvpActivity<ITrendsDetailView, ITr
         if (subscribe != null) {
             subscribe.dispose();
         }
+        EventBus.getDefault().unregister(this);
+    }
+    public void onEvent(dynamicFocusEvent event) {
+        // 1已关注 2关注
+        if (event.getFocusState().equals("1")){
+            tvGuanzhu.setVisibility(GONE);
+            tvGuanzhu.setText("已关注");
+        }else{
+            tvGuanzhu.setVisibility(VISIBLE);
+            tvGuanzhu.setText("关注");
+        }
     }
-
     @NonNull
     @Override
     public ITrendsDetailPresenterImpl createPresenter() {