diff --git a/refresh-footer/build.gradle b/refresh-footer/build.gradle
index 86292b03..f5f877ec 100644
--- a/refresh-footer/build.gradle
+++ b/refresh-footer/build.gradle
@@ -32,8 +32,7 @@ dependencies {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
     testCompile 'junit:junit:4.12'
-//    provided 'com.android.support:support-annotations:25.3.1'
-//    provided 'com.android.support:support-v4:25.3.1'
+    provided 'com.android.support:support-compat:25.3.1'
     provided project(':refresh-layout')
 }
 
diff --git a/refresh-header/build.gradle b/refresh-header/build.gradle
index 1c42b308..e30c8f01 100644
--- a/refresh-header/build.gradle
+++ b/refresh-header/build.gradle
@@ -32,7 +32,6 @@ dependencies {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
     testCompile 'junit:junit:4.12'
-//    provided 'com.android.support:support-annotations:25.3.1'
     provided 'com.android.support:support-compat:25.3.1'
     provided project(':refresh-layout')
 }
diff --git a/refresh-layout/build.gradle b/refresh-layout/build.gradle
index 52101e42..ce52c5fa 100644
--- a/refresh-layout/build.gradle
+++ b/refresh-layout/build.gradle
@@ -32,10 +32,6 @@ dependencies {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
     testCompile 'junit:junit:4.12'
-//    provided 'com.android.support:support-annotations:25.3.1'
-//    provided 'com.android.support:support-v4:25.3.1'
-//    provided 'com.android.support:support-compat:25.3.1'
-//    provided 'com.android.support:recyclerview-v7:25.3.1'
     provided 'com.android.support:design:25.3.1'
 }
 
diff --git a/refresh-layout/src/main/java/com/scwang/smartrefresh/layout/footer/ClassicsFooter.java b/refresh-layout/src/main/java/com/scwang/smartrefresh/layout/footer/ClassicsFooter.java
index eb5ce4ad..d61972c2 100644
--- a/refresh-layout/src/main/java/com/scwang/smartrefresh/layout/footer/ClassicsFooter.java
+++ b/refresh-layout/src/main/java/com/scwang/smartrefresh/layout/footer/ClassicsFooter.java
@@ -4,7 +4,6 @@
 import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
 import android.support.annotation.NonNull;
-import android.support.v7.widget.AppCompatTextView;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.View;
@@ -72,7 +71,7 @@ private void initView(Context context, AttributeSet attrs, int defStyleAttr) {
         lpPathView.rightMargin = density.dip2px(10);
         addView(mProgressView, lpPathView);
 
-        mBottomText = new AppCompatTextView(context, attrs, defStyleAttr);
+        mBottomText = new TextView(context, attrs, defStyleAttr);
         mBottomText.setTextColor(0xff666666);
         mBottomText.setTextSize(16);
         mBottomText.setText(REFRESH_FOOTER_PULLUP);
diff --git a/refresh-layout/src/main/java/com/scwang/smartrefresh/layout/header/ClassicsHeader.java b/refresh-layout/src/main/java/com/scwang/smartrefresh/layout/header/ClassicsHeader.java
index a7f60f7a..ad8c0e4c 100644
--- a/refresh-layout/src/main/java/com/scwang/smartrefresh/layout/header/ClassicsHeader.java
+++ b/refresh-layout/src/main/java/com/scwang/smartrefresh/layout/header/ClassicsHeader.java
@@ -143,16 +143,21 @@ private void initView(Context context, AttributeSet attrs, int defStyleAttr) {
 
         ta.recycle();
 
-        if (context instanceof FragmentActivity) {
-            FragmentManager manager = ((FragmentActivity) context).getSupportFragmentManager();
-            if (manager != null) {
-                List<Fragment> fragments = manager.getFragments();
-                if (fragments != null && fragments.size() > 0) {
-                    setLastUpdateTime(new Date());
-                    return;
+        try {//try 不能删除-否则会出现兼容性问题
+            if (context instanceof FragmentActivity) {
+                FragmentManager manager = ((FragmentActivity) context).getSupportFragmentManager();
+                if (manager != null) {
+                    List<Fragment> fragments = manager.getFragments();
+                    if (fragments != null && fragments.size() > 0) {
+                        setLastUpdateTime(new Date());
+                        return;
+                    }
                 }
             }
+        } catch (Throwable e) {
+            e.printStackTrace();
         }
+
         KEY_LAST_UPDATE_TIME += context.getClass().getName();
         mShared = context.getSharedPreferences("ClassicsHeader", Context.MODE_PRIVATE);
         setLastUpdateTime(new Date(mShared.getLong(KEY_LAST_UPDATE_TIME, System.currentTimeMillis())));
@@ -282,7 +287,7 @@ public void run() {
     public ClassicsHeader setLastUpdateTime(Date time) {
         mLastTime = time;
         mLastUpdateText.setText(mFormat.format(time));
-        if (mShared != null) {
+        if (mShared != null && !isInEditMode()) {
             mShared.edit().putLong(KEY_LAST_UPDATE_TIME, time.getTime()).apply();
         }
         return this;