diff --git a/entry/src/main/java/link/fls/swipestacksample/snackbar/SnackBar.java b/entry/src/main/java/link/fls/swipestacksample/snackbar/SnackBar.java
index 1cc1eac3cbd97bc0eaf36a959934f1e9dd07147a..3f81e9104574c9a26ec062325eb3022f5d8ff640 100644
--- a/entry/src/main/java/link/fls/swipestacksample/snackbar/SnackBar.java
+++ b/entry/src/main/java/link/fls/swipestacksample/snackbar/SnackBar.java
@@ -174,6 +174,7 @@ public class SnackBar {
          *
          * @param messageId the resource id of the string to display
          * @return this builder
+         * @throws IOException
          */
         public Builder withMessageId(int messageId) throws NotExistException, WrongTypeException, IOException {
             mMessage = mContext.getResourceManager().getSolidXml(messageId).getRoot().getStringValue();
@@ -196,6 +197,7 @@ public class SnackBar {
          *
          * @param actionMessageResId the resource id of the string to display
          * @return this builder
+         * @throws IOException
          */
         public Builder withActionMessageId(int actionMessageResId) throws NotExistException, WrongTypeException, IOException {
             if (actionMessageResId > 0) {
@@ -219,7 +221,7 @@ public class SnackBar {
          * withStyle
          *
          * @param color
-         * @return
+         * @return this
          */
         public Builder withStyle(int color) {
             mTextColor = color;
@@ -397,6 +399,7 @@ public class SnackBar {
 
     /**
      * setOnClickListener
+     *
      * @param listener
      * @return this
      */
@@ -407,6 +410,7 @@ public class SnackBar {
 
     /**
      * setOnVisibilityChangeListener
+     *
      * @param listener
      * @return this
      */
@@ -450,6 +454,7 @@ public class SnackBar {
 
     /**
      * onSaveInstanceState
+     *
      * @return onSaveInstanceState
      */
     public Intent onSaveInstanceState() {
diff --git a/entry/src/main/java/link/fls/swipestacksample/snackbar/SnackContainer.java b/entry/src/main/java/link/fls/swipestacksample/snackbar/SnackContainer.java
index 25bcefd9132c71cd709d0b7012bbc517b38a95f7..4656b1f88e546ea23e390ff8e5e419e5dcb4e792 100644
--- a/entry/src/main/java/link/fls/swipestacksample/snackbar/SnackContainer.java
+++ b/entry/src/main/java/link/fls/swipestacksample/snackbar/SnackContainer.java
@@ -176,7 +176,7 @@ public class SnackContainer extends StackLayout {
     /**
      * isShowing
      *
-     * @returnisShowing
+     * @return isShowing
      */
     public boolean isShowing() {
         return !mSnacks.isEmpty();
diff --git a/library/src/main/java/link/fls/swipestack/SwipeDirectionalView.java b/library/src/main/java/link/fls/swipestack/SwipeDirectionalView.java
index 7a1f198ff72b8e3281fd9dbe7394d464de9fc6d7..9628c90230c8872989121add84f480b3f65634e9 100644
--- a/library/src/main/java/link/fls/swipestack/SwipeDirectionalView.java
+++ b/library/src/main/java/link/fls/swipestack/SwipeDirectionalView.java
@@ -123,6 +123,7 @@ public class SwipeDirectionalView extends StackLayout implements ICardState {
      * 添加卡片
      *
      * @param component 卡片内容
+     * @param cardRotation Rotation
      * @return SwipeDirectionalView
      */
     public SwipeDirectionalView addView(Component component, float cardRotation) {