diff --git a/app/build.gradle b/app/build.gradle
index d68857f78..1eeb65e25 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "com.chad.baserecyclerviewadapterhelper"
         minSdkVersion 16
         targetSdkVersion 28
-        versionCode 5
-        versionName "2.1"
+        versionCode 6
+        versionName "3.0"
     }
     buildTypes {
         release {
@@ -19,7 +19,11 @@ android {
             zipAlignEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
-        
+        debug {
+            minifyEnabled true
+            zipAlignEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
     }
     dataBinding {
         enabled = true
diff --git a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/provider/FirstProvider.java b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/provider/FirstProvider.java
index 1664e4786..de5851721 100644
--- a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/provider/FirstProvider.java
+++ b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/provider/FirstProvider.java
@@ -37,11 +37,6 @@ public void convert(@NotNull BaseViewHolder helper, @Nullable BaseNode data) {
 
     @Override
     public void onClick(@NotNull BaseViewHolder helper, @NotNull View view, BaseNode data, int position) {
-        FirstNode node = (FirstNode) data;
-        if (node.isExpanded()) {
-            getAdapter().collapse(position);
-        } else {
-            getAdapter().expand(position);
-        }
+        getAdapter().expandAndCollapseOther(position);
     }
 }