diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..30aa626
--- /dev/null
+++ b/.idea/codeStyles/Project.xml
@@ -0,0 +1,29 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <Objective-C-extensions>
+      <file>
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
+      </file>
+      <class>
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
+      </class>
+      <extensions>
+        <pair source="cpp" header="h" fileNamingConvention="NONE" />
+        <pair source="c" header="h" fileNamingConvention="NONE" />
+      </extensions>
+    </Objective-C-extensions>
+  </code_scheme>
+</component>
\ No newline at end of file
diff --git a/bottomTabView/src/main/java/vip/mystery0/bottomTabView/BottomTabView.kt b/bottomTabView/src/main/java/vip/mystery0/bottomTabView/BottomTabView.kt
index b440055..a6912d4 100644
--- a/bottomTabView/src/main/java/vip/mystery0/bottomTabView/BottomTabView.kt
+++ b/bottomTabView/src/main/java/vip/mystery0/bottomTabView/BottomTabView.kt
@@ -117,7 +117,7 @@ class BottomTabView(context: Context, attrs: AttributeSet?, defStyleAttr: Int) :
 	/**
 	 * 设置链接的ViewPager
 	 */
-	fun linkViewPager(viewPager: ViewPager, listener: ((Int) -> Unit)?, isShowAnimationWhenClickItem: Boolean = true) {
+	fun linkViewPager(viewPager: ViewPager, listener: ((Int) -> Unit)?, isShowAnimationWhenClickItem: Boolean = true): BottomTabView {
 		setOnItemSelectedListener { viewPager.setCurrentItem(indexOf(it), isShowAnimationWhenClickItem) }
 		viewPager.addOnPageChangeListener(object : ViewPager.OnPageChangeListener {
 			override fun onPageScrollStateChanged(state: Int) {
@@ -131,6 +131,7 @@ class BottomTabView(context: Context, attrs: AttributeSet?, defStyleAttr: Int) :
 				listener?.invoke(position)
 			}
 		})
+		return this
 	}
 
 	/**