diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 7e7ee62..fb7f4a8 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="13" />
+    <bytecodeTargetLevel target="11" />
   </component>
 </project>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index d016b3d..20449e9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -43,13 +43,13 @@ android {
 
 dependencies {
 
-    implementation 'androidx.core:core-ktx:1.3.2'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.core:core-ktx:1.5.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
     implementation 'com.google.android.material:material:1.3.0'
     implementation "androidx.compose.ui:ui:$compose_version"
     implementation "androidx.compose.material:material:$compose_version"
-    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.0'
-    implementation 'androidx.activity:activity-compose:1.3.0-alpha04'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
+    implementation 'androidx.activity:activity-compose:1.3.0-beta01'
     //implementation 'com.github.zhujiang521:Banner:1.3.3'
     implementation project(path: ':banner')
     testImplementation 'junit:junit:4.13.2'
diff --git a/banner/build.gradle b/banner/build.gradle
index 9133d73..3e42e41 100644
--- a/banner/build.gradle
+++ b/banner/build.gradle
@@ -69,7 +69,7 @@ android {
 
 dependencies {
     implementation "androidx.compose.material:material:$compose_version"
-    def accompanist_version = "0.10.0"
+    def accompanist_version = "0.12.0"
     api "com.google.accompanist:accompanist-pager:$accompanist_version"
     api "com.google.accompanist:accompanist-coil:$accompanist_version"
     api "com.google.accompanist:accompanist-insets:$accompanist_version"
diff --git a/banner/src/main/java/com/zj/banner/BannerPager.kt b/banner/src/main/java/com/zj/banner/BannerPager.kt
index dcd8e32..1577bc7 100644
--- a/banner/src/main/java/com/zj/banner/BannerPager.kt
+++ b/banner/src/main/java/com/zj/banner/BannerPager.kt
@@ -49,7 +49,7 @@ fun <T : BaseBannerBean> BannerPager(
     val pagerState = rememberPagerState(pageCount = items.size)
 
     if (config.repeat) {
-        startBanner(pagerState, config.intervalTime)
+        StartBanner(pagerState, config.intervalTime)
     }
 
     Box(modifier = modifier.height(config.bannerHeight)) {
@@ -76,7 +76,7 @@ var mTimerTask: TimerTask? = null
 
 @OptIn(ExperimentalPagerApi::class)
 @Composable
-fun startBanner(pagerState: PagerState, intervalTime: Long) {
+fun StartBanner(pagerState: PagerState, intervalTime: Long) {
     val coroutineScope = rememberCoroutineScope()
     mTimer?.cancel()
     mTimerTask?.cancel()
diff --git a/banner/src/main/java/com/zj/banner/ui/indicator/NumberIndicator.kt b/banner/src/main/java/com/zj/banner/ui/indicator/NumberIndicator.kt
index b9ec3da..d8e4901 100644
--- a/banner/src/main/java/com/zj/banner/ui/indicator/NumberIndicator.kt
+++ b/banner/src/main/java/com/zj/banner/ui/indicator/NumberIndicator.kt
@@ -30,14 +30,14 @@ import com.zj.banner.ui.indicator.BannerGravity.BottomRight
  * @param gravity 指示器位置
  */
 class NumberIndicator(
-    var backgroundColor: Color = Color(30, 30, 33, 90),
-    var numberColor: Color = Color.White,
-    var circleSize: Dp = 35.dp,
-    var fontSize: TextUnit = 15.sp,
+    private var backgroundColor: Color = Color(30, 30, 33, 90),
+    private var numberColor: Color = Color.White,
+    private var circleSize: Dp = 35.dp,
+    private var fontSize: TextUnit = 15.sp,
     override var gravity: Int = BottomRight,
 ) : Indicator() {
 
-    @ExperimentalPagerApi
+    @OptIn(ExperimentalPagerApi::class)
     @Composable
     override fun DrawIndicator(pagerState: PagerState) {
         val alignment: Alignment = when (gravity) {
@@ -52,14 +52,18 @@ class NumberIndicator(
             }
             else -> Alignment.BottomEnd
         }
-        Box(modifier = Modifier.fillMaxSize().padding(10.dp), contentAlignment = alignment) {
+        Box(modifier = Modifier
+            .fillMaxSize()
+            .padding(10.dp), contentAlignment = alignment) {
             Box(
-                modifier = Modifier.size(circleSize).clip(CircleShape)
+                modifier = Modifier
+                    .size(circleSize)
+                    .clip(CircleShape)
                     .background(color = backgroundColor),
                 contentAlignment = Alignment.Center
             ) {
                 Text(
-                    "${pagerState.currentPage + 1}/${pagerState.pageCount}",
+                    text = "${pagerState.currentPage + 1}/${pagerState.pageCount}",
                     color = numberColor,
                     fontSize = fontSize
                 )
diff --git a/build.gradle b/build.gradle
index a19be6c..073c95b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     ext {
-        compose_version = '1.0.0-beta07'
+        compose_version = '1.0.0-beta09'
     }
     repositories {
         google()
@@ -11,7 +11,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:7.0.0-beta03'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.32"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.10"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files