diff --git a/README.md b/README.md
index 8dfbdee..f0f3ebf 100644
--- a/README.md
+++ b/README.md
@@ -94,9 +94,9 @@ allprojects {
 And add our dependency to your app `bundle.gradle`.
 
 ```gradle
-implementation 'com.devrapid.jieyi:kotlinknifer:2.1.5'
+implementation 'com.devrapid.jieyi:kotlinknifer:2.1.8'
 
-implementation 'com.devrapid.jieyi:kotlinshaver:1.1.5'
+implementation 'com.devrapid.jieyi:kotlinshaver:1.1.8'
 ```
 
 Then you can use it!!!
@@ -107,14 +107,14 @@ Then you can use it!!!
 <dependency>
   <groupId>com.devrapid.jieyi</groupId>
   <artifactId>kotlinknifer</artifactId>
-  <version>2.1.5</version>
+  <version>2.1.8</version>
   <type>pom</type>
 </dependency>
 
 <dependency>
   <groupId>com.devrapid.jieyi</groupId>
   <artifactId>kotlinshaver</artifactId>
-  <version>1.1.5</version>
+  <version>1.1.8</version>
   <type>pom</type>
 </dependency>
 ```
diff --git a/gradle.properties b/gradle.properties
index 991644f..4c02a70 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -21,7 +21,7 @@ proj_name=kotlinknifer
 proj_libname=KotlinKnifer
 proj_group=com.devrapid.jieyi
 proj_artifactid=kotlinknifer
-proj_version=2.1.6
+proj_version=2.1.8
 proj_description=For developing an Android conveniently and rapidly.
 proj_websiteurl=https://github.com/pokk/KotlinKnifer
 proj_issuetrackerurl=https://github.com/pokk/KotlinKnifer/issues
@@ -39,4 +39,4 @@ developer_email=pokkbaby@gmail.com
 proj_kotlin_name=kotlinshaver
 proj_kotlin_libname=KotlinShaver
 proj_kotlin_artifactid=kotlinshaver
-proj_kotlin_version=1.1.6
+proj_kotlin_version=1.1.8
diff --git a/kotlinknifer/src/main/java/com/devrapid/kotlinknifer/View.kt b/kotlinknifer/src/main/java/com/devrapid/kotlinknifer/View.kt
index c3c2465..d1e3d75 100644
--- a/kotlinknifer/src/main/java/com/devrapid/kotlinknifer/View.kt
+++ b/kotlinknifer/src/main/java/com/devrapid/kotlinknifer/View.kt
@@ -16,6 +16,7 @@ import android.view.WindowManager
 import androidx.annotation.ColorInt
 import androidx.annotation.ColorRes
 import androidx.appcompat.app.AlertDialog
+import androidx.core.content.ContextCompat
 import com.example.kotlinknifer.R
 
 inline fun View.resizeView(width: Int? = null, height: Int? = null) {
@@ -96,10 +97,10 @@ inline fun Activity.statusBarHeight() = Rect()
     .top
 
 fun Activity.changeStatusBarColorRes(@ColorRes colorRes: Int) =
-    setStatusBarColorBy { statusBarColor = getColorBy(colorRes) }
+    setStatusBarColorBy { statusBarColor = ContextCompat.getColor(context, colorRes) }
 
 fun Activity.changeStatusBarColor(@ColorInt color: Int, ratio: Float = 1f) =
-    setStatusBarColorBy { statusBarColor = ofAlpha(color, ratio) }
+    setStatusBarColorBy { statusBarColor = color.ofAlpha(ratio) }
 
 internal inline fun Activity.setStatusBarColorBy(block: Window.() -> Unit) {
     if (Build.VERSION_CODES.LOLLIPOP <= Build.VERSION.SDK_INT)