diff --git a/4.2.8/README.md b/4.2.8/README.md
new file mode 100755
index 0000000..0eb6aed
--- /dev/null
+++ b/4.2.8/README.md
@@ -0,0 +1,42 @@
+# Usage
+
+- Download [charles.jar](charles.jar), replace the official `charles.jar`.
+- **Or**
+- Hack with the below script by yourself.
+
+# Hack Script
+# 
+
+```
+export JAVA_HOME=`/usr/libexec/java_home -v 1.8`
+charles=/Applications/Charles.app/Contents/Java/charles.jar
+dir=charleshack
+
+mkdir $dir
+cd $dir
+cat >> qHTb.java <<EOF
+package com.xk72.charles;
+public final class qHTb {
+public static boolean DdNM() { return true; }
+	public static boolean lPpR() { return true; }
+	public static String RgPH() { return "Administrator"; }
+	public static String gbef() { return "Administrator"; }
+	public static String DdNM(String name, String key) { return null; }
+}
+EOF
+javac -encoding UTF-8 qHTb.java -d .&& jar -uvf $charles com/xk72/charles/qHTb.class
+cd .. && rm -rf $dir
+```
+
+# Official Download Link
+
+- [Windows 64 bit](https://www.charlesproxy.com/assets/release/4.2.8/charles-proxy-4.2.8-win64.msi)
+- [Windows 32 bit](https://www.charlesproxy.com/assets/release/4.2.8/charles-proxy-4.2.8-win32.msi)
+- [macOS](https://www.charlesproxy.com/assets/release/4.2.8/charles-proxy-4.2.8.dmg)
+- [Linux 64/32 bit](https://www.charlesproxy.com/assets/release/4.2.8/charles-proxy-4.2.8.tar.gz)
+
+Credit: 
+
+<a href="https://github.com/Heip">
+<img border="0" alt="Help" src="https://avatars3.githubusercontent.com/u/31706214?s=460&v=4" width="100" height="100">
+
diff --git a/4.2.8/charles.jar b/4.2.8/charles.jar
new file mode 100644
index 0000000..d8c4866
Binary files /dev/null and b/4.2.8/charles.jar differ
diff --git a/4.5/README.md b/4.5/README.md
new file mode 100644
index 0000000..b48dd58
--- /dev/null
+++ b/4.5/README.md
@@ -0,0 +1,35 @@
+# Usage
+
+- Download [charles.jar](charles.jar), replace the official `charles.jar`.
+- **Or**
+- Hack with the below script by yourself.
+
+# Hack Script
+
+by [#16](https://github.com/100apps/charles-hacking/pull/16), thanks to [@HeIp](https://github.com/HeIp)
+
+```
+charles=/Applications/Charles.app/Contents/Java/charles.jar
+dir=charleshack
+
+mkdir $dir
+cd $dir
+cat >> cksjPRXyaTFQ.java <<EOF
+package com.xk72.charles;
+public final class cksjPRXyaTFQ {
+	public static boolean PRXy() { return true; }
+	public static String aTFQ() { return "http://www.gfzj.us"; }
+	public static String PRXy(String name, String key) { return null; }
+}
+EOF
+javac -encoding UTF-8 cksjPRXyaTFQ.java -d .&& jar -uvf $charles com/xk72/charles/cksjPRXyaTFQ.class
+cd .. && rm -rf $dir
+```
+
+# Official Download Link
+
+- [Windows 64 bit](https://www.charlesproxy.com/assets/release/4.5/charles-proxy-4.5-win64.msi)
+- [Windows 32 bit](https://www.charlesproxy.com/assets/release/4.5/charles-proxy-4.5-win32.msi)
+- [macOS](https://www.charlesproxy.com/assets/release/4.5/charles-proxy-4.5.dmg)
+- [Linux 64/32 bit](https://www.charlesproxy.com/assets/release/4.5/charles-proxy-4.5.tar.gz)
+
diff --git a/README.md b/README.md
index e15e22f..ac5bd62 100755
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ Hacking Charles Web Debugging Proxy
 
 # Works for
 
+- [4.5](4.5)
+- [4.2.8](4.2.8)
 - [4.2.1](4.2.1)
 - [4.2](4.2)
-- [4.1.1](4.1.1)
\ No newline at end of file
+- [4.1.1](4.1.1)