diff --git a/NeoContract/CGAS.cs b/NeoContract/CGAS.cs
index 2c4af9d..7b73ca1 100644
--- a/NeoContract/CGAS.cs
+++ b/NeoContract/CGAS.cs
@@ -284,8 +284,6 @@ private static bool Transfer(byte[] from, byte[] to, BigInteger amount, byte[] c
                 throw new InvalidOperationException("The parameters from and to SHOULD be 20-byte addresses.");
             if (amount <= 0)
                 throw new InvalidOperationException("The parameter amount MUST be greater than 0.");
-            if (ExecutionEngine.EntryScriptHash.AsBigInteger() != callscript.AsBigInteger())
-                return false;
             if (!IsPayable(to))
                 return false;
             if (!Runtime.CheckWitness(from) && from.AsBigInteger() != callscript.AsBigInteger()) /*0.2*/
diff --git a/UnitTests/CGASTest.cs b/UnitTests/CGASTest.cs
index 40ef440..3c250b5 100644
--- a/UnitTests/CGASTest.cs
+++ b/UnitTests/CGASTest.cs
@@ -15,8 +15,8 @@ namespace UnitTests
 {
     public static class CGASTest
     {
-        static readonly UInt160 SgasAddress = Wallet.ToScriptHash("Ae8AD6Rc3cvQapqttJcUTj9ULfLi2tLHmc");
-        static readonly UInt160 ScriptHash = new UInt160("0x505663a29d83663a838eee091249abd167e928f5".Remove(0, 2).HexToBytes().Reverse().ToArray());
+        static readonly UInt160 CgasAddress = Wallet.ToScriptHash("AScKxyXmNtEnTLTvbVhNQyTJmgytxhwSnM");
+        static readonly UInt160 ScriptHash = new UInt160("0x74f2dc36a68fdc4682034178eb2220729231db76".Remove(0, 2).HexToBytes().Reverse().ToArray());
         static readonly UInt160 User = Wallet.ToScriptHash("AJd31a8rYPEBkY1QSxpsGy8mdU4vTYTD4U");
         static readonly byte[] UserScript = "2103ad1d70f140d84a90ad4491cdf175fa64bfa9287a006e8cbd8f8db8500b5205baac".HexToBytes();
 
diff --git a/readme.md b/readme.md
index c814970..ed3a609 100644
--- a/readme.md
+++ b/readme.md
@@ -1,5 +1,25 @@
 # CGAS
 
+## Release Note：
+
+**1.0.3** pre-release
+
+Script Hash: 0x74f2dc36a68fdc4682034178eb2220729231db76
+
+CGAS Contract Address: AScKxyXmNtEnTLTvbVhNQyTJmgytxhwSnM
+
+**1.0.2**
+
+Script Hash: [0x505663a29d83663a838eee091249abd167e928f5](https://neotracker.io/contract/505663a29d83663a838eee091249abd167e928f5)
+
+CGAS Contract Address: Ae8AD6Rc3cvQapqttJcUTj9ULfLi2tLHmc
+
+1.0.**1**
+
+Script Hash: [0x9121e89e8a0849857262d67c8408601b5e8e0524](https://neotracker.io/contract/9121e89e8a0849857262d67c8408601b5e8e0524)
+
+CGAS Contract Address: AK4LdT5ZXR9DQZjfk5X6Xy79mE8ad8jKAW
+
 [English](#en) [简体中文](#zh)
 
 <a name="en"></a>