diff --git a/GameSDKDemo/build.gradle b/GameSDKDemo/build.gradle
index 26646b1..4ec94db 100644
--- a/GameSDKDemo/build.gradle
+++ b/GameSDKDemo/build.gradle
@@ -91,6 +91,6 @@ dependencies {
     implementation 'com.android.support:design:27.1.1'
 //    implementation project(':GameSDK')
 //    implementation project(':IAP5Helper')
-    implementation 'com.gumptech.sdk:GameSDK:4.7.2'
+    implementation 'com.gumptech.sdk:GameSDK:4.7.5_orange'
 //    implementation 'com.gumptech.sdk:SamsungIAP:5.1.1'
 }
diff --git a/GameSDKDemo/src/main/java/com/gumptech/sdk/demo/MainActivity.java b/GameSDKDemo/src/main/java/com/gumptech/sdk/demo/MainActivity.java
index 750f4fe..df67cb5 100644
--- a/GameSDKDemo/src/main/java/com/gumptech/sdk/demo/MainActivity.java
+++ b/GameSDKDemo/src/main/java/com/gumptech/sdk/demo/MainActivity.java
@@ -35,8 +35,8 @@ public class MainActivity extends AppCompatActivity implements PurchaseCallback
     private Button btnPay;
     private Button btnIap;
 
-    private String appId = "10036";
-    private String appKey = "7c127e0c66f06e58c7c7310a7c6fa488";
+    private String appId = "100";
+    private String appKey = "f899139df5e1059396431415e770c6dd";
     private GumpUser gumpUser;
 
     /**
@@ -92,7 +92,7 @@ public class MainActivity extends AppCompatActivity implements PurchaseCallback
                     @Override
                     public void onResult(boolean isRisk) {
                         btnIap.setEnabled(isRisk);
-                        btnPay.setEnabled(!isRisk);
+                        btnPay.setEnabled(isRisk);
                     }
                 });
             }
diff --git a/GameSDKDemo/src/main/res/values-zh/strings.xml b/GameSDKDemo/src/main/res/values-zh/strings.xml
index d0bd82f..3d919dc 100644
--- a/GameSDKDemo/src/main/res/values-zh/strings.xml
+++ b/GameSDKDemo/src/main/res/values-zh/strings.xml
@@ -6,8 +6,8 @@
     <string name="init">初始化</string>
     <string name="login">登录</string>
     <string name="check">检查支付状态</string>
-    <string name="iap">官方支付(无弹窗)</string>
-    <string name="pay">弹窗支付</string>
+    <string name="iap">官方支付(插件支付)</string>
+    <string name="pay">三方支付</string>
 
 
     <string name="hint_product">商品id/商品名</string>
diff --git a/README.md b/README.md
index 1ee3693..04aac78 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # Gump SDK 4 for Android接入文档
 
 
-V4.7.2       
-2019年06月11日
+V4.7.5_orange       
+2019年07月12日
 
 
 ## 版本概述
@@ -21,7 +21,7 @@ V4.7.2
     	}
     }
     dependencies {
-        implementation 'com.gumptech.sdk:GameSDK:4.7.2'
+        implementation 'com.gumptech.sdk:GameSDK:4.7.5_orange'
 
     }