diff --git a/tests/tests/ChipmunkTest/cocos2dChipmunkDemo.cpp b/tests/tests/ChipmunkTest/cocos2dChipmunkDemo.cpp
index 8e591941b3..1e19c23c70 100644
--- a/tests/tests/ChipmunkTest/cocos2dChipmunkDemo.cpp
+++ b/tests/tests/ChipmunkTest/cocos2dChipmunkDemo.cpp
@@ -481,10 +481,18 @@ void ChipmunkTestLayer::onEnter()
     
     glMatrixMode(GL_PROJECTION);
     glLoadIdentity();
+#if (CC_TARGET_PLATFORM == CC_PLATFORM_WOPHONE)
 	// portraint
+    //glOrthof(-320/factor, 320/factor, -480/factor, 480/factor, -1.0f, 1.0f); 
+	// landscape 
+    glOrthof(-320/factor, 320/factor, 0/factor, 960/factor, 1.0f, -1.0f); 
+#else
+    // portraint
     // glOrthof(-320/factor, 320/factor, -480/factor, 480/factor, -1.0f, 1.0f);
-	// landscape
-	glOrthof(-480/factor, 480/factor, -320/factor, 320/factor, 1.0f, -1.0f);   
+    // landscape
+    glOrthof(-480/factor, 480/factor, -320/factor, 320/factor, 1.0f, -1.0f); 
+
+#endif
 
     glMatrixMode(GL_MODELVIEW);
     glLoadIdentity();
@@ -496,7 +504,7 @@ void ChipmunkTestLayer::onEnter()
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
     glHint(GL_POINT_SMOOTH_HINT, GL_DONT_CARE);
-    glLineWidth(1.5f);
+    glLineWidth(1.5f);    
 }
 
 void ChipmunkTestLayer::onExit()