diff --git a/cocos2dx/sprite_nodes/CCSpriteFrameCache.cpp b/cocos2dx/sprite_nodes/CCSpriteFrameCache.cpp
index 5ba469a81e..97a3695446 100644
--- a/cocos2dx/sprite_nodes/CCSpriteFrameCache.cpp
+++ b/cocos2dx/sprite_nodes/CCSpriteFrameCache.cpp
@@ -229,7 +229,7 @@ void CCSpriteFrameCache::addSpriteFramesWithFile(const char *pszPlist)
 {
     CCAssert(pszPlist, "plist filename should not be NULL");
 
-    if (m_pLoadedFileNames->find(pszPlist) != m_pLoadedFileNames->end())
+    if (m_pLoadedFileNames->find(pszPlist) == m_pLoadedFileNames->end())
     {
         const char *pszPath = CCFileUtils::sharedFileUtils()->fullPathFromRelativePath(pszPlist);
         CCDictionary *dict = CCDictionary::dictionaryWithContentsOfFileThreadSafe(pszPath);
diff --git a/tests/AppDelegate.cpp b/tests/AppDelegate.cpp
index a52503fc57..2a58f05895 100644
--- a/tests/AppDelegate.cpp
+++ b/tests/AppDelegate.cpp
@@ -23,7 +23,7 @@ bool AppDelegate::applicationDidFinishLaunching()
     pDirector->setOpenGLView(&CCEGLView::sharedOpenGLView());
 
     // enable High Resource Mode(2x, such as iphone4) and maintains low resource on other devices.
-     pDirector->enableRetinaDisplay(true);
+    // pDirector->enableRetinaDisplay(true);
 
     // turn on display FPS
     pDirector->setDisplayStats(true);