diff --git a/cocos2dx/platform/android/CCFileUtilsAndroid.cpp b/cocos2dx/platform/android/CCFileUtilsAndroid.cpp
index 9e54d9a8a4..2bcf2397ea 100644
--- a/cocos2dx/platform/android/CCFileUtilsAndroid.cpp
+++ b/cocos2dx/platform/android/CCFileUtilsAndroid.cpp
@@ -62,6 +62,11 @@ bool CCFileUtilsAndroid::init()
 
 bool CCFileUtilsAndroid::isFileExist(const std::string& strFilePath)
 {
+    if (0 == strFilePath.length())
+    {
+        return false;
+    }
+
     bool bFound = false;
     
     // Check whether file exists in apk.
diff --git a/cocos2dx/platform/blackberry/CCFileUtilsBlackberry.cpp b/cocos2dx/platform/blackberry/CCFileUtilsBlackberry.cpp
index 9589f561ef..04770ec350 100644
--- a/cocos2dx/platform/blackberry/CCFileUtilsBlackberry.cpp
+++ b/cocos2dx/platform/blackberry/CCFileUtilsBlackberry.cpp
@@ -53,6 +53,11 @@ bool CCFileUtilsBlackberry::isAbsolutePath(const std::string& strPath)
 
 bool CCFileUtilsBlackberry::isFileExist(const std::string& strFilePath)
 {
+    if (0 == strFilePath.length())
+    {
+        return false;
+    }
+
     std::string strPath = strFilePath;
     if (strPath[0] != '/')
     { // Not absolute path, add the default root path at the beginning.
diff --git a/cocos2dx/platform/ios/CCFileUtilsIOS.mm b/cocos2dx/platform/ios/CCFileUtilsIOS.mm
index 62e566d89d..baaf4caca6 100644
--- a/cocos2dx/platform/ios/CCFileUtilsIOS.mm
+++ b/cocos2dx/platform/ios/CCFileUtilsIOS.mm
@@ -161,23 +161,33 @@ std::string CCFileUtilsIOS::getWritablePath()
 
 bool CCFileUtilsIOS::isFileExist(const std::string& strFilePath)
 {
+    if (0 == strFilePath.length())
+    {
+        return false;
+    }
+
     bool bRet = false;
     
     if (strFilePath[0] != '/')
     {
-        std::string path = strFilePath;
+        std::string path;
         std::string file;
-        size_t pos = path.find_last_of("/");
+        size_t pos = strFilePath.find_last_of("/");
         if (pos != std::string::npos)
         {
-            file = path.substr(pos+1);
-            path = path.substr(0, pos+1);
-            NSString* fullpath = [[NSBundle mainBundle] pathForResource:[NSString stringWithUTF8String:file.c_str()]
-                                                                 ofType:nil
-                                                            inDirectory:[NSString stringWithUTF8String:path.c_str()]];
-            if (fullpath != nil) {
-                bRet = true;
-            }
+            file = strFilePath.substr(pos+1);
+            path = strFilePath.substr(0, pos+1);
+        }
+        else
+        {
+            file = strFilePath;
+        }
+        
+        NSString* fullpath = [[NSBundle mainBundle] pathForResource:[NSString stringWithUTF8String:file.c_str()]
+                                                             ofType:nil
+                                                        inDirectory:[NSString stringWithUTF8String:path.c_str()]];
+        if (fullpath != nil) {
+            bRet = true;
         }
     }
     else
diff --git a/cocos2dx/platform/linux/CCFileUtilsLinux.cpp b/cocos2dx/platform/linux/CCFileUtilsLinux.cpp
index 8f96052be2..fb055d1b3f 100644
--- a/cocos2dx/platform/linux/CCFileUtilsLinux.cpp
+++ b/cocos2dx/platform/linux/CCFileUtilsLinux.cpp
@@ -75,6 +75,11 @@ string CCFileUtilsLinux::getWritablePath()
 
 bool CCFileUtilsLinux::isFileExist(const std::string& strFilePath)
 {
+    if (0 == strFilePath.length())
+    {
+        return false;
+    }
+
     std::string strPath = strFilePath;
     if (!isAbsolutePath(strPath))
     { // Not absolute path, add the default root path at the beginning.
diff --git a/cocos2dx/platform/mac/CCFileUtilsMac.mm b/cocos2dx/platform/mac/CCFileUtilsMac.mm
index 2bedb5db0b..8ea8cb9e5f 100644
--- a/cocos2dx/platform/mac/CCFileUtilsMac.mm
+++ b/cocos2dx/platform/mac/CCFileUtilsMac.mm
@@ -158,6 +158,11 @@ std::string CCFileUtilsMac::getWritablePath()
 
 bool CCFileUtilsMac::isFileExist(const std::string& strFilePath)
 {
+    if (0 == strFilePath.length())
+    {
+        return false;
+    }
+    
     bool bRet = false;
     
     if (strFilePath[0] != '/')
diff --git a/cocos2dx/platform/marmalade/CCFileUtilsMarmalade.cpp b/cocos2dx/platform/marmalade/CCFileUtilsMarmalade.cpp
index 15c58183af..e0fc348e1b 100644
--- a/cocos2dx/platform/marmalade/CCFileUtilsMarmalade.cpp
+++ b/cocos2dx/platform/marmalade/CCFileUtilsMarmalade.cpp
@@ -30,6 +30,11 @@ string CCFileUtilsMarmalade::getWritablePath()
 
 bool CCFileUtilsMarmalade::isFileExist(const std::string& strFilePath)
 {
+    if (0 == strFilePath.length())
+    {
+        return false;
+    }
+    
     return s3eFileCheckExists(strFilePath.c_str()) == S3E_TRUE ? true : false;
 }
 
diff --git a/cocos2dx/platform/nacl/CCFileUtilsNaCl.cpp b/cocos2dx/platform/nacl/CCFileUtilsNaCl.cpp
index c432cd7d3e..38517069e9 100644
--- a/cocos2dx/platform/nacl/CCFileUtilsNaCl.cpp
+++ b/cocos2dx/platform/nacl/CCFileUtilsNaCl.cpp
@@ -48,6 +48,11 @@ std::string CCFileUtilsNaCl::getWritablePath()
 
 bool CCFileUtilsNaCl::isFileExist(const std::string& strFilePath)
 {
+    if (0 == strFilePath.length())
+    {
+        return false;
+    }
+
     std::string strPath = strFilePath;
     if (!isAbsolutePath(strPath))
     { // Not absolute path, add the default root path at the beginning.
diff --git a/cocos2dx/platform/win32/CCFileUtilsWin32.cpp b/cocos2dx/platform/win32/CCFileUtilsWin32.cpp
index da558e3b98..43e747af10 100644
--- a/cocos2dx/platform/win32/CCFileUtilsWin32.cpp
+++ b/cocos2dx/platform/win32/CCFileUtilsWin32.cpp
@@ -66,6 +66,11 @@ bool CCFileUtilsWin32::init()
 
 bool CCFileUtilsWin32::isFileExist(const std::string& strFilePath)
 {
+    if (0 == strFilePath.length())
+    {
+        return false;
+    }
+    
     std::string strPath = strFilePath;
     if (!isAbsolutePath(strPath))
     { // Not absolute path, add the default root path at the beginning.