diff --git a/cocos/base/CCUserDefault.cpp b/cocos/base/CCUserDefault.cpp
index 86afaa81c8..3561bc54e4 100644
--- a/cocos/base/CCUserDefault.cpp
+++ b/cocos/base/CCUserDefault.cpp
@@ -51,29 +51,7 @@ THE SOFTWARE.
 #include "yasio/obstream.hpp"
 #include "yasio/detail/sz.hpp"
 
-#if defined(_WIN32)
-#define O_READ_FLAGS O_BINARY | O_RDONLY, S_IREAD
-#define O_WRITE_FLAGS O_CREAT | O_RDWR | O_BINARY, S_IWRITE | S_IREAD
-#define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR | O_BINARY, S_IWRITE | S_IREAD
-#define posix_open ::_open
-#define posix_close ::_close
-#define posix_lseek ::_lseek
-#define posix_read ::_read
-#define posix_write ::_write
-#define posix_fd2fh(fd) reinterpret_cast<HANDLE>(_get_osfhandle(fd))
-#define posix_fsetsize(fd, size) ::_chsize(fd, size)
-#else
-#define O_READ_FLAGS O_RDONLY, S_IRUSR
-#define O_WRITE_FLAGS O_CREAT | O_RDWR, S_IRWXU
-#define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR, S_IRWXU
-#define posix_open ::open
-#define posix_close ::close
-#define posix_lseek ::lseek
-#define posix_read ::read
-#define posix_write ::write
-#define posix_fd2fh(fd) (fd)
-#define posix_fsetsize(fd, size) ::ftruncate(fd, size), ::lseek(fd, 0, SEEK_SET)
-#endif
+#include "CCFileStream.h"
 
 #define USER_DEFAULT_PLAIN_MODE 0
 
@@ -168,7 +146,7 @@ bool UserDefault::getBoolForKey(const char* pKey, bool defaultValue)
 {
     auto it = this->_values.find(pKey);
     if (it != this->_values.end())
-        return it->second == "1";
+        return it->second == "true";
 
     return defaultValue;
 }
@@ -381,7 +359,7 @@ void UserDefault::init()
 
 #if !USER_DEFAULT_PLAIN_MODE
         // construct file mapping
-        _fd = posix_open(_filePath.c_str(), O_WRITE_FLAGS);
+        _fd = posix_open(_filePath.c_str(), O_OVERLAP_FLAGS);
         if (_fd == -1) {
             log("[Warnning] UserDefault::init open storage file '%s' failed!", _filePath.c_str());
             return;
diff --git a/cocos/platform/CCFileStream.cpp b/cocos/platform/CCFileStream.cpp
index 627617cbdd..d3f06a5dff 100644
--- a/cocos/platform/CCFileStream.cpp
+++ b/cocos/platform/CCFileStream.cpp
@@ -9,26 +9,6 @@
 #include <sys/stat.h>
 #include <assert.h>
 
-#if defined(_WIN32)
-#define O_READ_FLAGS O_BINARY | O_RDONLY, S_IREAD
-#define O_WRITE_FLAGS O_CREAT | O_RDWR | O_BINARY | O_TRUNC, S_IWRITE | S_IREAD
-#define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR | O_BINARY, S_IWRITE | S_IREAD
-#define posix_open ::_open
-#define posix_close ::_close
-#define posix_lseek ::_lseek
-#define posix_read ::_read
-#define posix_write ::_write
-#else
-#define O_READ_FLAGS O_RDONLY, S_IRUSR
-#define O_WRITE_FLAGS O_CREAT | O_RDWR | O_TRUNC, S_IRWXU
-#define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR, S_IRWXU
-#define posix_open ::open
-#define posix_close ::close
-#define posix_lseek ::lseek
-#define posix_read ::read
-#define posix_write ::write
-#endif
-
 NS_CC_BEGIN
 
 struct PXIoF {
diff --git a/cocos/platform/CCFileStream.h b/cocos/platform/CCFileStream.h
index e165c9414e..3d5afa6b45 100644
--- a/cocos/platform/CCFileStream.h
+++ b/cocos/platform/CCFileStream.h
@@ -24,6 +24,36 @@
 #include "base/ZipUtils.h"
 #endif
 
+#if defined(_WIN32)
+#define O_READ_FLAGS O_BINARY | O_RDONLY, S_IREAD
+#define O_WRITE_FLAGS O_CREAT | O_RDWR | O_BINARY | O_TRUNC, S_IWRITE | S_IREAD
+#define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR | O_BINARY, S_IWRITE | S_IREAD
+
+#define O_OVERLAP_FLAGS O_CREAT | O_RDWR | O_BINARY, S_IWRITE | S_IREAD
+
+#define posix_open ::_open
+#define posix_close ::_close
+#define posix_lseek ::_lseek
+#define posix_read ::_read
+#define posix_write ::_write
+#define posix_fd2fh(fd) reinterpret_cast<HANDLE>(_get_osfhandle(fd))
+#define posix_fsetsize(fd, size) ::_chsize(fd, size)
+#else
+#define O_READ_FLAGS O_RDONLY, S_IRUSR
+#define O_WRITE_FLAGS O_CREAT | O_RDWR | O_TRUNC, S_IRWXU
+#define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR, S_IRWXU
+
+#define O_OVERLAP_FLAGS O_CREAT | O_RDWR, S_IRWXU
+
+#define posix_open ::open
+#define posix_close ::close
+#define posix_lseek ::lseek
+#define posix_read ::read
+#define posix_write ::write
+#define posix_fd2fh(fd) (fd)
+#define posix_fsetsize(fd, size) ::ftruncate(fd, size), ::lseek(fd, 0, SEEK_SET)
+#endif
+
 NS_CC_BEGIN
 
 struct UnzFileStream;