diff --git a/RedPandaIDE/project.cpp b/RedPandaIDE/project.cpp
index 5bf3177a..2eacf158 100644
--- a/RedPandaIDE/project.cpp
+++ b/RedPandaIDE/project.cpp
@@ -1,12 +1,59 @@
 #include "project.h"
 #include "editor.h"
 #include "mainwindow.h"
+#include "utils.h"
+#include "systemconsts.h"
+
+#include <QDir>
+#include <QFileInfo>
 
 Project::Project(QObject *parent) : QObject(parent)
 {
 
 }
 
+QString Project::directory()
+{
+    QFileInfo fileInfo(mFilename);
+    return fileInfo.absolutePath();
+}
+
+QString Project::executableName()
+{
+    QString exeFileName;
+    if (mOptions.overrideOutput && !mOptions.overridenOutput.isEmpty()) {
+        exeFileName = mOptions.overridenOutput;
+    } else {
+        switch(mOptions.type) {
+        case ProjectType::StaticLib:
+            exeFileName = changeFileExt(baseFileName(mFilename),STATIC_LIB_EXT);
+            break;
+        case ProjectType::DynamicLib:
+            exeFileName = changeFileExt(baseFileName(mFilename),DYNAMIC_LIB_EXT);
+            break;
+        default:
+            exeFileName = changeFileExt(baseFileName(mFilename),EXECUTABLE_EXT);
+        }
+    }
+    QString exePath;
+    if (!mOptions.exeOutput.isEmpty()) {
+        QDir baseDir(directory());
+        exePath = baseDir.filePath(mOptions.exeOutput);
+    } else {
+        exePath = directory();
+    }
+    QDir exeDir(exePath);
+    return exeDir.filePath(exeFileName);
+}
+
+QString Project::makeFileName()
+{
+    if fOptions.UseCustomMakefile then
+      Result := fOptions.CustomMakefile
+    else
+      Result := Directory + DEV_MAKE_FILE;
+}
+
 const std::weak_ptr<Project> &ProjectUnit::parent() const
 {
     return mParent;
diff --git a/RedPandaIDE/project.h b/RedPandaIDE/project.h
index 4db1664d..def7264b 100644
--- a/RedPandaIDE/project.h
+++ b/RedPandaIDE/project.h
@@ -2,6 +2,7 @@
 #define PROJECT_H
 
 #include <QObject>
+#include <QSettings>
 #include <memory>
 
 enum class ProjectType {
@@ -13,6 +14,8 @@ enum class ProjectType {
 
 class Project;
 class Editor;
+class CppParser;
+
 class ProjectUnit {
 
 public:
@@ -62,6 +65,8 @@ private:
     QByteArray mEncoding;
 };
 
+using PProjectUnit = std::shared_ptr<ProjectUnit>;
+
 struct ProjectVersionInfo{
     int major;
     int minor;
@@ -123,9 +128,24 @@ class Project : public QObject
     Q_OBJECT
 public:
     explicit Project(QObject *parent = nullptr);
-
+    QString directory();
+    QString executableName();
+    QString makeFileName();
+    procedure SetFileName(const value: AnsiString);
+    function GetModified: boolean;
+    procedure SetModified(value: boolean);
+    procedure SortUnitsByPriority;
+    procedure Open;
 signals:
-
+private:
+    QList<PProjectUnit> mUnits;
+    ProjectOptions mOptions;
+    QSettings mIniFile;
+    QString mFilename;
+    QString mName;
+    bool mModified;
+    QStringList mFolders;
+    std::shared_ptr<CppParser> mParser;
 };
 
 #endif // PROJECT_H
diff --git a/RedPandaIDE/systemconsts.h b/RedPandaIDE/systemconsts.h
index 3f9f0712..1544261f 100644
--- a/RedPandaIDE/systemconsts.h
+++ b/RedPandaIDE/systemconsts.h
@@ -21,11 +21,15 @@
 #ifdef Q_OS_WIN
 #   define PATH_SENSITIVITY Qt::CaseInsensitive
 #   define NULL_FILE       "NUL"
-#   define EXECUTABE_EXT   "exe"
+#   define EXECUTABLE_EXT   "exe"
+#   define STATIC_LIB_EXT   "a"
+#   define DYNAMIC_LIB_EXT   "dll"
 #elif Q_OS_LINUX
 #   define PATH_SENSITIVITY Qt::CaseSensitive
 #   define NULL_FILE       "/dev/null"
-#   define EXECUTABE_EXT   ""
+#   define EXECUTABLE_EXT   ""
+#   define STATIC_LIB_EXT   "a"
+#   define DYNAMIC_LIB_EXT   "d"
 #else
 #error "Only support windows and linux now!"
 #endif