diff --git a/core/autotablemodel.h b/core/autotablemodel.h
index 206079d..407761f 100644
--- a/core/autotablemodel.h
+++ b/core/autotablemodel.h
@@ -6,6 +6,7 @@
 #include <QMetaProperty>
 #include <QModelIndex>
 
+#include "define.h"
 #include "core_global.h"
 
 template<class T>
@@ -94,7 +95,7 @@ public:
         QObject *rawEntity = (QObject*)m_list.at(0).data();
         const char *prop = rawEntity->metaObject()->property(column + 1).name();
 
-        std::sort(m_list.begin(), m_list.end(), [prop, order](QSharedPointer<T> entA, QSharedPointer<T> entB) -> bool {
+        std::sort(ALL(m_list), [prop, order](QSharedPointer<T> entA, QSharedPointer<T> entB) -> bool {
             if (order == Qt::AscendingOrder) {
                 return ((QObject*)entA.data())->property(prop) < ((QObject*)entB.data())->property(prop);
             } else {
diff --git a/core/context.cpp b/core/context.cpp
index 4346eaf..426759a 100644
--- a/core/context.cpp
+++ b/core/context.cpp
@@ -25,7 +25,7 @@ QList<IPlugin *> Context::plugins()
 
 IPlugin *Context::plugin(const QString &pluginId)
 {
-    QList<IPlugin*>::iterator it = std::find_if(m_plugins.begin(), m_plugins.end(), [&pluginId](IPlugin *p) { return p->pluginId() == pluginId; });
+    QList<IPlugin*>::iterator it = std::find_if(ALL(m_plugins), [&pluginId](IPlugin *p) { return p->pluginId() == pluginId; });
     if (it != m_plugins.end())
     {
         return *it;
@@ -100,36 +100,66 @@ void Context::checkDb(const QString &path)
 void Context::checkSchema(const QSqlDatabase &db, const QMap<QString, int> &schemaMap)
 {
     foreach (IPlugin *plugin, m_plugins) {
-        if (!schemaMap.contains(plugin->pluginId()) || schemaMap[plugin->pluginId()] < plugin->schemaVersion())
+        solveDep(plugin, db, schemaMap);
+    }
+}
+
+void Context::solveDep(IPlugin *plugin, const QSqlDatabase &db, const QMap<QString, int> &schemaMap)
+{
+    foreach (QString dep, plugin->dependsOn()) {
+        QList<IPlugin*>::iterator it = std::find_if(ALL(m_plugins), [&dep](IPlugin *p) { return p->pluginId() == dep; });
+
+        if (it != m_plugins.end())
         {
-            int ver = schemaMap[plugin->pluginId()];
+            solveDep(*it, db, schemaMap);
+        }
 
-            for (int i = 0; i < plugin->schemas().count(); i++)
-            {
-                if (!schemaMap.contains(plugin->pluginId()) || i >= ver)
-                {
-                    QString sql = plugin->schemas()[i];
-                    QSqlQuery q(db);
+        if (m_solved.contains(plugin->pluginId()))
+        {
+            createSchema(plugin, db, schemaMap);
+            m_solved.append(plugin->pluginId());
+        }
+    }
+}
+
+void Context::createSchema(IPlugin *plugin, const QSqlDatabase &db, const QMap<QString, int> &schemaMap)
+{
+    if (!schemaMap.contains(plugin->pluginId()) || schemaMap[plugin->pluginId()] < plugin->schemaVersion())
+    {
+        int ver = schemaMap[plugin->pluginId()];
 
-                    QStringList sqlList = sql.split(";");
+        for (int i = 0; i < plugin->schemas().count(); i++)
+        {
+            if (!schemaMap.contains(plugin->pluginId()) || i >= ver)
+            {
+                QString sql = plugin->schemas()[i];
+                QSqlQuery q(db);
 
-                    foreach (QString s, sqlList) {
-                        if (!q.exec(s))
-                        {
-                            qDebug() << q.lastError().text();
-                        }
-                    }
+                QStringList sqlList = sql.split(";");
+                bool error = false;
 
-                    if (ver == 0)
+                foreach (QString s, sqlList) {
+                    if (!q.exec(s))
                     {
-                        sql = "INSERT INTO system(pluginId, schemaVersion) VALUES('" + plugin->pluginId() + "', 1)";
+                        qDebug() << q.lastError().text();
+                        error = true;
                     }
-                    else
-                    {
-                        sql = "UPDATE system SET schemaVersion = " + QString::number(i + 1) + " WHERE pluginId = '" + plugin->pluginId() + "'";
-                    }
-                    q.exec(sql);
                 }
+
+                if (error)
+                {
+                    continue;
+                }
+
+                if (ver == 0)
+                {
+                    sql = "INSERT INTO system(pluginId, schemaVersion) VALUES('" + plugin->pluginId() + "', 1)";
+                }
+                else
+                {
+                    sql = "UPDATE system SET schemaVersion = " + QString::number(i + 1) + " WHERE pluginId = '" + plugin->pluginId() + "'";
+                }
+                q.exec(sql);
             }
         }
     }
diff --git a/core/context.h b/core/context.h
index 6ce07b3..2840708 100644
--- a/core/context.h
+++ b/core/context.h
@@ -5,7 +5,9 @@
 #include <QMap>
 #include <QString>
 #include <QSqlDatabase>
+#include <QStringList>
 
+#include "define.h"
 #include "core_global.h"
 #include "transaction.h"
 
@@ -28,8 +30,12 @@ private:
     QList<IPlugin*> m_plugins;
     odb::database *m_db;
 
+    QStringList m_solved;
+
     void checkDb(const QString &path);
     void checkSchema(const QSqlDatabase &db, const QMap<QString, int> &schemaMap);
+    void solveDep(IPlugin *plugin, const QSqlDatabase &db, const QMap<QString, int> &schemaMap);
+    void createSchema(IPlugin *plugin, const QSqlDatabase &db, const QMap<QString, int> &schemaMap);
 };
 
 #endif // CONTEXT_H
diff --git a/core/core.h b/core/core.h
index b603be4..b196637 100644
--- a/core/core.h
+++ b/core/core.h
@@ -1,6 +1,7 @@
 #ifndef CORE_H
 #define CORE_H
 
+#include "define.h"
 #include "context.h"
 #include "iplugin.h"
 #include "imetadataplugin.h"
diff --git a/core/core.pro b/core/core.pro
index 94cfa39..b1e9b3e 100644
--- a/core/core.pro
+++ b/core/core.pro
@@ -36,7 +36,8 @@ HEADERS += core.h\
     data/role.h \
     data/permission.h \
     data/core-data.h \
-    coreplugin.h
+    coreplugin.h \
+    define.h
 
 unix {
     target.path = /usr/lib
diff --git a/core/define.h b/core/define.h
new file mode 100644
index 0000000..683daf4
--- /dev/null
+++ b/core/define.h
@@ -0,0 +1,7 @@
+#ifndef DEFINE_H
+#define DEFINE_H
+
+#define ALL(arr) arr.begin(), arr.end()
+
+#endif // DEFINE_H
+
diff --git a/core/imetadataplugin.cpp b/core/imetadataplugin.cpp
index f14760d..290d0f4 100644
--- a/core/imetadataplugin.cpp
+++ b/core/imetadataplugin.cpp
@@ -38,6 +38,11 @@ QStringList IMetaDataPlugin::schemas()
     return m_schemas;
 }
 
+QStringList IMetaDataPlugin::dependsOn()
+{
+    return m_dependsOn;
+}
+
 void IMetaDataPlugin::init(const QJsonObject &metaData)
 {
     parseMetaData(metaData);
@@ -60,6 +65,10 @@ void IMetaDataPlugin::parseMetaData(const QJsonObject &metaData)
     foreach (QJsonValue schVal, data.toObject()["sql"].toArray()) {
         m_schemas.append(schVal.toString());
     }
+
+    foreach (QJsonValue depVal, data.toObject()["dependecies"].toArray()) {
+        m_dependsOn.append(depVal.toString());
+    }
 }
 
 QString IMetaDataPlugin::parseLocaleText(const QJsonObject &object)
diff --git a/core/imetadataplugin.h b/core/imetadataplugin.h
index 5ee3c0a..a9c7f2d 100644
--- a/core/imetadataplugin.h
+++ b/core/imetadataplugin.h
@@ -19,6 +19,8 @@ public:
     virtual QString pluginDescription();
     virtual int schemaVersion();
     virtual QStringList schemas();
+    virtual QStringList dependsOn();
+
     virtual void init(const QJsonObject &metaData);
 
 protected:
@@ -31,6 +33,7 @@ private:
     QString m_description;
     int m_schemaVersion;
     QStringList m_schemas;
+    QStringList m_dependsOn;
 
     QString parseLocaleText(const QJsonObject &object);
 };
diff --git a/core/iplugin.h b/core/iplugin.h
index 96ad791..b9c8aa8 100644
--- a/core/iplugin.h
+++ b/core/iplugin.h
@@ -23,10 +23,14 @@ public:
     virtual QString pluginDescription() = 0;
     virtual int schemaVersion() = 0;
     virtual QStringList schemas() = 0;
+    virtual QStringList dependsOn() = 0;
+
     virtual void init(const QJsonObject &metaData) = 0;
+
     virtual QWidget *ui() {
         return m_ui;
     }
+
     template<class T>
     Service<T> *service() {
         return (Service<T>*)m_service;
diff --git a/core/ivalidator.h b/core/ivalidator.h
index f0aa0e5..10f0285 100644
--- a/core/ivalidator.h
+++ b/core/ivalidator.h
@@ -15,6 +15,8 @@ public:
         m_errMessage = errMessage;
     }
 
+    virtual ~IValidator() {}
+
     virtual bool validate() = 0;
 
     QString errMessage()