diff --git a/NEWS.md b/NEWS.md
index 43f70b80..14d005ab 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -4,6 +4,7 @@
 * [#119] check the return code of `setsockopt`.
 * [#?] switch to GTK+3, and use `GtkApplication`.
 * [#125] fix crash on UdpData::SomeoneSendmsg.
+* [#140] fix crash on TransWindow::TerminateTransTask.
 * [#132] fix file accepted when cancel the directory chooser dialog.
 
 ### refactor
diff --git a/src/iptux/CMakeLists.txt b/src/iptux/CMakeLists.txt
index 74aed42d..a52c0e03 100644
--- a/src/iptux/CMakeLists.txt
+++ b/src/iptux/CMakeLists.txt
@@ -42,7 +42,7 @@ add_library(iptux
 	utils.cpp
 	wrapper.cpp
 	WindowConfig.cpp
-        TransWindow.cpp TransWindow.h TransFileModel.cpp TransFileModel.h TransAbstract.cpp TransAbstract.h UiUtils.cpp UiUtils.h)
+        TransWindow.cpp TransWindow.h TransFileModel.cpp TransFileModel.h TransAbstract.cpp TransAbstract.h UiUtils.cpp UiUtils.h UiModels.h UiModels.cpp)
 
 
 add_executable(libiptux_test
diff --git a/src/iptux/MainWindow.cpp b/src/iptux/MainWindow.cpp
index 69cb3945..b8480173 100644
--- a/src/iptux/MainWindow.cpp
+++ b/src/iptux/MainWindow.cpp
@@ -31,13 +31,12 @@
 #include "iptux/output.h"
 #include "iptux/TransWindow.h"
 #include "iptux/UiUtils.h"
+#include "iptux/UiModels.h"
 
 using namespace std;
 
 namespace iptux {
 
-static const int TRANS_TREE_MAX = 14;
-
 /**
  * 类构造函数.
  */
@@ -85,7 +84,7 @@ void MainWindow::CreateWindow() {
   /* 创建主窗口 */
   window = CreateMainWindow();
   g_object_set_data(G_OBJECT(window), "iptux-config", &config);
-  g_object_set_data_full(G_OBJECT(window), "trans-model", CreateTransModel(),
+  g_object_set_data_full(G_OBJECT(window), "trans-model", trans_model_new(),
                            GDestroyNotify(g_object_unref));
 
   gtk_container_add(GTK_CONTAINER(window), CreateAllArea());
@@ -430,7 +429,7 @@ void MainWindow::UpdateItemToTransTree(const TransFileModel& para) {
   bool found = false;
   if (gtk_tree_model_get_iter_first(model, &iter)) {
     do {
-      gtk_tree_model_get(model, &iter, TRANS_TREE_MAX, &data, -1);
+      gtk_tree_model_get(model, &iter, TransModelColumn::PARA, &data, -1);
       if (gpointer(&para) == data) {
         found = true;
         break;
@@ -439,7 +438,7 @@ void MainWindow::UpdateItemToTransTree(const TransFileModel& para) {
   }
   if (!found) {
     gtk_list_store_append(GTK_LIST_STORE(model), &iter);
-    gtk_list_store_set(GTK_LIST_STORE(model), &iter, TRANS_TREE_MAX, &para, -1);
+    gtk_list_store_set(GTK_LIST_STORE(model), &iter, TransModelColumn::PARA, &para, -1);
   }
 
   /**
@@ -447,7 +446,7 @@ void MainWindow::UpdateItemToTransTree(const TransFileModel& para) {
    * 时应该清空参数指针值，以防止其他后来项误认此项为自己的大本营.
    */
   if (!para.getData()) {
-    gtk_list_store_set(GTK_LIST_STORE(model), &iter, TRANS_TREE_MAX, NULL, -1);
+    gtk_list_store_set(GTK_LIST_STORE(model), &iter, TransModelColumn::PARA, NULL, -1);
   }
 
   /* 重设数据 */
@@ -475,7 +474,7 @@ bool MainWindow::TransmissionActive() {
   model = GTK_TREE_MODEL(g_object_get_data(G_OBJECT(window), "trans-model"));
   if (gtk_tree_model_get_iter_first(model, &iter)) {
     do {
-      gtk_tree_model_get(model, &iter, TRANS_TREE_MAX, &data, -1);
+      gtk_tree_model_get(model, &iter, TransModelColumn::PARA, &data, -1);
       if (data) break;
     } while (gtk_tree_model_iter_next(model, &iter));
   }
@@ -749,28 +748,6 @@ GtkTreeModel *MainWindow::CreatePallistModel() {
   return GTK_TREE_MODEL(model);
 }
 
-/**
- * 文件传输树(trans-tree)底层数据结构.
- * 14,0 status,1 task,2 peer,3 ip,4 filename,5 filelength,6 finishlength,7
- * progress, 8 pro-text,9 cost,10 remain,11 rate,12,pathname,13 data,14 para \n
- * 任务状态;任务类型;任务对端;文件名(如果当前是文件夹，该项指正在传输的文件夹内单个文件,
- * 整个文件夹传输完成后,该项指向当前是文件夹);文件长度;完成长度;完成进度;
- * 进度串;已花费时间;任务剩余时间;传输速度;带路径文件名(不显示);文件传输类;参数指针值
- * \n
- * @return trans-model
- */
-GtkTreeModel *MainWindow::CreateTransModel() {
-  GtkListStore *model;
-
-  model = gtk_list_store_new(15, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
-                             G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
-                             G_TYPE_STRING, G_TYPE_INT, G_TYPE_STRING,
-                             G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
-                             G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_POINTER);
-
-  return GTK_TREE_MODEL(model);
-}
-
 /**
  * 创建好友树(paltree).
  * @param model paltree-model
diff --git a/src/iptux/MainWindow.h b/src/iptux/MainWindow.h
index 74844fc3..9c59a005 100644
--- a/src/iptux/MainWindow.h
+++ b/src/iptux/MainWindow.h
@@ -97,7 +97,6 @@ class MainWindow {
 
   GtkTreeModel *CreatePaltreeModel();
   GtkTreeModel *CreatePallistModel();
-  GtkTreeModel *CreateTransModel();
   GtkWidget *CreatePaltreeTree(GtkTreeModel *model);
   GtkWidget *CreatePallistTree(GtkTreeModel *model);
 
diff --git a/src/iptux/RecvFileData.cpp b/src/iptux/RecvFileData.cpp
index 6cb4537e..1f303038 100644
--- a/src/iptux/RecvFileData.cpp
+++ b/src/iptux/RecvFileData.cpp
@@ -371,7 +371,7 @@ void RecvFileData::UpdateUIParaToOver() {
         .setRate("");
     file->finishedsize = file->filesize;
   }
-  para.setData(nullptr);
+  para.finish();
 }
 
-}  // namespace iptux
\ No newline at end of file
+}  // namespace iptux
diff --git a/src/iptux/SendFileData.cpp b/src/iptux/SendFileData.cpp
index cb493065..1841f8cb 100644
--- a/src/iptux/SendFileData.cpp
+++ b/src/iptux/SendFileData.cpp
@@ -329,7 +329,7 @@ void SendFileData::UpdateUIParaToOver() {
         .setRemain("")
         .setRate("");
   }
-  para.setData(nullptr);
+  para.finish();
 }
 
 }  // namespace iptux
diff --git a/src/iptux/TransFileModel.cpp b/src/iptux/TransFileModel.cpp
index 44001386..9ee92f81 100644
--- a/src/iptux/TransFileModel.cpp
+++ b/src/iptux/TransFileModel.cpp
@@ -4,6 +4,14 @@
 #include <glib.h>
 
 namespace iptux {
+
+TransFileModel::TransFileModel()
+: fileLength(0),
+  finishedLength(0),
+  finished(false),
+  data(nullptr) {
+}
+
 TransFileModel& TransFileModel::setStatus(const std::string& value) {
   status = value;
   return *this;
@@ -60,10 +68,16 @@ TransFileModel& TransFileModel::setFilePath(const std::string& value) {
 }
 
 TransFileModel& TransFileModel::setData(TransAbstract* value) {
+  g_assert_nonnull(value);
   data = value;
   return *this;
 }
 
+void TransFileModel::finish() {
+  finished = true;
+  data = nullptr;
+}
+
 const std::string& TransFileModel::getStatus() const {
   return status;
 }
@@ -133,4 +147,8 @@ int64_t TransFileModel::getFileLength() const {
   return fileLength;
 }
 
-}
\ No newline at end of file
+bool TransFileModel::isFinished() const {
+  return finished;
+}
+
+}
diff --git a/src/iptux/TransFileModel.h b/src/iptux/TransFileModel.h
index 760ae856..f66a233b 100644
--- a/src/iptux/TransFileModel.h
+++ b/src/iptux/TransFileModel.h
@@ -9,6 +9,8 @@ class TransAbstract;
 
 class TransFileModel {
  public:
+  TransFileModel();
+
   TransFileModel &setStatus(const std::string &value);
   TransFileModel &setTask(const std::string &value);
   TransFileModel &setPeer(const std::string &value);
@@ -20,7 +22,14 @@ class TransFileModel {
   TransFileModel &setRemain(const std::string &value);
   TransFileModel &setRate(const std::string &value);
   TransFileModel &setFilePath(const std::string &value);
+
+  /**
+   *
+   * @param value not null
+   * @return
+   */
   TransFileModel &setData(TransAbstract *value);
+  void finish();
 
   const std::string &getStatus() const;
   const std::string &getTask() const;
@@ -37,6 +46,7 @@ class TransFileModel {
   const std::string &getRate() const;
   const std::string &getFilePath() const;
   TransAbstract *getData() const;
+  bool isFinished() const;
  private:
   std::string status;
   std::string task;
@@ -49,6 +59,7 @@ class TransFileModel {
   std::string remain;
   std::string rate;
   std::string filePath;
+  bool finished;
   TransAbstract *data;
 };
 
diff --git a/src/iptux/TransWindow.cpp b/src/iptux/TransWindow.cpp
index afbecfe4..9c07710a 100644
--- a/src/iptux/TransWindow.cpp
+++ b/src/iptux/TransWindow.cpp
@@ -8,13 +8,13 @@
 #include "iptux/deplib.h"
 #include "iptux/TransAbstract.h"
 #include "iptux/UiUtils.h"
+#include "output.h"
+#include "UiModels.h"
 
 #define IPTUX_PRIVATE "iptux-private"
 
 namespace iptux {
 
-static const int TRANS_TREE_MAX = 14;
-
 class TransWindowPrivate {
  public:
   GtkWidget* transTreeviewWidget;
@@ -27,7 +27,7 @@ class TransWindowPrivate {
 
 static gboolean TWinConfigureEvent(GtkWindow *window);
 static GtkWidget * CreateTransArea(GtkWindow* window);
-static GtkWidget* CreateTransTree(GtkTreeModel *model);
+static GtkWidget* CreateTransTree(TransWindow *window);
 static GtkWidget *CreateTransPopupMenu(GtkTreeModel *model);
 static void OpenThisFile(GtkTreeModel *model);
 static void ClearTransTask(GtkTreeModel *model);
@@ -133,8 +133,7 @@ GtkWidget * CreateTransArea(GtkWindow* window) {
   gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(sw),
                                       GTK_SHADOW_ETCHED_IN);
   gtk_box_pack_start(GTK_BOX(box), sw, TRUE, TRUE, 0);
-  model = trans_window_get_trans_model(window);
-  widget = CreateTransTree(model);
+  widget = CreateTransTree(window);
   gtk_container_add(GTK_CONTAINER(sw), widget);
   getPriv(window).transTreeviewWidget = widget;
 
@@ -193,12 +192,13 @@ static gboolean TransPopupMenu(GtkWidget *treeview,
  * @param model trans-model
  * @return 传输树
  */
-GtkWidget* CreateTransTree(GtkTreeModel *model) {
+GtkWidget* CreateTransTree(TransWindow *window) {
   GtkWidget *view;
   GtkTreeViewColumn *column;
   GtkCellRenderer *cell;
   GtkTreeSelection *selection;
 
+  auto model = trans_window_get_trans_model(window);
   view = gtk_tree_view_new_with_model(model);
   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), TRUE);
   gtk_tree_view_set_rubber_banding(GTK_TREE_VIEW(view), TRUE);
@@ -208,67 +208,79 @@ GtkWidget* CreateTransTree(GtkTreeModel *model) {
                    NULL);
 
   cell = gtk_cell_renderer_pixbuf_new();
-  column = gtk_tree_view_column_new_with_attributes(_("State"), cell, "icon-name",
-                                                    0, NULL);
+  column = gtk_tree_view_column_new_with_attributes(_("State"), cell,
+                                                    "icon-name", TransModelColumn::STATUS,
+                                                    NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_text_new();
-  column = gtk_tree_view_column_new_with_attributes(_("Task"), cell, "text", 1,
+  column = gtk_tree_view_column_new_with_attributes(_("Task"), cell,
+                                                    "text", TransModelColumn::TASK,
                                                     NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_text_new();
-  column = gtk_tree_view_column_new_with_attributes(_("Peer"), cell, "text", 2,
+  column = gtk_tree_view_column_new_with_attributes(_("Peer"), cell,
+                                                    "text", TransModelColumn::PEER,
                                                     NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_text_new();
-  column = gtk_tree_view_column_new_with_attributes(_("IPv4"), cell, "text", 3,
+  column = gtk_tree_view_column_new_with_attributes(_("IPv4"), cell,
+                                                    "text", TransModelColumn::IP,
                                                     NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_text_new();
-  column = gtk_tree_view_column_new_with_attributes(_("Filename"), cell, "text",
-                                                    4, NULL);
+  column = gtk_tree_view_column_new_with_attributes(_("Filename"), cell,
+                                                    "text", TransModelColumn::FILENAME,
+                                                    NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_text_new();
-  column = gtk_tree_view_column_new_with_attributes(_("Size"), cell, "text", 5,
+  column = gtk_tree_view_column_new_with_attributes(_("Size"), cell,
+                                                    "text", TransModelColumn::FILE_LENGTH_TEXT,
                                                     NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_text_new();
   column = gtk_tree_view_column_new_with_attributes(_("Completed"), cell,
-                                                    "text", 6, NULL);
+                                                    "text", TransModelColumn::FINISHED_LENGTH_TEXT,
+                                                    NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_progress_new();
-  column = gtk_tree_view_column_new_with_attributes(
-      _("Progress"), cell, "value", 7, "text", 8, NULL);
+  column = gtk_tree_view_column_new_with_attributes(_("Progress"), cell,
+                                                    "value", TransModelColumn::PROGRESS,
+                                                    "text", TransModelColumn::PROGRESS_TEXT,
+                                                    NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_text_new();
-  column = gtk_tree_view_column_new_with_attributes(_("Cost"), cell, "text", 9,
+  column = gtk_tree_view_column_new_with_attributes(_("Cost"), cell,
+                                                    "text", TransModelColumn::COST,
                                                     NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_text_new();
   column = gtk_tree_view_column_new_with_attributes(_("Remaining"), cell,
-                                                    "text", 10, NULL);
+                                                    "text", TransModelColumn::REMAIN,
+                                                    NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
 
   cell = gtk_cell_renderer_text_new();
-  column = gtk_tree_view_column_new_with_attributes(_("Rate"), cell, "text", 11,
+  column = gtk_tree_view_column_new_with_attributes(_("Rate"), cell,
+                                                    "text", TransModelColumn::RATE,
                                                     NULL);
   gtk_tree_view_column_set_resizable(column, TRUE);
   gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
@@ -288,7 +300,7 @@ static void OpenContainingFolder(GtkTreeModel *model) {
                                                  "selected-path"))))
     return;
   gtk_tree_model_get_iter(model, &iter, path);
-  gtk_tree_model_get(model, &iter, 12, &filename, -1);
+  gtk_tree_model_get(model, &iter, TransModelColumn::FILE_PATH, &filename, -1);
   if (filename) {
     name = ipmsg_get_filename_me(filename, &filepath);
     if (!g_file_test(filepath, G_FILE_TEST_EXISTS)) {
@@ -314,13 +326,26 @@ static void TerminateTransTask(GtkTreeModel *model) {
   GtkTreePath *path;
   GtkTreeIter iter;
   TransAbstract *trans;
+  gboolean finished;
 
   if (!(path = (GtkTreePath *)(g_object_get_data(G_OBJECT(model),
                                                  "selected-path"))))
     return;
   gtk_tree_model_get_iter(model, &iter, path);
-  gtk_tree_model_get(model, &iter, 12, &trans, -1);
-  if (trans) trans->TerminateTrans();
+  gtk_tree_model_get(model, &iter,
+                     TransModelColumn ::DATA, &trans,
+                     TransModelColumn ::FINISHED, &finished,
+                     -1);
+  if(finished) {
+    return;
+  }
+
+  if(!trans) {
+    LOG_WARN("task not finished but trans is not null");
+    return;
+  }
+
+  trans->TerminateTrans();
 }
 
 
@@ -334,7 +359,7 @@ static void TerminateAllTransTask(GtkTreeModel *model) {
 
   if (!gtk_tree_model_get_iter_first(model, &iter)) return;
   do {
-    gtk_tree_model_get(model, &iter, 12, &trans, -1);
+    gtk_tree_model_get(model, &iter, TransModelColumn ::DATA, &trans, -1);
     if (trans) trans->TerminateTrans();
   } while (gtk_tree_model_iter_next(model, &iter));
 }
@@ -350,7 +375,7 @@ void ClearTransTask(GtkTreeModel *model) {
   if (!gtk_tree_model_get_iter_first(model, &iter)) return;
   do {
     mark:
-    gtk_tree_model_get(model, &iter, 12, &data, -1);
+    gtk_tree_model_get(model, &iter, TransModelColumn ::DATA, &data, -1);
     if (!data) {
       if (gtk_list_store_remove(GTK_LIST_STORE(model), &iter)) goto mark;
       break;
@@ -369,16 +394,13 @@ GtkWidget *CreateTransPopupMenu(GtkTreeModel *model) {
 
   GtkTreePath *path;
   GtkTreeIter iter;
-  gchar *remaining;
-  gboolean sensitive = TRUE;
+  bool finished;
 
   if (!(path = (GtkTreePath *)(g_object_get_data(G_OBJECT(model),
                                                  "selected-path"))))
     return NULL;
   gtk_tree_model_get_iter(model, &iter, path);
-  gtk_tree_model_get(model, &iter, 10, &remaining, -1);
-
-  if (g_strcmp0(remaining, "")) sensitive = FALSE;
+  gtk_tree_model_get(model, &iter, TransModelColumn ::FINISHED, &finished, -1);
 
   menu = gtk_menu_new();
 
@@ -386,18 +408,19 @@ GtkWidget *CreateTransPopupMenu(GtkTreeModel *model) {
   gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
   g_signal_connect_swapped(menuitem, "activate", G_CALLBACK(OpenThisFile),
                            model);
-  gtk_widget_set_sensitive(GTK_WIDGET(menuitem), sensitive);
+  gtk_widget_set_sensitive(GTK_WIDGET(menuitem), finished);
 
   menuitem = gtk_menu_item_new_with_label(_("Open Containing Folder"));
   gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
   g_signal_connect_swapped(menuitem, "activate",
                            G_CALLBACK(OpenContainingFolder), model);
-  gtk_widget_set_sensitive(GTK_WIDGET(menuitem), sensitive);
+  gtk_widget_set_sensitive(GTK_WIDGET(menuitem), finished);
 
   menuitem = gtk_menu_item_new_with_label(_("Terminate Task"));
   gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
   g_signal_connect_swapped(menuitem, "activate", G_CALLBACK(TerminateTransTask),
                            model);
+  gtk_widget_set_sensitive(GTK_WIDGET(menuitem), !finished);
 
   menuitem = gtk_menu_item_new_with_label(_("Terminate All"));
   gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
@@ -425,7 +448,7 @@ void OpenThisFile(GtkTreeModel *model) {
                                                  "selected-path"))))
     return;
   gtk_tree_model_get_iter(model, &iter, path);
-  gtk_tree_model_get(model, &iter, 12, &filename, -1);
+  gtk_tree_model_get(model, &iter, TransModelColumn ::FILE_PATH, &filename, -1);
   if (filename) {
     if (!g_file_test(filename, G_FILE_TEST_EXISTS)) {
       GtkWidget *dialog = gtk_message_dialog_new(
@@ -458,7 +481,7 @@ gboolean UpdateTransUI(GtkWindow *window) {
 
   /* 更新UI */
   do {
-    gtk_tree_model_get(model, &iter, TRANS_TREE_MAX - 1, &trans, -1);
+    gtk_tree_model_get(model, &iter, TransModelColumn ::DATA, &trans, -1);
     if (trans) {  //当文件传输类存在时才能更新
       const TransFileModel& transFileModel = trans->getTransFileModel();  //获取参数
       UiUtils::applyTransFileModel2GtkListStore(transFileModel, GTK_LIST_STORE(model), &iter);
diff --git a/src/iptux/UiModels.cpp b/src/iptux/UiModels.cpp
new file mode 100644
index 00000000..0f9bc279
--- /dev/null
+++ b/src/iptux/UiModels.cpp
@@ -0,0 +1,29 @@
+#include "UiModels.h"
+
+namespace iptux {
+
+/**
+ * 文件传输树(trans-tree)底层数据结构.
+ * 14,0 status,1 task,2 peer,3 ip,4 filename,5 filelength,6 finishlength,7
+ * progress, 8 pro-text,9 cost,10 remain,11 rate,12,pathname,13 data,14 para, 15 finished
+ *
+ * 任务状态;任务类型;任务对端;文件名(如果当前是文件夹，该项指正在传输的文件夹内单个文件,
+ * 整个文件夹传输完成后,该项指向当前是文件夹);文件长度;完成长度;完成进度;
+ * 进度串;已花费时间;任务剩余时间;传输速度;带路径文件名(不显示);文件传输类;参数指针值
+ *
+ * @return trans-model
+ */
+TransModel* trans_model_new() {
+  GtkListStore *model;
+
+  model = gtk_list_store_new(int(TransModelColumn::N_COLUMNS),
+                             G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
+                             G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
+                             G_TYPE_STRING, G_TYPE_INT, G_TYPE_STRING,
+                             G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
+                             G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_POINTER,
+                             G_TYPE_BOOLEAN);
+  return GTK_TREE_MODEL(model);
+}
+
+}
diff --git a/src/iptux/UiModels.h b/src/iptux/UiModels.h
new file mode 100644
index 00000000..5471f243
--- /dev/null
+++ b/src/iptux/UiModels.h
@@ -0,0 +1,23 @@
+#ifndef IPTUX_UIMODELS_H
+#define IPTUX_UIMODELS_H
+
+#include <gtk/gtk.h>
+
+namespace iptux {
+
+typedef GtkTreeModel TransModel;
+TransModel* trans_model_new();
+enum class TransModelColumn {
+  STATUS, TASK, PEER, IP, FILENAME,
+  FILE_LENGTH_TEXT, FINISHED_LENGTH_TEXT, PROGRESS, PROGRESS_TEXT, COST,
+  REMAIN, RATE, FILE_PATH, DATA, PARA,
+  FINISHED,
+  N_COLUMNS
+};
+
+
+
+
+}
+
+#endif //IPTUX_UIMODELS_H
diff --git a/src/iptux/UiUtils.cpp b/src/iptux/UiUtils.cpp
index 39bafe5c..0e08b6ba 100644
--- a/src/iptux/UiUtils.cpp
+++ b/src/iptux/UiUtils.cpp
@@ -1,5 +1,7 @@
 #include "UiUtils.h"
 
+#include "iptux/UiModels.h"
+
 namespace iptux {
 
 void UiUtils::applyTransFileModel2GtkListStore(
@@ -8,20 +10,21 @@ void UiUtils::applyTransFileModel2GtkListStore(
     GtkTreeIter *iter) {
   gtk_list_store_set(
       list_store, iter,
-      0, para.getStatus().c_str(),
-      1, para.getTask().c_str(),
-      2, para.getPeer().c_str(),
-      3, para.getIp().c_str(),
-      4, para.getFilename().c_str(),
-      5, para.getFileLengthText().c_str(),
-      6, para.getFinishedLengthText().c_str(),
-      7, int(para.getProgress()),
-      8, g_strdup(para.getProgressText().c_str()),
-      9, para.getCost().c_str(),
-      10, para.getRemain().c_str(),
-      11, para.getRate().c_str(),
-      12, para.getFilePath().c_str(),
-      13, para.getData(),
+      TransModelColumn::STATUS, para.getStatus().c_str(),
+      TransModelColumn::TASK, para.getTask().c_str(),
+      TransModelColumn::PEER, para.getPeer().c_str(),
+      TransModelColumn::IP, para.getIp().c_str(),
+      TransModelColumn::FILENAME, para.getFilename().c_str(),
+      TransModelColumn::FILE_LENGTH_TEXT, para.getFileLengthText().c_str(),
+      TransModelColumn::FINISHED_LENGTH_TEXT, para.getFinishedLengthText().c_str(),
+      TransModelColumn::PROGRESS, int(para.getProgress()),
+      TransModelColumn::PROGRESS_TEXT, g_strdup(para.getProgressText().c_str()),
+      TransModelColumn::COST, para.getCost().c_str(),
+      TransModelColumn::REMAIN, para.getRemain().c_str(),
+      TransModelColumn::RATE, para.getRate().c_str(),
+      TransModelColumn::FILE_PATH, para.getFilePath().c_str(),
+      TransModelColumn::DATA, para.getData(),
+      TransModelColumn::FINISHED, para.isFinished(),
       -1);
 }
 }