diff --git a/src/libappdata/app-group-model.cpp b/src/libappdata/app-group-model.cpp
index 4974175..4dbb0d4 100644
--- a/src/libappdata/app-group-model.cpp
+++ b/src/libappdata/app-group-model.cpp
@@ -241,25 +241,34 @@ int AppGroupModel::findGroupIndex(const QModelIndex &sourceIndex) const
 
 void AppGroupModel::insertApp(int groupIndex, const QModelIndex &sourceIndex)
 {
+    int newIndex = sourceIndex.row();
     if (groupIndex < 0 || groupIndex >= m_groups.size()) {
-        beginInsertRows(QModelIndex(), m_groups.size(), m_groups.size());
-        m_groups.append(new QVector<int>(1, sourceIndex.row()));
+        if (newIndex > 0) {
+            // 查找前一个item的index
+            newIndex = findGroupIndex(sourceModel()->index(--newIndex, 0));
+            if (newIndex < 0) {
+                newIndex = m_groups.size();
+            } else {
+                ++newIndex;
+            }
+        }
+
+        beginInsertRows(QModelIndex(), newIndex, newIndex);
+        m_groups.insert(newIndex, new QVector<int>(1, sourceIndex.row()));
         endInsertRows();
         return;
     }
 
-
     int index = 0;
-    int newItem = sourceIndex.row();
     QVector<int> *subItems = m_groups[groupIndex];
     for (; index < subItems->size(); ++index) {
-        if (newItem < subItems->at(index)) {
+        if (newIndex < subItems->at(index)) {
             break;
         }
     }
 
     beginInsertRows(AppGroupModel::index(groupIndex, 0, QModelIndex()), index, index);
-    subItems->insert(index, newItem);
+    subItems->insert(index, newIndex);
     endInsertRows();
 }