diff --git a/插件库/Lskj.Control/TreeViewEx.cs b/插件库/Lskj.Control/TreeViewEx.cs
index 9ac3c8f..fe3e92e 100644
--- a/插件库/Lskj.Control/TreeViewEx.cs
+++ b/插件库/Lskj.Control/TreeViewEx.cs
@@ -122,7 +122,7 @@ namespace Lskj.Control
                     lengthLimitation = int.Parse(TreeNodeLength);
                     treeTable = treeTable.Rows.Cast<DataRow>().Where(y => !string.IsNullOrEmpty(y[TreeNodeKeyField] + "") && (y[TreeNodeKeyField] + "").Length <= lengthLimitation).OrderBy(x => x[TreeNodeKeyField]).CopyToDataTable();
                 }
-
+                Dictionary<string, List<TreeNode>> nodesDic = new Dictionary<string, List<TreeNode>>();
                 for (int i = 0; i < treeTable.Rows.Count; i++)
                 {
                     DataRow dr = treeTable.Rows[i];
@@ -131,53 +131,97 @@ namespace Lskj.Control
 
                     if (SystemInfo.Instance.TreeSpecialBinding && treeTable.Columns.Contains("pid"))
                     {
-                        string pKey = dr["pid"]+"";
+                        string pKey = dr["pid"] + "";
                         //pKey = pKey.Substring(0, pKey.Length - 1);
                         TreeNode[] nodes = tvMain.Nodes.Find(pKey, true);
                         if (nodes.Count() > 0)
                         {
                             TreeNode tNode = nodes[0].Nodes.Add(tnKey, tnStr);
+                            if (nodesDic.ContainsKey(tnKey))
+                            {
+                                List<TreeNode> childNodesList = nodesDic[tnKey];
+                                childNodesList.Add(tNode);
+                            }
+                            else
+                            {
+                                List<TreeNode> childNodesList = new List<TreeNode>();
+                                childNodesList.Add(tNode);
+                                nodesDic.Add(tnKey, childNodesList);
+                            }
                             tNode.Tag = tnKey;
                         }
                         else
                         {
                             TreeNode tNode = this.TreeView.Nodes.Add(tnKey, tnStr);
+                            if (!nodesDic.ContainsKey(tnKey))
+                            {
+                                nodesDic.Add(tnKey, new List<TreeNode>());
+                            }
                             tNode.Tag = tnKey;
                         }
                     }
-                    else 
+                    else
                     {
                         if (tnKey.Length >= TreeDigit * 2)
                         {
                             string pKey = tnKey.Substring(0, tnKey.Length - TreeDigit);
+                            //List<TreeNode> nodes = nodesDic.ContainsKey(pKey) ? nodesDic[pKey] : new List<TreeNode>();
                             TreeNode[] nodes = tvMain.Nodes.Find(pKey, true);
                             if (nodes.Count() > 0)
                             {
                                 TreeNode tNode = nodes[0].Nodes.Add(tnKey, tnStr);
+                                if (nodesDic.ContainsKey(tnKey))
+                                {
+                                    List<TreeNode> childNodesList = nodesDic[tnKey];
+                                    childNodesList.Add(tNode);
+                                }
+                                else
+                                {
+                                    List<TreeNode> childNodesList = new List<TreeNode>();
+                                    childNodesList.Add(tNode);
+                                    nodesDic.Add(tnKey, childNodesList);
+                                }
                                 tNode.Tag = tnKey;
                             }
                             else
                             {
                                 TreeNode tNode = this.TreeView.Nodes.Add(tnKey, tnStr);
+                                if (nodesDic.ContainsKey(tnKey))
+                                {
+                                    List<TreeNode> childNodesList = nodesDic[tnKey];
+                                    childNodesList.Add(tNode);
+                                }
+                                else
+                                {
+                                    List<TreeNode> childNodesList = new List<TreeNode>();
+                                    childNodesList.Add(tNode);
+                                    nodesDic.Add(tnKey, childNodesList);
+                                }
                                 tNode.Tag = tnKey;
                             }
                         }
                         else
                         {
                             TreeNode node = tvMain.Nodes.Add(tnKey, tnStr);
+                            if (nodesDic.ContainsKey(tnKey))
+                            {
+                                List<TreeNode> childNodesList = nodesDic[tnKey];
+                                childNodesList.Add(node);
+                            }
+                            else
+                            {
+                                List<TreeNode> childNodesList = new List<TreeNode>();
+                                childNodesList.Add(node);
+                                nodesDic.Add(tnKey, childNodesList);
+                            }
                             node.Tag = tnKey;
                         }
                     }
-
-                  
                 }
-
-
                 if (!string.IsNullOrWhiteSpace(TreeNodeLength))
                 {
                     treeTable = treeTableNew.Copy();
                     treeTable = treeTable.Rows.Cast<DataRow>().Where(y => !string.IsNullOrEmpty(y[TreeNodeKeyField] + "") && (y[TreeNodeKeyField] + "").Length > lengthLimitation).OrderBy(x => x[sort]).CopyToDataTable();
-
                     for (int i = 0; i < treeTable.Rows.Count; i++)
                     {
                         DataRow dr = treeTable.Rows[i];
@@ -185,7 +229,6 @@ namespace Lskj.Control
                         string tnStr = dr[TreeNodeTextField] + "";
                         string tnKeyNew = tnKey.Substring(0, lengthLimitation);
                         string sortValue = dr[sort] + "";
-
                         if (!sortValue.Contains("-"))
                         {
                             //没有包含 - ，直接加入指定位数的节点中
@@ -193,14 +236,28 @@ namespace Lskj.Control
                             if (nodes.Count() > 0)
                             {
                                 TreeNode tNode = nodes[0].Nodes.Add(tnKey, tnStr);
+                                if (nodesDic.ContainsKey(tnKey))
+                                {
+                                    List<TreeNode> childNodesList = nodesDic[tnKey];
+                                    childNodesList.Add(tNode);
+                                }
+                                else
+                                {
+                                    List<TreeNode> childNodesList = new List<TreeNode>();
+                                    childNodesList.Add(tNode);
+                                    nodesDic.Add(tnKey, childNodesList);
+                                }
                                 tNode.Tag = tnKey;
                             }
                             else
                             {
                                 TreeNode tNode = this.TreeView.Nodes.Add(tnKey, tnStr);
+                                if (!nodesDic.ContainsKey(tnKey))
+                                {
+                                    nodesDic.Add(tnKey, new List<TreeNode>());
+                                }
                                 tNode.Tag = tnKey;
                             }
-
                         }
                         else
                         {
@@ -215,30 +272,35 @@ namespace Lskj.Control
                                 if (nodes.Count() > 0)
                                 {
                                     TreeNode tNode = nodes[0].Nodes.Add(tnKey, tnStr);
+                                    if (nodesDic.ContainsKey(tnKey))
+                                    {
+                                        List<TreeNode> childNodesList = nodesDic[tnKey];
+                                        childNodesList.Add(tNode);
+                                    }
+                                    else
+                                    {
+                                        List<TreeNode> childNodesList = new List<TreeNode>();
+                                        childNodesList.Add(tNode);
+                                        nodesDic.Add(tnKey, childNodesList);
+                                    }
                                     tNode.Tag = tnKey;
                                 }
                                 else
                                 {
                                     TreeNode tNode = this.TreeView.Nodes.Add(tnKey, tnStr);
+                                    if (!nodesDic.ContainsKey(tnKey))
+                                    {
+                                        nodesDic.Add(tnKey, new List<TreeNode>());
+                                    }
                                     tNode.Tag = tnKey;
                                 }
                             }
-
                         }
-
-
                         //TreeNode[] nodes = tvMain.Nodes.Find(tnKeyNew, true);
-
                     }
-
                 }
-
-
-
-
             }
             this.tvMain.EndUpdate();
-
             // 默认展开第一个节点
             if (this.tvMain.Nodes.Count > 0)
                 this.tvMain.Nodes[0].Expand();
@@ -445,7 +507,7 @@ namespace Lskj.Control
                             tNode.Tag = tnKey;
                         }
                     }
-                    else 
+                    else
                     {
                         if (tnKey.Length > SpecNoLen)
                         {
@@ -1001,41 +1063,4 @@ namespace Lskj.Control
             if (node.Parent != null)
             {
                 node.Expand();
-                ExpandNode(node.Parent);
-            }
-        }
-
-
-
-        //获得符合条件的节点
-        private void SearchLayernew(TreeNode node, string name)
-        {
-            //node.BackColor = Color.White;
-            //node.ForeColor = Color.Black;
-            if (string.Equals(node.Text, name) || node.Text.Contains(name))
-            {
-                searchtreeNodes.Add(node);
-            }
-            if (node.Nodes.Count != 0)
-            {
-                for (int i = 0; i < node.Nodes.Count; i++)
-                {
-                    SearchLayernew(node.Nodes[i], name);
-                }
-            }
-        }
-
-        /// <summary>
-        /// 搜索框回车事件
-        /// </summary>
-        /// <param name="sender"></param>
-        /// <param name="e"></param>
-        private void txt_Key_KeyDown(object sender, KeyEventArgs e)
-        {
-            if (e.KeyCode == Keys.Enter)
-            {
-                BtnSearch_Click(null, null);
-            }
-        }
-    }
-}
+                ExpandNode(
\ No newline at end of file