diff --git a/application/controllers/info_tags.php b/application/controllers/info_tags.php
new file mode 100644
index 00000000..0469102f
--- /dev/null
+++ b/application/controllers/info_tags.php
@@ -0,0 +1,128 @@
+<?php
+
+if (!defined('BASEPATH'))
+    exit('No direct script access allowed');
+
+class Info_tags extends CI_Controller
+{
+
+    function __construct()
+    {
+        parent::__construct();
+        $this->permission->is_admin();
+        //$this->output->enable_profiler(TRUE);
+        $this->load->model('Information_model');
+        $this->load->model('InfoTags_model');
+    }
+
+	/**
+     * 添加标签
+     */
+    public function add_tag()
+    {
+        $this->InfoTags_model->it_title = $this->input->get_post('title');
+        $this->InfoTags_model->it_memo = $this->input->get_post('memo');
+        $return = $this->InfoTags_model->add_tag();
+        if ($return == 'success') 
+        {
+            echo(json_encode(array(
+                'status' => 1,
+                'message' => '添加标签成功'
+            )));
+        } 
+        else if ($return == 'exist') 
+        {
+            echo(json_encode(array(
+                'status' => 2,
+                'message' => '标签已存在'
+            )));
+        } 
+        else 
+        {
+            echo(json_encode(array(
+                'status' => -1,
+                'message' => '添加标签失败'
+            )));
+        }
+    }
+
+    /**
+     * 删除标签
+     */
+    public function remove_tag()
+    {
+        $this->InfoTags_model->it_title = $this->input->get_post('title');
+        $return = $this->InfoTags_model->remove_tag();
+        if ($return == 'success') 
+        {
+            echo(json_encode(array(
+                'status' => 1,
+                'message' => '删除标签成功'
+            )));
+        }  
+        else 
+        {
+            echo(json_encode(array(
+                'status' => -1,
+                'message' => '删除标签失败'
+            )));
+        }
+    }
+
+    /**
+     * 添加关联信息+标签
+     */
+    public function add_tag_to_content()
+    {
+        $this->InfoTags_model->ic_id = $this->input->get_post('ic_id');
+        $this->InfoTags_model->it_id = $this->input->get_post('it_id');
+        $return = $this->InfoTags_model->add_tag_to_content();
+        if ($return == 'success') 
+        {
+            echo(json_encode(array(
+                'status' => 1,
+                'message' => '关联信息标签成功'
+            )));
+        } 
+        else if ($return == 'exist') 
+        {
+            echo(json_encode(array(
+                'status' => 2,
+                'message' => '关联信息标签已存在'
+            )));
+        } 
+        else 
+        {
+            echo(json_encode(array(
+                'status' => -1,
+                'message' => '关联信息标签失败'
+            )));
+        }
+    }
+
+    /**
+     * 移除关联信息+标签
+     */
+    public function remove_tag_to_content()
+    {
+        $this->InfoTags_model->ic_id = $this->input->get_post('ic_id');
+        $this->InfoTags_model->it_id = $this->input->get_post('it_id');
+        $return = $this->InfoTags_model->remove_tag_to_content();
+        if ($return == 'success') 
+        {
+            echo(json_encode(array(
+                'status' => 1,
+                'message' => '移除关联信息标签成功'
+            )));
+        } 
+        else 
+        {
+            echo(json_encode(array(
+                'status' => -1,
+                'message' => '移除关联信息标签失败'
+            )));
+        }
+    }
+
+}
+
diff --git a/application/models/infoTags_mode.php b/application/models/infoTags_model.php
similarity index 79%
rename from application/models/infoTags_mode.php
rename to application/models/infoTags_model.php
index b52a33bc..0768ca1b 100644
--- a/application/models/infoTags_mode.php
+++ b/application/models/infoTags_model.php
@@ -4,7 +4,7 @@ class InfoTags_model extends CI_Model
 {
     //信息标签表
     var $it_title = '';
-    var $it_memu = '';
+    var $it_memo = '';
     //信息标签关联表
     var $ic_id = '';
     var $it_id = '';
@@ -23,18 +23,22 @@ class InfoTags_model extends CI_Model
         if ($this->it_title) 
         {
             //查看是否已存在标签
-            $sql = "SELECT TOP 1 * from infoTags  WHERE ic_title = N?";
+            $sql = "SELECT TOP 1 * from infoTags  WHERE it_title = N?";
             $check = $this->HT->query($sql, array($this->it_title));
 
             //添加标签
-            if ($query->num_rows() === 0)
+            if ($check->num_rows() === 0)
             {
                 $sql = "INSERT INTO infoTags (it_title, it_memo) VALUES (N?, N?)";
-                $query = $this->HT->query($sql, array($this->it_title, $this->it_memu));
+                $query = $this->HT->query($sql, array($this->it_title, $this->it_memo));
+            }
+            else 
+            {
+                return 'exist';
             }
-            return true;
+            return 'success';
         }
-        return false;
+        return 'fail';
     }
 
     /**
@@ -46,9 +50,9 @@ class InfoTags_model extends CI_Model
         {
             $sql = "DELETE FROM infoTags WHERE it_title = N?";
             $query = $this->HT->query($sql, array($this->it_title));
-            return true;
+            return 'success';
         }
-        return false;
+        return 'fail';
     }
 
     /**
@@ -68,9 +72,13 @@ class InfoTags_model extends CI_Model
                 $sql = "INSERT INTO infoContentToTag (ic_id, it_id) VALUES (?, ?)";
                 $query = $this->HT->query($sql, array($this->ic_id, $this->it_id));
             }
-            return true;
+            else
+            {
+                return 'exist';
+            }
+            return 'success';
         }
-        return false;
+        return 'fail';
     }
 
     /**
@@ -82,9 +90,9 @@ class InfoTags_model extends CI_Model
         {
             $sql = "DELETE FROM infoContentToTag WHERE ic_id = ? and it_id = ?";
             $query = $this->HT->query($sql, array($this->ic_id, $this->it_id));
-            return true;
+            return 'success';
         }
-        return false;
+        return 'fail';
     }
 
 }