diff --git a/application/default/controllers/HeiheController.php b/application/default/controllers/HeiheController.php
index 1573b56c..b031d431 100644
--- a/application/default/controllers/HeiheController.php
+++ b/application/default/controllers/HeiheController.php
@@ -1017,29 +1017,17 @@ class HeiheController extends DataController
 				return true;
 			}
 			
-			$sql = "SELECT * FROM $projectTable WHERE id=$pid";
-			$sth = $this->db->query($sql);
-			$row = $sth->fetch();
+			$level = $heihe->expertActive($pid,$invite);
 			
-			if(empty($row['expert_name']))
+			if($level>100)
 			{
-				$this->view->error = "此项目尚未邀请跟踪专家";
+				$this->view->error = "数据中心对您的邀请已经确认！感谢您的支持";
+				return true;
+			}else{
+				$this->view->error = $heihe->expertActiveError($level);
 				return true;
 			}
-			
-			$names = $this->getArray($row['expert_name']);
-			$emails = $this->getArray($row['expert_email']);
-			$validations = $this->getArray($row['expert_validation']);
-			$created = $this->getArray($row['expert_created']);
-			
-			if(!in_array($validations))
-			{
-				$this->view->error = "您不在被邀请的专家名单内";
-				return true;
-			}
-			
-			
-			
+
 		}//专家邀请链接
 		
 		
diff --git a/application/models/Heihe.php b/application/models/Heihe.php
index 1e595cdd..981e1e3e 100644
--- a/application/models/Heihe.php
+++ b/application/models/Heihe.php
@@ -52,5 +52,122 @@ class Heihe
 		return $rs;
 		
 	}
+	
+	//专家激活
+	public function expertActive($pid,$code)
+	{
+		try{
+			$sql = "SELECT * FROM ".$this->tbl_heiheproject." WHERE id=$pid";
+			$sth = $this->db->query($sql);
+			$row = $sth->fetch();
+			
+			//没有邀请专家
+			if(empty($row['expert_name']))
+			{
+				return 1;
+			}
+			
+			$validations = $this->getArray($row['expert_validation']);
+			$status = $this->getArray($row['expert_activated']);
+			
+			if(!in_array($code,$validations))
+			{
+				return 2;
+			}
+			
+			$key = $this->getKey($validations,$code);
+			
+			if(!empty($status))
+			{
+				if(isset($status[$key]))
+				{
+					return 3;
+				}
+				
+				$time = array($code,date("Y-m-d H:i:s",time()));
+				
+				$time = array($this->mkArray($time));
+				
+				$new_status = array_splice($status,$key,0,$time);
+				
+				$new_status = $this->mkArray($new_status);
+				
+				$sql = "UPDATE ".$this->tbl_heiheproject." SET expert_activated=?";
+				$sth = $this->db->prepare($sql);
+				if($sth->execute(array($new_status)))
+				{
+					return 200;
+				}
+			}else{
+				
+				$time = date("Y-m-d H:i:s",time());
+				
+				$new_status = "{{".$code.",".$time."}}";
+				
+				$sql = "UPDATE ".$this->tbl_heiheproject." SET expert_activated=?";
+				$sth = $this->db->prepare($sql);
+				if($sth->execute(array($new_status)))
+				{
+					return 200;
+				}
+			}
+
+		}catch(Execaption $e){
+			return 50;
+		}
+
+	}
+
+	public function expertActiveError($level){
+		
+		$errors = array(
+			1 => "该汇交计划还没有邀请专家",
+			2 => "您没有被邀请，请联系数据中心进行核实",
+			3 => "您的邀请已经激活",
+			50 => "服务器错误，请刷新页面重试",
+			200 => "在已存在的激活时间中插入了新数据",
+			300 => "新激活时间写入"
+		);
+		
+	}
+	
+	//从pgsql读取数组并拆分为php数组
+	public function getArray($str){
+		if(strlen($str)>3)
+		{
+			return explode(",",substr($str,1,-1));
+		}else{
+			return NULL;
+		}
+	}
+	
+	//将php数组组装成pgsql中的数组
+	public function mkArray($array){
+		if(!is_array($array))
+		{
+			return "{".$array."}";
+		}
+		if(count($array)==1)
+		{
+			$key = max(array_keys($array));
+			return "{".$array[$key]."}";
+		}
+		if(count($array)>1)
+		{
+			return "{".join(",",$array)."}";
+		}
+	}
+	
+	//从数组中获得键名
+	public function getKey($array,$needle)
+	{
+		foreach($array as $k=>$v)
+		{
+			if($v == $needle)
+			{
+				return $k;
+			}
+		}
+	}
 
 }