diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index 90748c05e1..6577613748 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -37,6 +37,7 @@ class upgradeModel extends model
             $this->upgradeFrom0_5To0_6();
             $this->upgradeFrom0_6To1_0_B();
             $this->upgradeFrom1_0betaTo1_0rc1();
+            $this->upgradeFrom1_0rc1To1_0rc2();
         }
         elseif($fromVersion == '0_4beta')
         {
@@ -44,21 +45,29 @@ class upgradeModel extends model
             $this->upgradeFrom0_5To0_6();
             $this->upgradeFrom0_6To1_0_B();
             $this->upgradeFrom1_0betaTo1_0rc1();
+            $this->upgradeFrom1_0rc1To1_0rc2();
         }
         elseif($fromVersion == '0_5beta')
         {
             $this->upgradeFrom0_5To0_6();
             $this->upgradeFrom0_6To1_0_B();
             $this->upgradeFrom1_0betaTo1_0rc1();
+            $this->upgradeFrom1_0rc1To1_0rc2();
         }
         elseif($fromVersion == '0_6beta')
         {
             $this->upgradeFrom0_6To1_0_B();
             $this->upgradeFrom1_0betaTo1_0rc1();
+            $this->upgradeFrom1_0rc1To1_0rc2();
         }
         elseif($fromVersion == '1_0beta')
         {
             $this->upgradeFrom1_0betaTo1_0rc1();
+            $this->upgradeFrom1_0rc1To1_0rc2();
+        }
+        elseif($fromVersion == '1_0rc1')
+        {
+            $this->upgradeFrom1_0rc1To1_0rc2();
         }
     }
 
@@ -96,6 +105,10 @@ class upgradeModel extends model
         {
             $confirmContent .= file_get_contents($this->getUpgradeFile('1.0.beta'));
         }
+        elseif($fromVersion == '1_0rc1')
+        {
+            $confirmContent .= file_get_contents($this->getUpgradeFile('1.0.rc1'));
+        }
 
         return str_replace('zt_', $this->config->db->prefix, $confirmContent);
     }
@@ -137,6 +150,13 @@ class upgradeModel extends model
         if(!$this->isError()) $this->updateVersion('1.0rc1');
     }
 
+    /* 从1.0rc1版本升级到1.0rc2版本。*/
+    private function upgradeFrom1_0betaTo1_0rc2()
+    {
+        $this->execSQL($this->getUpgradeFile('1.0.rc1'));
+        if(!$this->isError()) $this->updateVersion('1.0rc2');
+    }
+
     /* 更新每个表的company字段。*/
     private function updateCompany()
     {