diff --git a/fastphp/Fastphp.php b/fastphp/Fastphp.php
index 7607324..e4d5114 100644
--- a/fastphp/Fastphp.php
+++ b/fastphp/Fastphp.php
@@ -138,18 +138,18 @@ class Fastphp
     {
         $formal_origin = $this->config['formal_origin']; //跨域访问的时候才会存在此字段
         $origin = isset($_SERVER['HTTP_ORIGIN']) ? $_SERVER['HTTP_ORIGIN'] : '';
-        if (in_array($origin, $formal_origin)) {
-            define('DB_HOST', $this->config['formal_db']['host']);
-            define('DB_PORT', $this->config['formal_db']['port']);
-            define('DB_NAME', $this->config['formal_db']['dbname']);
-            define('DB_USER', $this->config['formal_db']['username']);
-            define('DB_PASS', $this->config['formal_db']['password']);
-        } else {
+        if (!in_array($origin, $formal_origin)) {
             define('DB_HOST', $this->config['db']['host']);
             define('DB_PORT', $this->config['db']['port']);
             define('DB_NAME', $this->config['db']['dbname']);
             define('DB_USER', $this->config['db']['username']);
             define('DB_PASS', $this->config['db']['password']);
+        } else {
+            define('DB_HOST', $this->config['formal_db']['host']);
+            define('DB_PORT', $this->config['formal_db']['port']);
+            define('DB_NAME', $this->config['formal_db']['dbname']);
+            define('DB_USER', $this->config['formal_db']['username']);
+            define('DB_PASS', $this->config['formal_db']['password']);
         }
     }