* [refac] resort methods.

lib/base/mao/mao.class.php

@@ -681,11 +681,25 @@ class baseMao
         return $pairs;
     }
 
+    /**
+     * 设置label.
+     * Set label.
+     *
+     * @param  string $key
+     * @access public
+     * @return object
+     */
+    public function label(string $label)
+    {
+        $this->currentLabel = $label;
+
+        return $this;
+    }
+
     /**
      * 通过Key获取值
      * Get value by key.
      *
-     *
      * @param  string $key
      * @param  mixed  ...$arguments
      * @access public
@@ -705,21 +719,6 @@ class baseMao
         return $this->app->redis->get($key);
     }
 
-    /**
-     * 设置label.
-     * Set label.
-     *
-     * @param  string $key
-     * @access public
-     * @return object
-     */
-    public function label(string $label)
-    {
-        $this->currentLabel = $label;
-
-        return $this;
-    }
-
     /**
      * 根据 key 设置缓存。
      * Set cache by key.