diff --git a/src/main/java/com/gxwebsoft/common/core/web/BaseParam.java b/src/main/java/com/gxwebsoft/common/core/web/BaseParam.java
index ff3e5f0..fb68fa2 100644
--- a/src/main/java/com/gxwebsoft/common/core/web/BaseParam.java
+++ b/src/main/java/com/gxwebsoft/common/core/web/BaseParam.java
@@ -81,10 +81,18 @@ public class BaseParam implements Serializable {
         return CommonUtil.listGetOne(records);
     }
 
+    /**
+     * 国际化参数
+     * @return
+     */
     public String getLang(){
+      if(this.lang == null){
+        return "zh_CN";
+      }
       if(this.lang.equals("zh")){
         return "zh_CN";
       }
       return this.lang;
     }
+
 }