diff --git a/src/main/java/top/fjy8018/designpattern/pattern/structural/proxy/staticproxy/OrderServiceStaticProxy.java b/src/main/java/top/fjy8018/designpattern/pattern/structural/proxy/staticproxy/OrderServiceStaticProxy.java
index beac648..c272c27 100644
--- a/src/main/java/top/fjy8018/designpattern/pattern/structural/proxy/staticproxy/OrderServiceStaticProxy.java
+++ b/src/main/java/top/fjy8018/designpattern/pattern/structural/proxy/staticproxy/OrderServiceStaticProxy.java
@@ -20,6 +20,8 @@ public class OrderServiceStaticProxy {
      */
     private IOrderService orderService = new IOrderServiceImpl();
 
+    private static final String DB = "db";
+
     /**
      * 对源方法增强
      *
@@ -35,7 +37,7 @@ public class OrderServiceStaticProxy {
         log.info("静态代理分配到【db{}】处理数据", dbRouter);
 
         // 设置DataSource
-        DataSourceContextHolder.setDBType(String.valueOf(dbRouter));
+        DataSourceContextHolder.setDBType(DB + String.valueOf(dbRouter));
 
         afterMethod();