diff --git a/docs/java/basis/proxy.md b/docs/java/basis/proxy.md
index 869fcbb6204..589417703f3 100644
--- a/docs/java/basis/proxy.md
+++ b/docs/java/basis/proxy.md
@@ -277,7 +277,7 @@ after method send
 public interface MethodInterceptor
 extends Callback{
     // 拦截被代理类中的方法
-    public Object intercept(Object obj, java.lang.reflect.Method method, Object[] args,MethodProxy proxy) throws Throwable;
+    public Object intercept(Object obj, java.lang.reflect.Method method, Object[] args, MethodProxy proxy) throws Throwable;
 }
 
 ```