Interceptor optimization mybatis#1993

Author: brucelwl

src/main/java/org/apache/ibatis/plugin/Plugin.java

@@ -49,7 +49,7 @@ public static Object wrap(Object target, Interceptor interceptor) {
     Class<?> type = target.getClass();
     Class<?>[] interfaces = getAllInterfaces(type, signatureMap);
     if (interfaces.length > 0) {
-      if (Proxy.isProxyClass(target.getClass())) {
+      if (Proxy.isProxyClass(type)) {
         InvocationHandler invocationHandler = Proxy.getInvocationHandler(target);
         if (invocationHandler instanceof Plugin) {
           Map<Method, List<Interceptor>> interceptorMap = ((Plugin) invocationHandler).getInterceptorMap();