From 4a88007ea2065fc02aab90b0fe6a797f7a026595 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@hotmail.com>
Date: Thu, 13 Jul 2017 11:20:04 +0800
Subject: [PATCH] bug fixed for proxy.

---
 .../alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java b/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java
index 8cd619c582..d9c07a2c06 100644
--- a/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java
+++ b/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java
@@ -110,7 +110,7 @@ public class PreparedStatementProxyImpl extends StatementProxyImpl implements Pr
         if (parametersSize >= parameters.length) {
             int oldCapacity = parameters.length;
             int newCapacity = oldCapacity + (oldCapacity >> 1);
-            if (newCapacity == 0) {
+            if (newCapacity <= 4) {
                 newCapacity = 4;
             }