From 45903fd40ee4842636f9410a876a89a96d9b7577 Mon Sep 17 00:00:00 2001
From: RedKale <22250530@qq.com>
Date: Thu, 18 Feb 2016 16:20:17 +0800
Subject: [PATCH]

---
 src/org/redkale/convert/ConvertFactory.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/org/redkale/convert/ConvertFactory.java b/src/org/redkale/convert/ConvertFactory.java
index 8d631092f..a9a568db2 100644
--- a/src/org/redkale/convert/ConvertFactory.java
+++ b/src/org/redkale/convert/ConvertFactory.java
@@ -272,7 +272,7 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
         Creator result = findCreator(type);
         if (result == null) {
             result = Creator.create(type);
-            creators.put(type, result);
+            if (result != null) creators.put(type, result);
         }
         return result;
     }