diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/util/IOUtil.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/util/IOUtil.java
index 6651f62f..74240485 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/util/IOUtil.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/util/IOUtil.java
@@ -87,6 +87,9 @@ public class IOUtil {
 
     public static void close(Closeable stream) {
         try {
+            if(stream == null){
+                return ;
+            }
             stream.close();
         } catch (IOException e) {
             e.printStackTrace();