fix the "return -50"问题

baoxingjie · baoxingjie · commit 0cf7effd0b91 · 2017-11-13T11:52:31.000+08:00
diff --git a/pom.xml b/pom.xml
@@ -6,7 +6,7 @@
 	<groupId>com.taobao.util</groupId>
 	<artifactId>taobao-express</artifactId>
 	<packaging>jar</packaging>
-	<version>3.1.4</version>
+	<version>3.1.5</version>
 	<name>taobao-express</name>
 	
 	<dependencies>
