升级jjwt到0.9.1

pom.xml

@@ -29,7 +29,7 @@
         <commons.fileupload.version>1.3.3</commons.fileupload.version>
         <poi.version>3.17</poi.version>
         <velocity.version>1.7</velocity.version>
-        <jwt.version>0.9.0</jwt.version>
+        <jwt.version>0.9.1</jwt.version>
     </properties>
 	
     <!-- 依赖声明 -->