升级fastjson到最新版1.2.70 修复高危安全漏洞

pom.xml

@@ -28,7 +28,7 @@
         <commons.io.version>2.5</commons.io.version>
         <commons.fileupload.version>1.3.3</commons.fileupload.version>
         <velocity.version>1.7</velocity.version>
-        <fastjson.version>1.2.68</fastjson.version>
+        <fastjson.version>1.2.70</fastjson.version>
 		<poi.version>3.17</poi.version>
         <common-pool.version>2.6.2</common-pool.version>
 		<bitwalker.version>1.19</bitwalker.version>