upgrade fastjson to 1.2.72

pom.xml

@@ -118,7 +118,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.70</version>
+			<version>1.2.72</version>
 			<scope>provided</scope>
 		</dependency>