Merge pull request #69 from dengliming/master

Upgrade fastjson version

pom.xml

@@ -63,7 +63,7 @@
     <simple-http.version>1.0.2</simple-http.version>
     <lombok-version>1.18.10</lombok-version>
     <junit-version>4.11</junit-version>
-    <fastjson-version>1.2.62</fastjson-version>
+    <fastjson-version>1.2.68</fastjson-version>
     <alipay-sdk-version>4.8.10.ALL</alipay-sdk-version>
     <jacoco-version>0.8.2</jacoco-version>
   </properties>