⬆ 更新 MySQL 驱动

pom.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <!--
     Description: Solo POM.
-    Version: 3.18.3.72, Oct 5, 2019
+    Version: 3.18.3.73, Oct 15, 2019
     Author: <a href="http://88250.b3log.org">Liang Ding</a>
     Author: <a href="http://www.annpeter.cn">Ann Peter</a>
     Author: <a href="http://vanessa.b3log.org">Vanessa</a>
@@ -94,7 +94,7 @@
         <coveralls-maven-plugin.version>4.3.0</coveralls-maven-plugin.version>
         <jacoco-maven-plugin.version>0.8.2</jacoco-maven-plugin.version>
         <testng.version>6.1.1</testng.version>
-        <mysql-connector-java.version>8.0.16</mysql-connector-java.version>
+        <mysql-connector-java.version>8.0.18</mysql-connector-java.version>
 
         <maven.compiler.target>1.8</maven.compiler.target>
         <maven.compiler.source>1.8</maven.compiler.source>