fix bugs in Global Config JSP
diff --git a/app/src/main/webapp/WEB-INF/jsps/admin/GlobalConfig.jsp b/app/src/main/webapp/WEB-INF/jsps/admin/GlobalConfig.jsp
index 931ebda..5f91f8d 100644
--- a/app/src/main/webapp/WEB-INF/jsps/admin/GlobalConfig.jsp
+++ b/app/src/main/webapp/WEB-INF/jsps/admin/GlobalConfig.jsp
@@ -59,12 +59,10 @@
             <s:elseif test="#pd.type == 'boolean'">
 
                 <s:if test="properties[#pd.name].value == 'true'">
-                    <s:checkbox name="%{#pd.name}" label="%{getText(#pd.key)}"
-                                fieldValue="true" checked="true" onchange="formChanged()"/>
+                    <s:checkbox name="%{#pd.name}" label="%{getText(#pd.key)}" checked="true" onchange="formChanged()"/>
                 </s:if>
                 <s:if test="properties[#pd.name].value != 'true'">
-                    <s:checkbox name="%{#pd.name}" label="%{getText(#pd.key)}"
-                                fieldValue="false" onchange="formChanged()"/>
+                    <s:checkbox name="%{#pd.name}" label="%{getText(#pd.key)}" onchange="formChanged()"/>
                 </s:if>
 
             </s:elseif>
diff --git a/pom.xml b/pom.xml
index 8a91432..9373820 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,8 +63,8 @@
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>3.8.0</version>
                     <configuration>
-                        <source>11</source>
-                        <target>11</target>
+                        <source>1.8</source>
+                        <target>1.8</target>
                         <fork>true</fork>
                         <encoding>${project.build.sourceEncoding}</encoding>
                     </configuration>