diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index c036b84..a2cec36 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,10 +4,7 @@
     <option name="autoReloadType" value="ALL" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="a7505764-040b-48e2-b2fc-8c5b579e595f" name="Default" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/cn/edu/hust/dao/impl/SessionAggrStatDaoImpl.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/cn/edu/hust/dao/impl/SessionAggrStatDaoImpl.java" afterDir="false" />
-    </list>
+    <list default="true" id="a7505764-040b-48e2-b2fc-8c5b579e595f" name="Default" comment="111" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -422,7 +419,7 @@
       <workItem from="1529845795654" duration="7752000" />
       <workItem from="1529887211212" duration="6851000" />
       <workItem from="1529994772485" duration="146000" />
-      <workItem from="1734266959001" duration="714000" />
+      <workItem from="1734266959001" duration="1329000" />
     </task>
     <task id="LOCAL-00001" summary="1.环境搭建完成&#10;2.相关的工具类编写完成&#10;3.配置文件管理类编写完成">
       <created>1529592741848</created>
@@ -438,7 +435,14 @@
       <option name="project" value="LOCAL" />
       <updated>1529593229553</updated>
     </task>
-    <option name="localTasksCounter" value="3" />
+    <task id="LOCAL-00003" summary="111">
+      <created>1734267995761</created>
+      <option name="number" value="00003" />
+      <option name="presentableId" value="LOCAL-00003" />
+      <option name="project" value="LOCAL" />
+      <updated>1734267995761</updated>
+    </task>
+    <option name="localTasksCounter" value="4" />
     <servers />
   </component>
   <component name="TestHistory">
@@ -557,7 +561,8 @@
   </component>
   <component name="VcsManagerConfiguration">
     <MESSAGE value="1.环境搭建完成&#10;2.相关的工具类编写完成&#10;3.配置文件管理类编写完成" />
-    <option name="LAST_COMMIT_MESSAGE" value="1.环境搭建完成&#10;2.相关的工具类编写完成&#10;3.配置文件管理类编写完成" />
+    <MESSAGE value="111" />
+    <option name="LAST_COMMIT_MESSAGE" value="111" />
   </component>
   <component name="editorHistoryManager">
     <entry file="file://$PROJECT_DIR$/src/main/java/cn/edu/hust/conf/ConfigurationManager.java">