diff --git a/.idea/misc.xml b/.idea/misc.xml
index 344f653..a48fac4 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -6,6 +6,7 @@
         <option value="$PROJECT_DIR$/pom.xml" />
       </list>
     </option>
+    <option name="workspaceImportForciblyTurnedOn" value="true" />
   </component>
   <component name="NodePackageJsonFileManager">
     <packageJsonPaths />
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index f042c63..c99b438 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,14 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="AutoImportSettings">
+    <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" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
-      <change beforePath="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
+      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
     </list>
-    <ignored path="$PROJECT_DIR$/out/" />
-    <ignored path="$PROJECT_DIR$/target/" />
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -136,27 +135,22 @@
     <detection-done>true</detection-done>
     <sorting>DEFINITION_ORDER</sorting>
   </component>
-  <component name="MavenImportPreferences">
-    <option name="generalSettings">
-      <MavenGeneralSettings>
-        <option name="pluginUpdatePolicy" value="UPDATE" />
-      </MavenGeneralSettings>
-    </option>
-    <option name="importingSettings">
-      <MavenImportingSettings>
-        <option name="importAutomatically" value="true" />
-      </MavenImportingSettings>
-    </option>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
   </component>
   <component name="MavenRunner">
     <option name="jreName" value="#JAVA_INTERNAL" />
     <option name="vmOptions" value="-DarchetypeCatalog=internal" />
   </component>
+  <component name="ProjectColorInfo">{
+  &quot;associatedIndex&quot;: 8
+}</component>
   <component name="ProjectFrameBounds" extendedState="6" fullScreen="true">
     <option name="y" value="23" />
     <option name="width" value="1440" />
     <option name="height" value="873" />
   </component>
+  <component name="ProjectId" id="2qIGAjeCDkRtAhv84xlx4MKRgUe" />
   <component name="ProjectInspectionProfilesVisibleTreeState">
     <entry key="Project Default">
       <profile-state>
@@ -278,17 +272,26 @@
       <pane id="AndroidView" />
     </panes>
   </component>
-  <component name="PropertiesComponent">
-    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
-    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
-    <property name="project.structure.last.edited" value="Modules" />
-    <property name="project.structure.proportion" value="0.15" />
-    <property name="project.structure.side.proportion" value="0.2" />
-    <property name="settings.editor.selected.configurable" value="MavenSettings" />
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="aspect.path.notification.shown" value="true" />
-    <property name="SearchEverywhereHistoryKey" value="wor&#9;FILE&#9;file:///Users/youyujie/Documents/UserActionAnalyzePlatform/.idea/libraries/Maven__org_apache_curator_curator_framework_2_4_0.xml" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
   </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "JUnit.ParamUtilsTest.test2.executor": "Run",
+    "RunOnceActivity.OpenProjectViewOnStart": "true",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "git-widget-placeholder": "main",
+    "kotlin-language-version-configured": "true",
+    "last_opened_file_path": "D:/git/project/UserActionAnalyzePlatform",
+    "node.js.detected.package.eslint": "true",
+    "node.js.detected.package.tslint": "true",
+    "node.js.selected.package.eslint": "(autodetect)",
+    "node.js.selected.package.tslint": "(autodetect)",
+    "nodejs_package_manager_path": "npm",
+    "vue.rearranger.settings.migration": "true"
+  }
+}]]></component>
   <component name="RecentsManager">
     <key name="MoveClassesOrPackagesDialog.RECENTS_KEY">
       <recent name="cn.edu.hust.dao" />
@@ -299,19 +302,7 @@
       <recent name="$PROJECT_DIR$/src/main/java/cn/edu/hust/until" />
     </key>
   </component>
-  <component name="RunDashboard">
-    <option name="ruleStates">
-      <list>
-        <RuleState>
-          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
-  </component>
-  <component name="RunManager" selected="Application.UserVisitAnalyze">
+  <component name="RunManager" selected="JUnit.ParamUtilsTest.test2">
     <configuration default="true" type="Applet" factoryName="Applet">
       <option name="HTML_USED" value="false" />
       <option name="WIDTH" value="400" />
@@ -319,219 +310,133 @@
       <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
       <module />
     </configuration>
+    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" factoryName="Plugin">
+      <module name="" />
+      <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
+      <option name="PROGRAM_PARAMETERS" />
+      <predefined_log_file id="idea.log" enabled="true" />
+    </configuration>
     <configuration name="UserVisitAnalyze" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <option name="MAIN_CLASS_NAME" value="cn.edu.hust.session.UserVisitAnalyze" />
+      <module name="UserActionAnalyzePlatform" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.session.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <option name="MAIN_CLASS_NAME" value="cn.edu.hust.session.UserVisitAnalyze" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
-      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="UserActionAnalyzePlatform" />
-      <envs />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration default="true" type="Application" factoryName="Application">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="" />
-      <envs />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration name="ParamUtilsTest.test2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <module name="UserActionAnalyzePlatform" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.utils.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <module name="UserActionAnalyzePlatform" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
       <option name="PACKAGE_NAME" value="cn.edu.hust.utils" />
       <option name="MAIN_CLASS_NAME" value="cn.edu.hust.utils.ParamUtilsTest" />
       <option name="METHOD_NAME" value="test2" />
       <option name="TEST_OBJECT" value="method" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration name="SessionAggrDao.test" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <module name="UserActionAnalyzePlatform" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.dao.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <module name="UserActionAnalyzePlatform" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
       <option name="PACKAGE_NAME" value="cn.edu.hust.dao" />
       <option name="MAIN_CLASS_NAME" value="cn.edu.hust.dao.SessionAggrDao" />
       <option name="METHOD_NAME" value="test" />
       <option name="TEST_OBJECT" value="method" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration name="SessionDetailTest.testInsert" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <module name="UserActionAnalyzePlatform" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.dao.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <module name="UserActionAnalyzePlatform" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
       <option name="PACKAGE_NAME" value="cn.edu.hust.dao" />
       <option name="MAIN_CLASS_NAME" value="cn.edu.hust.dao.SessionDetailTest" />
       <option name="METHOD_NAME" value="testInsert" />
       <option name="TEST_OBJECT" value="method" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration name="SessionRandomExtractDaoTest.testBatchInsert" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea">
+      <module name="UserActionAnalyzePlatform" />
+      <extension name="coverage">
         <pattern>
           <option name="PATTERN" value="cn.edu.hust.dao.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <module name="UserActionAnalyzePlatform" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
       <option name="PACKAGE_NAME" value="cn.edu.hust.dao" />
       <option name="MAIN_CLASS_NAME" value="cn.edu.hust.dao.SessionRandomExtractDaoTest" />
       <option name="METHOD_NAME" value="testBatchInsert" />
       <option name="TEST_OBJECT" value="method" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration default="true" type="JUnit" factoryName="JUnit">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <module name="" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="PACKAGE_NAME" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
       <option name="TEST_OBJECT" value="class" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <envs />
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="Remote" factoryName="Remote">
-      <option name="USE_SOCKET_TRANSPORT" value="true" />
-      <option name="SERVER_MODE" value="false" />
-      <option name="SHMEM_ADDRESS" value="javadebug" />
-      <option name="HOST" value="localhost" />
-      <option name="PORT" value="5005" />
-    </configuration>
-    <configuration default="true" type="TestNG" factoryName="TestNG">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <module name="" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="SUITE_NAME" />
-      <option name="PACKAGE_NAME" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
-      <option name="GROUP_NAME" />
+    <configuration default="true" type="TestNG">
       <option name="TEST_OBJECT" value="CLASS" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="OUTPUT_DIRECTORY" />
-      <option name="ANNOTATION_TYPE" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <option name="USE_DEFAULT_REPORTERS" value="false" />
-      <option name="PROPERTIES_FILE" />
-      <envs />
       <properties />
       <listeners />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" factoryName="Plugin">
-      <module name="" />
-      <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
-      <option name="PROGRAM_PARAMETERS" />
-      <predefined_log_file id="idea.log" enabled="true" />
-    </configuration>
-    <list size="5">
-      <item index="0" class="java.lang.String" itemvalue="Application.UserVisitAnalyze" />
-      <item index="1" class="java.lang.String" itemvalue="JUnit.ParamUtilsTest.test2" />
-      <item index="2" class="java.lang.String" itemvalue="JUnit.SessionAggrDao.test" />
-      <item index="3" class="java.lang.String" itemvalue="JUnit.SessionDetailTest.testInsert" />
-      <item index="4" class="java.lang.String" itemvalue="JUnit.SessionRandomExtractDaoTest.testBatchInsert" />
+    <list>
+      <item itemvalue="JUnit.ParamUtilsTest.test2" />
+      <item itemvalue="JUnit.SessionAggrDao.test" />
+      <item itemvalue="JUnit.SessionDetailTest.testInsert" />
+      <item itemvalue="JUnit.SessionRandomExtractDaoTest.testBatchInsert" />
+      <item itemvalue="应用程序.UserVisitAnalyze" />
     </list>
     <recent_temporary>
-      <list size="5">
-        <item index="0" class="java.lang.String" itemvalue="Application.UserVisitAnalyze" />
-        <item index="1" class="java.lang.String" itemvalue="JUnit.SessionRandomExtractDaoTest.testBatchInsert" />
-        <item index="2" class="java.lang.String" itemvalue="JUnit.SessionDetailTest.testInsert" />
-        <item index="3" class="java.lang.String" itemvalue="JUnit.SessionAggrDao.test" />
-        <item index="4" class="java.lang.String" itemvalue="JUnit.ParamUtilsTest.test2" />
+      <list>
+        <item itemvalue="JUnit.ParamUtilsTest.test2" />
+        <item itemvalue="JUnit.SessionRandomExtractDaoTest.testBatchInsert" />
+        <item itemvalue="JUnit.SessionDetailTest.testInsert" />
+        <item itemvalue="JUnit.SessionAggrDao.test" />
       </list>
     </recent_temporary>
   </component>
-  <component name="ShelveChangesManager" show_recycled="false">
-    <option name="remove_strategy" value="false" />
-  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="应用程序级" UseSingleDictionary="true" transferred="true" />
   <component name="SvnConfiguration">
     <configuration />
   </component>
@@ -551,6 +456,9 @@
       <workItem from="1529845795654" duration="7752000" />
       <workItem from="1529887211212" duration="6851000" />
       <workItem from="1529994772485" duration="146000" />
+      <workItem from="1734342536419" duration="3626000" />
+      <workItem from="1734346716326" duration="2420000" />
+      <workItem from="1734349398416" duration="1227000" />
     </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>
@@ -669,47 +577,23 @@
     </layout-to-restore>
   </component>
   <component name="TypeScriptGeneratedFilesManager">
-    <option name="version" value="1" />
+    <option name="version" value="3" />
   </component>
   <component name="Vcs.Log.Tabs.Properties">
     <option name="TAB_STATES">
       <map>
         <entry key="MAIN">
           <value>
-            <State>
-              <option name="RECENTLY_FILTERED_USER_GROUPS">
-                <collection />
-              </option>
-              <option name="RECENTLY_FILTERED_BRANCH_GROUPS">
-                <collection />
-              </option>
-              <option name="COLUMN_ORDER">
-                <list>
-                  <option value="0" />
-                  <option value="1" />
-                  <option value="2" />
-                  <option value="3" />
-                </list>
-              </option>
-            </State>
+            <State />
           </value>
         </entry>
       </map>
     </option>
   </component>
-  <component name="VcsContentAnnotationSettings">
-    <option name="myLimit" value="2678400000" />
-  </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" />
   </component>
-  <component name="XDebuggerManager">
-    <breakpoint-manager>
-      <option name="time" value="32" />
-    </breakpoint-manager>
-    <watches-manager />
-  </component>
   <component name="editorHistoryManager">
     <entry file="file://$PROJECT_DIR$/src/main/java/cn/edu/hust/conf/ConfigurationManager.java">
       <provider selected="true" editor-type-id="text-editor">
diff --git a/src/main/java/cn/edu/hust/conf/ConfigurationManager.java b/src/main/java/cn/edu/hust/conf/ConfigurationManager.java
index dbae85b..bf8915a 100644
--- a/src/main/java/cn/edu/hust/conf/ConfigurationManager.java
+++ b/src/main/java/cn/edu/hust/conf/ConfigurationManager.java
@@ -3,7 +3,7 @@ package cn.edu.hust.conf;
 import java.io.InputStream;
 import java.util.Properties;
 
-/**
+/**111
  * 配置文件管理类
  * 主要的功能:从特定的properties文件中读取相应的key/value
  */