diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index e3c9483..6045cd3 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -6,7 +6,10 @@
     </artifacts-to-build>
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="0ffa26fe-3275-4667-90ad-c688ca600b30" name="Default Changelist" comment="" />
+    <list default="true" id="0ffa26fe-3275-4667-90ad-c688ca600b30" name="Default Changelist" comment="Default Changelist">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/com/controller/stu/StuQueryInfoServlet.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/controller/stu/StuQueryInfoServlet.java" afterDir="false" />
+    </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -23,6 +26,9 @@
       </list>
     </option>
   </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
   <component name="LogFilters">
     <option name="FILTER_ERRORS" value="false" />
     <option name="FILTER_WARNINGS" value="false" />
@@ -33,7 +39,8 @@
   <component name="MavenImportPreferences">
     <option name="generalSettings">
       <MavenGeneralSettings>
-        <option name="mavenHome" value="D:/Program Files/apache-maven-3.6.3-bin/apache-maven-3.6.3" />
+        <option name="customMavenHome" value="$PROJECT_DIR$/../../../Program Files/apache-maven-3.6.3-bin/apache-maven-3.6.3" />
+        <option name="mavenHomeTypeForPersistence" value="CUSTOM" />
       </MavenGeneralSettings>
     </option>
     <option name="importingSettings">
@@ -42,27 +49,23 @@
       </MavenImportingSettings>
     </option>
   </component>
+  <component name="ProjectColorInfo"><![CDATA[{
+  "associatedIndex": 0
+}]]></component>
   <component name="ProjectId" id="1ZsRq0O38W9j2DAyvPgaq78h6F5" />
   <component name="ProjectViewState">
-    <option name="showExcludedFiles" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">
-    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="aspect.path.notification.shown" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/web" />
-    <property name="node.js.detected.package.eslint" value="true" />
-    <property name="node.js.detected.package.tslint" value="true" />
-    <property name="node.js.path.for.package.eslint" value="project" />
-    <property name="node.js.path.for.package.tslint" value="project" />
-    <property name="node.js.selected.package.eslint" value="(autodetect)" />
-    <property name="node.js.selected.package.tslint" value="(autodetect)" />
-    <property name="project.structure.last.edited" value="Artifacts" />
-    <property name="project.structure.proportion" value="0.15" />
-    <property name="project.structure.side.proportion" value="0.2" />
-    <property name="settings.editor.selected.configurable" value="com.alibabacloud.intellij.config.AccountConfigurable" />
-  </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "RunOnceActivity.git.unshallow": "true",
+    "git-widget-placeholder": "master",
+    "kotlin-language-version-configured": "true",
+    "last_opened_file_path": "D:/RG/COPY/lsepidemicsituationsystem6",
+    "nodejs_package_manager_path": "npm",
+    "vue.rearranger.settings.migration": "true"
+  }
+}]]></component>
   <component name="RecentsManager">
     <key name="CopyClassDialog.RECENTS_KEY">
       <recent name="com.filter" />
@@ -181,6 +184,15 @@
       </list>
     </option>
   </component>
+  <component name="SharedIndexes">
+    <attachedChunks>
+      <set>
+        <option value="bundled-jdk-9823dce3aa75-125ca727e0f0-intellij.indexing.shared.core-IU-243.24978.46" />
+        <option value="bundled-js-predefined-d6986cc7102b-76f8388c3a79-JavaScript-IU-243.24978.46" />
+      </set>
+    </attachedChunks>
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="应用程序级" UseSingleDictionary="true" transferred="true" />
   <component name="SshConsoleOptionsProvider">
     <option name="myEncoding" value="UTF-8" />
   </component>
@@ -328,11 +340,12 @@
       <workItem from="1588858985099" duration="3090000" />
       <workItem from="1588865103089" duration="22000" />
       <workItem from="1589092133957" duration="947000" />
+      <workItem from="1745847006358" duration="95000" />
     </task>
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
-    <option name="version" value="1" />
+    <option name="version" value="3" />
   </component>
   <component name="WindowStateProjectService">
     <state x="361" y="71" key="#Deployment" timestamp="1586742405632">
diff --git a/src/com/controller/stu/StuQueryInfoServlet.java b/src/com/controller/stu/StuQueryInfoServlet.java
index 8ee015a..5aecbd5 100644
--- a/src/com/controller/stu/StuQueryInfoServlet.java
+++ b/src/com/controller/stu/StuQueryInfoServlet.java
@@ -1,6 +1,6 @@
 package com.controller.stu;
 
-import com.dao.StuDao;
+import com.dao.StuDao;//gvghvhvjh
 import com.entity.Student;
 import com.utils.JDBCUtils;