diff --git a/.idea/artifacts/TestSystem_jar.xml b/.idea/artifacts/TestSystem_jar.xml
new file mode 100644
index 0000000..9749be4
--- /dev/null
+++ b/.idea/artifacts/TestSystem_jar.xml
@@ -0,0 +1,15 @@
+<component name="ArtifactManager">
+  <artifact type="jar" name="TestSystem:jar">
+    <output-path>$PROJECT_DIR$/out/artifacts/TestSystem_jar</output-path>
+    <root id="archive" name="TestSystem.jar">
+      <element id="directory" name="META-INF">
+        <element id="file-copy" path="$PROJECT_DIR$/META-INF/MANIFEST.MF" />
+      </element>
+      <element id="module-output" name="TestSystem" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/net/objecthunter/exp4j/0.4.8/exp4j-0.4.8.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/com/sun/mail/jakarta.mail/2.0.1/jakarta.mail-2.0.1.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/com/formdev/flatlaf/3.4.1/flatlaf-3.4.1.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$MAVEN_REPOSITORY$/com/sun/activation/jakarta.activation/2.0.1/jakarta.activation-2.0.1.jar" path-in-jar="/" />
+    </root>
+  </artifact>
+</component>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index d14cfa1..6eb2a49 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,16 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="ArtifactsWorkspaceSettings">
+    <artifacts-to-build>
+      <artifact name="TestSystem:jar" />
+    </artifacts-to-build>
+  </component>
   <component name="AutoImportSettings">
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
     <list default="true" id="1201acd7-f240-4a23-9c12-26bf9afcb8cb" name="更改" comment="合并更改">
+      <change afterPath="$PROJECT_DIR$/.idea/artifacts/TestSystem_jar.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/data/users.txt" beforeDir="false" afterPath="$PROJECT_DIR$/data/users.txt" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/mathapp/panels/LoginPanel.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/mathapp/panels/LoginPanel.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/com/mathapp/services/DataPersistence.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/mathapp/services/DataPersistence.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/mathapp/panels/LoginPanel.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/mathapp/panels/LoginPanel.class" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/target/classes/com/mathapp/services/DataPersistence.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/com/mathapp/services/DataPersistence.class" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -40,11 +42,15 @@
     </favorite-branches>
     <option name="RECENT_BRANCH_BY_REPOSITORY">
       <map>
-        <entry key="$PROJECT_DIR$" value="liwentao_branch" />
+        <entry key="$PROJECT_DIR$" value="main" />
       </map>
     </option>
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
+  <component name="KubernetesApiPersistence"><![CDATA[{}]]></component>
+  <component name="KubernetesApiProvider"><![CDATA[{
+  "isMigrated": true
+}]]></component>
   <component name="ProjectColorInfo">{
   &quot;customColor&quot;: &quot;&quot;,
   &quot;associatedIndex&quot;: 1
@@ -58,6 +64,7 @@
   <component name="PropertiesComponent"><![CDATA[{
   "keyToString": {
     "RunOnceActivity.ShowReadmeOnStart": "true",
+    "SHARE_PROJECT_CONFIGURATION_FILES": "true",
     "git-widget-placeholder": "liwentao__branch",
     "kotlin-language-version-configured": "true",
     "node.js.detected.package.eslint": "true",
@@ -66,7 +73,7 @@
     "node.js.selected.package.tslint": "(autodetect)",
     "nodejs_package_manager_path": "npm",
     "onboarding.tips.debug.path": "C:/Users/Teptao/Desktop/软件工程导论/结对项目/TestSystem/src/main/java/org/example/Main.java",
-    "project.structure.last.edited": "模块",
+    "project.structure.last.edited": "工件",
     "project.structure.proportion": "0.15",
     "project.structure.side.proportion": "0.2",
     "vue.rearranger.settings.migration": "true",
@@ -90,6 +97,8 @@
     <recent_temporary>
       <list>
         <item itemvalue="应用程序.MathApp" />
+        <item itemvalue="应用程序.MathApp" />
+        <item itemvalue="应用程序.MathApp" />
       </list>
     </recent_temporary>
   </component>
diff --git a/data/users.txt b/data/users.txt
index 2598ee0..e102e26 100644
--- a/data/users.txt
+++ b/data/users.txt
@@ -1,4 +1,4 @@
 test@example.com::jZae727K08KaOmKSgOaGzww/XVqLqBG7KAbpTTJzaI0=
-Tester::1650163832@qq.com::7RcqFZEiXA1x7ggr5Sy2xvdMuJb6Xz/P8aMMmj+PZbI=
+Tester::Tester::7RcqFZEiXA1x7ggr5Sy2xvdMuJb6Xz/P8aMMmj+PZbI=
 
 Tester2::1414246561@qq.com::7RcqFZEiXA1x7ggr5Sy2xvdMuJb6Xz/P8aMMmj+PZbI=
diff --git a/src/main/java/com/mathapp/services/DataPersistence.java b/src/main/java/com/mathapp/services/DataPersistence.java
index 44276ec..bd06bc1 100644
--- a/src/main/java/com/mathapp/services/DataPersistence.java
+++ b/src/main/java/com/mathapp/services/DataPersistence.java
@@ -82,7 +82,7 @@ public class DataPersistence {
       List<String> lines = Files.readAllLines(USER_FILE_PATH, StandardCharsets.UTF_8);
       for (int i = 0; i < lines.size(); i++) {
         String[] parts = lines.get(i).split("::");
-        if (parts.length >= 3 && parts[1].equals(email)) {  
+        if (parts.length >= 3 && parts[1].equals(email) || parts[0].equals(email)) {
           User tempUser = new User(parts[0], email, newPassword); 
           lines.set(i, parts[0] + "::" + email + "::" + tempUser.getHashedPassword());  
           Files.write(USER_FILE_PATH, lines, StandardCharsets.UTF_8);
diff --git a/target/classes/com/mathapp/services/DataPersistence.class b/target/classes/com/mathapp/services/DataPersistence.class
index 833b4a9..381c2c5 100644
Binary files a/target/classes/com/mathapp/services/DataPersistence.class and b/target/classes/com/mathapp/services/DataPersistence.class differ