diff --git a/test/mvc/.idea/MarsCodeWorkspaceAppSettings.xml b/test/mvc/.idea/MarsCodeWorkspaceAppSettings.xml
new file mode 100644
index 0000000..05ed8ba
--- /dev/null
+++ b/test/mvc/.idea/MarsCodeWorkspaceAppSettings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="com.codeverse.userSettings.MarscodeWorkspaceAppSettingsState">
+    <option name="ckgOperationStatus" value="SUCCESS" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/test/mvc/.idea/encodings.xml b/test/mvc/.idea/encodings.xml
new file mode 100644
index 0000000..aa00ffa
--- /dev/null
+++ b/test/mvc/.idea/encodings.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/test/mvc/.idea/misc.xml b/test/mvc/.idea/misc.xml
index 6ed36dd..82dbec8 100644
--- a/test/mvc/.idea/misc.xml
+++ b/test/mvc/.idea/misc.xml
@@ -1,4 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/test/mvc/.idea/vcs.xml b/test/mvc/.idea/vcs.xml
new file mode 100644
index 0000000..b2bdec2
--- /dev/null
+++ b/test/mvc/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/test/mvc/src/main/java/com/msksbr/test/mvc/JavaBean/RegisterFromBean.java b/test/mvc/src/main/java/com/msksbr/test/mvc/JavaBean/RegisterFromBean.java
new file mode 100644
index 0000000..2399626
--- /dev/null
+++ b/test/mvc/src/main/java/com/msksbr/test/mvc/JavaBean/RegisterFromBean.java
@@ -0,0 +1,86 @@
+package com.msksbr.test.mvc.JavaBean;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class RegisterFromBean {
+    // error message
+    private final Map<String, String> errors = new HashMap<String, String>();
+    private String name;    // define username
+    private String password;    // define password
+    private String password2;    // define reverify password
+    private String email;    // define email address
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public String getPassword2() {
+        return password2;
+    }
+
+    public void setPassword2(String password2) {
+        this.password2 = password2;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public boolean validate() {
+        boolean flag = true;
+        if (name == null || name.trim().equals("")) {
+            errors.put("name", "请输入姓名.");
+            flag = false;
+        }
+        if (password == null || password.trim().equals("")) {
+            errors.put("password", "请输入密码.");
+            flag = false;
+        } else if (password.length() < 6 || password.length() > 12) {
+            errors.put("password", "请输入6-12个字符.");
+            flag = false;
+        }
+        if (password != null && !password.equals(password2)) {
+            errors.put("password2", "两次输入的密码不匹配.");
+            flag = false;
+        }
+        // validate email address with ex regular expression
+        String emailEx = "[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+";
+        if (email == null || email.trim().equals("")) {
+            errors.put("email", "请输入邮箱.");
+            flag = false;
+        }
+        if (!email.matches(emailEx)) {
+            errors.put("email", "邮箱格式错误.");
+            flag = false;
+        }
+        return flag;
+    }
+
+    // add error message to Map
+    public void setErrorsMsg(String err, String errMsg) {
+        if (err != null && errMsg != null) {
+            errors.put(err, errMsg);
+        }
+    }
+
+    public Map<String, String> getErrors() {
+        return errors;
+    }
+}
diff --git a/test/mvc/src/main/java/com/msksbr/test/mvc/JavaBean/UserBean.java b/test/mvc/src/main/java/com/msksbr/test/mvc/JavaBean/UserBean.java
new file mode 100644
index 0000000..0651843
--- /dev/null
+++ b/test/mvc/src/main/java/com/msksbr/test/mvc/JavaBean/UserBean.java
@@ -0,0 +1,31 @@
+package com.msksbr.test.mvc.JavaBean;
+
+public class UserBean {
+    private String name;    // define username
+    private String password;    // define password
+    private String email;    // define email address
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+}