diff --git a/src/test/java/xyz/zhouxy/plusone/validator2/test/BaseValidator2Test.java b/src/test/java/xyz/zhouxy/plusone/validator2/test/BaseValidator2Test.java
new file mode 100644
index 0000000..c067cc5
--- /dev/null
+++ b/src/test/java/xyz/zhouxy/plusone/validator2/test/BaseValidator2Test.java
@@ -0,0 +1,121 @@
+package xyz.zhouxy.plusone.validator2.test;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.function.Predicate;
+import java.util.regex.Pattern;
+
+import org.junit.jupiter.api.Test;
+
+import cn.hutool.core.util.StrUtil;
+import xyz.zhouxy.plusone.constant.RegexConsts;
+import xyz.zhouxy.plusone.validator.BaseValidator;
+
+class BaseValidator2Test {
+    @Test
+    void testValidate() {
+        RegisterCommand registerCommand = new RegisterCommand("null", "luquanlion@outlook.com", "22336", "A1b2C3d4",
+                "A1b2C3d4",
+                Arrays.asList(new String[] { "admin", "editor" }));
+        RegisterCommandValidator2.INSTANCE.validate(registerCommand);
+        System.out.println(registerCommand);
+    }
+}
+
+class RegisterCommandValidator2 extends BaseValidator<RegisterCommand> {
+
+    static final RegisterCommandValidator2 INSTANCE = new RegisterCommandValidator2();
+
+    private RegisterCommandValidator2() {
+        ruleForString(RegisterCommand::getUsername)
+                .state(((Predicate<String>) Objects::nonNull)
+                        .and(StrUtil::isNotEmpty)
+                        .and(StrUtil::isNotBlank)
+                        .and(username -> Pattern.matches(RegexConsts.EMAIL, username)),
+                        (username -> new IllegalArgumentException(String.format("用户名\"%s\"不符合规范", username))));
+    }
+}
+
+/**
+ * RegisterCommand
+ */
+class RegisterCommand {
+
+    private String username;
+    private String account;
+    private String code;
+    private String password;
+    private String password2;
+    private List<String> roles;
+
+    public RegisterCommand() {
+    }
+
+    public RegisterCommand(String username, String account, String code, String password, String password2,
+            List<String> roles) {
+        this.username = username;
+        this.account = account;
+        this.code = code;
+        this.password = password;
+        this.password2 = password2;
+        this.roles = roles;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getAccount() {
+        return account;
+    }
+
+    public void setAccount(String account) {
+        this.account = account;
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+    public void setCode(String code) {
+        this.code = code;
+    }
+
+    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 List<String> getRoles() {
+        return roles;
+    }
+
+    public void setRoles(List<String> roles) {
+        this.roles = roles;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("RegisterCommand [username=").append(username).append(", account=").append(account)
+                .append(", code=").append(code).append(", password=").append(password).append(", password2=")
+                .append(password2).append(", roles=").append(roles).append("]");
+        return builder.toString();
+    }
+}