fix code style
diff --git a/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/FormStructure.java b/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/FormStructure.java
index 57194dd..f7dcb44 100644
--- a/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/FormStructure.java
+++ b/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/FormStructure.java
@@ -17,9 +17,10 @@
 
 package org.apache.seatunnel.dynamicforms;
 
+import static com.google.common.base.Preconditions.checkArgument;
+
 import com.fasterxml.jackson.annotation.JsonIgnoreType;
 import com.fasterxml.jackson.annotation.JsonInclude;
-import com.google.common.base.Preconditions;
 import lombok.Data;
 import lombok.NonNull;
 
@@ -43,7 +44,7 @@
 
     public FormStructure(@NonNull String name, @NonNull List<AbstractFormOption> formOptionList, Locale locale,
                          Map<String, Map<String, String>> apis) {
-        Preconditions.checkArgument(formOptionList.size() > 1);
+        checkArgument(formOptionList.size() > 1);
         this.name = name;
         this.forms = formOptionList;
         this.locales = locale;
diff --git a/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/FormStructureValidate.java b/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/FormStructureValidate.java
index 3270885..9abd3c2 100644
--- a/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/FormStructureValidate.java
+++ b/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/FormStructureValidate.java
@@ -35,12 +35,7 @@
 public class FormStructureValidate {
 
     /**
-     * validate rules:
-     * <li>All data_integration.xxx need found xxx in locales</li>
-     * <li>All api used in select option need found in apis</li>
-     *
-     * @param formStructure
-     * @throws FormStructureValidateException
+     * validate rules
      */
     public static void validateFormStructure(@NonNull FormStructure formStructure)
         throws FormStructureValidateException {
diff --git a/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/validate/UnionNonEmptyValidate.java b/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/validate/UnionNonEmptyValidate.java
index e27d831..fdc039f 100644
--- a/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/validate/UnionNonEmptyValidate.java
+++ b/seatunnel-server/seatunnel-dynamicform/src/main/java/org/apache/seatunnel/dynamicforms/validate/UnionNonEmptyValidate.java
@@ -17,7 +17,8 @@
 
 package org.apache.seatunnel.dynamicforms.validate;
 
-import com.google.common.base.Preconditions;
+import static com.google.common.base.Preconditions.checkArgument;
+
 import lombok.Data;
 import lombok.NonNull;
 
@@ -30,7 +31,7 @@
     private final RequiredType requiredType = RequiredType.UNION_NON_EMPTY;
 
     public UnionNonEmptyValidate(@NonNull List<String> fields) {
-        Preconditions.checkArgument(fields.size() > 0);
+        checkArgument(fields.size() > 0);
         this.fields = fields;
     }
 }
diff --git a/seatunnel-server/seatunnel-dynamicform/src/test/java/org/apache/seatunnel/dynamicforms/FormStructureBuilderTest.java b/seatunnel-server/seatunnel-dynamicform/src/test/java/org/apache/seatunnel/dynamicforms/FormStructureBuilderTest.java
index ae7eae4..6e09d19 100644
--- a/seatunnel-server/seatunnel-dynamicform/src/test/java/org/apache/seatunnel/dynamicforms/FormStructureBuilderTest.java
+++ b/seatunnel-server/seatunnel-dynamicform/src/test/java/org/apache/seatunnel/dynamicforms/FormStructureBuilderTest.java
@@ -17,9 +17,9 @@
 
 package org.apache.seatunnel.dynamicforms;
 
+import org.apache.seatunnel.common.utils.JsonUtils;
 import org.apache.seatunnel.dynamicforms.exception.FormStructureValidateException;
 import org.apache.seatunnel.dynamicforms.validate.ValidateBuilder;
-import org.apache.seatunnel.common.utils.JsonUtils;
 
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
@@ -29,8 +29,8 @@
     @Test
     public void testFormStructureBuild() {
         Locale locale = new Locale();
-        locale.addZhCN("name_password_union_required", "用户名和密码都不能为空")
-            .addZhCN("username", "用户名")
+        locale.addZhCN("name_password_union_required", "all name and password are required")
+            .addZhCN("username", "username")
             .addEnUS("name_password_union_required", "all name and password are required")
             .addEnUS("username", "username");
 
@@ -101,14 +101,23 @@
 
         String s = JsonUtils.toJsonString(testForm);
         String result =
-            "{\"name\":\"testForm\",\"locales\":{\"zh_CN\":{\"name_password_union_required\":\"用户名和密码都不能为空\",\"username\":\"用户名\"},\"en_US\":{\"name_password_union_required\":\"all name and password are required\",\"username\":\"username\"}},\"apis\":{\"getCity\":{\"method\":\"get\",\"url\":\"/api/get_city\"}},\"forms\":[{\"label\":\"i18n.username\",\"field\":\"username\",\"defaultValue\":null,\"description\":\"username\",\"clearable\":true,\"show\":{\"field\":\"checkType\",\"value\":\"nameAndPassword\"},\"placeholder\":\"username\",\"validate\":{\"trigger\":[\"input\",\"blur\"],\"message\":\"i18n.name_password_union_required\",\"required\":false,\"fields\":[\"username\",\"password\"],\"requiredType\":\"union-non-empty\"},\"inputType\":\"text\",\"type\":\"input\"},{\"label\":\"password\",\"field\":\"password\",\"defaultValue\":null,\"description\":\"password\",\"clearable\":false,\"show\":{\"field\":\"checkType\",\"value\":\"nameAndPassword\"},\"placeholder\":\"password\",\"validate\":{\"trigger\":[\"input\",\"blur\"],\"message\":\"i18n.name_password_union_required\",\"required\":false,\"fields\":[\"username\",\"password\"],\"requiredType\":\"union-non-empty\"},\"inputType\":\"password\",\"type\":\"input\"},{\"label\":\"content\",\"field\":\"context\",\"defaultValue\":null,\"description\":\"content\",\"clearable\":true,\"placeholder\":\"\",\"inputType\":\"textarea\",\"type\":\"input\"},{\"label\":\"checkType\",\"field\":\"checkType\",\"defaultValue\":\"no\",\"description\":\"check type\",\"clearable\":true,\"placeholder\":\"\",\"validate\":{\"trigger\":[\"input\",\"blur\"],\"message\":\"required\",\"required\":true,\"type\":\"non-empty\"},\"options\":[{\"label\":\"no\",\"value\":\"no\"},{\"label\":\"nameAndPassword\",\"value\":\"nameAndPassword\"}],\"type\":\"select\"},{\"label\":\"city\",\"field\":\"city\",\"defaultValue\":null,\"description\":\"city\",\"clearable\":false,\"placeholder\":\"\",\"validate\":{\"trigger\":[\"input\",\"blur\"],\"message\":\"required\",\"required\":true,\"type\":\"non-empty\"},\"api\":\"getCity\",\"type\":\"select\"}]}";
+            "{\"name\":\"testForm\",\"locales\":{\"zh_CN\":{\"name_password_union_required\":\"all name and password are required\",\"username\":\"username\"}" +
+                ",\"en_US\":{\"name_password_union_required\":\"all name and password are required\",\"username\":\"username\"}},\"apis\":{\"getCity\":{\"method\":\"get\",\"url\":\"/api/get_city\"}}" +
+                ",\"forms\":[{\"label\":\"i18n.username\",\"field\":\"username\",\"defaultValue\":null,\"description\":\"username\",\"clearable\":true,\"show\":{\"field\":\"checkType\",\"value\":\"nameAndPassword\"}" +
+                ",\"placeholder\":\"username\",\"validate\":{\"trigger\":[\"input\",\"blur\"],\"message\":\"i18n.name_password_union_required\",\"required\":false,\"fields\":[\"username\",\"password\"],\"requiredType\":\"union-non-empty\"}" +
+                ",\"inputType\":\"text\",\"type\":\"input\"},{\"label\":\"password\",\"field\":\"password\",\"defaultValue\":null,\"description\":\"password\",\"clearable\":false,\"show\":{\"field\":\"checkType\",\"value\":\"nameAndPassword\"}" +
+                ",\"placeholder\":\"password\",\"validate\":{\"trigger\":[\"input\",\"blur\"],\"message\":\"i18n.name_password_union_required\",\"required\":false,\"fields\":[\"username\",\"password\"],\"requiredType\":\"union-non-empty\"}" +
+                ",\"inputType\":\"password\",\"type\":\"input\"},{\"label\":\"content\",\"field\":\"context\",\"defaultValue\":null,\"description\":\"content\",\"clearable\":true,\"placeholder\":\"\",\"inputType\":\"textarea\",\"type\":\"input\"}" +
+                ",{\"label\":\"checkType\",\"field\":\"checkType\",\"defaultValue\":\"no\",\"description\":\"check type\",\"clearable\":true,\"placeholder\":\"\",\"validate\":{\"trigger\":[\"input\",\"blur\"],\"message\":\"required\",\"required\":true,\"type\":\"non-empty\"}" +
+                ",\"options\":[{\"label\":\"no\",\"value\":\"no\"},{\"label\":\"nameAndPassword\",\"value\":\"nameAndPassword\"}],\"type\":\"select\"},{\"label\":\"city\",\"field\":\"city\",\"defaultValue\":null,\"description\":\"city\",\"clearable\":false,\"placeholder\":\"\"," +
+                "\"validate\":{\"trigger\":[\"input\",\"blur\"],\"message\":\"required\",\"required\":true,\"type\":\"non-empty\"},\"api\":\"getCity\",\"type\":\"select\"}]}";
         Assertions.assertEquals(result, s);
     }
 
     @Test
     public void testFormStructureValidate() {
         Locale locale = new Locale();
-        locale.addZhCN("name_password_union_required", "用户名和密码都不能为空")
+        locale.addZhCN("name_password_union_required", "all name and password are required")
             .addEnUS("name_password_union_required", "all name and password are required")
             .addEnUS("username", "username");