diff --git a/hugegraph-style.xml b/hugegraph-style.xml
index b659b29431..583b740599 100644
--- a/hugegraph-style.xml
+++ b/hugegraph-style.xml
@@ -17,81 +17,88 @@
 
 <!-- This file could be imported in IDEA for correct code-style -->
 <code_scheme name="hugegraph-style" version="173">
-  <option name="LINE_SEPARATOR" value="&#xA;" />
-  <option name="RIGHT_MARGIN" value="100" />
-  <option name="WRAP_WHEN_TYPING_REACHES_RIGHT_MARGIN" value="true" />
-  <option name="SOFT_MARGINS" value="100" />
+  <option name="LINE_SEPARATOR" value="&#xA;"/>
+  <option name="RIGHT_MARGIN" value="100"/>
+  <option name="WRAP_WHEN_TYPING_REACHES_RIGHT_MARGIN" value="true"/>
+  <option name="SOFT_MARGINS" value="100"/>
   <JavaCodeStyleSettings>
-    <option name="ANNOTATION_PARAMETER_WRAP" value="1" />
-    <option name="ALIGN_MULTILINE_ANNOTATION_PARAMETERS" value="true" />
-    <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="100" />
-    <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="100" />
+    <option name="JD_P_AT_EMPTY_LINES" value="true" />
+    <option name="JD_DO_NOT_WRAP_ONE_LINE_COMMENTS" value="true" />
+    <option name="ANNOTATION_PARAMETER_WRAP" value="1"/>
+    <option name="ALIGN_MULTILINE_ANNOTATION_PARAMETERS" value="true"/>
+    <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="100"/>
+    <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="100"/>
     <option name="IMPORT_LAYOUT_TABLE">
       <value>
-        <package name="" withSubpackages="true" static="true" />
-        <emptyLine />
-        <package name="java" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="javax" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="org" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="com" withSubpackages="true" static="false" />
-        <emptyLine />
-        <package name="" withSubpackages="true" static="false" />
+        <package name="" withSubpackages="true" static="true"/>
+        <emptyLine/>
+        <package name="java" withSubpackages="true" static="false"/>
+        <emptyLine/>
+        <package name="javax" withSubpackages="true" static="false"/>
+        <emptyLine/>
+        <package name="org" withSubpackages="true" static="false"/>
+        <emptyLine/>
+        <package name="com" withSubpackages="true" static="false"/>
+        <emptyLine/>
+        <package name="" withSubpackages="true" static="false"/>
       </value>
     </option>
   </JavaCodeStyleSettings>
   <codeStyleSettings language="JAVA">
-    <option name="LINE_COMMENT_AT_FIRST_COLUMN" value="false" />
-    <option name="ALIGN_MULTILINE_CHAINED_METHODS" value="true" />
-    <option name="ALIGN_MULTILINE_PARAMETERS_IN_CALLS" value="true" />
-    <option name="ALIGN_MULTILINE_BINARY_OPERATION" value="true" />
-    <option name="ALIGN_MULTILINE_ASSIGNMENT" value="true" />
-    <option name="ALIGN_MULTILINE_TERNARY_OPERATION" value="true" />
-    <option name="ALIGN_MULTILINE_THROWS_LIST" value="true" />
-    <option name="ALIGN_MULTILINE_EXTENDS_LIST" value="true" />
-    <option name="ALIGN_MULTILINE_ARRAY_INITIALIZER_EXPRESSION" value="true" />
-    <option name="CALL_PARAMETERS_WRAP" value="1" />
-    <option name="METHOD_PARAMETERS_WRAP" value="1" />
-    <option name="RESOURCE_LIST_WRAP" value="1" />
-    <option name="EXTENDS_LIST_WRAP" value="1" />
-    <option name="THROWS_LIST_WRAP" value="1" />
-    <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
-    <option name="BINARY_OPERATION_WRAP" value="1" />
-    <option name="TERNARY_OPERATION_WRAP" value="1" />
-    <option name="FOR_STATEMENT_WRAP" value="1" />
-    <option name="ARRAY_INITIALIZER_WRAP" value="1" />
-    <option name="ASSIGNMENT_WRAP" value="1" />
-    <option name="ASSERT_STATEMENT_WRAP" value="1" />
-    <option name="IF_BRACE_FORCE" value="1" />
-    <option name="DOWHILE_BRACE_FORCE" value="3" />
-    <option name="WHILE_BRACE_FORCE" value="1" />
-    <option name="FOR_BRACE_FORCE" value="1" />
-    <option name="WRAP_LONG_LINES" value="true" />
-    <option name="PARAMETER_ANNOTATION_WRAP" value="1" />
-    <option name="ENUM_CONSTANTS_WRAP" value="2" />
-    <option name="WRAP_ON_TYPING" value="1" />
-    <option name="SOFT_MARGINS" value="100" />
-    <option name="RIGHT_MARGIN" value="100" />
-    <option name="KEEP_BLANK_LINES_IN_DECLARATIONS" value="1" />
-    <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
-    <option name="KEEP_BLANK_LINES_BETWEEN_PACKAGE_DECLARATION_AND_HEADER" value="1" />
-    <option name="KEEP_BLANK_LINES_BEFORE_RBRACE" value="1" />
+    <option name="LINE_COMMENT_AT_FIRST_COLUMN" value="false"/>
+    <option name="ALIGN_MULTILINE_CHAINED_METHODS" value="true"/>
+    <option name="ALIGN_MULTILINE_PARAMETERS_IN_CALLS" value="true"/>
+    <option name="ALIGN_MULTILINE_BINARY_OPERATION" value="true"/>
+    <option name="ALIGN_MULTILINE_ASSIGNMENT" value="true"/>
+    <option name="ALIGN_MULTILINE_TERNARY_OPERATION" value="true"/>
+    <option name="ALIGN_MULTILINE_THROWS_LIST" value="true"/>
+    <option name="ALIGN_MULTILINE_EXTENDS_LIST" value="true"/>
+    <option name="ALIGN_MULTILINE_ARRAY_INITIALIZER_EXPRESSION" value="true"/>
+    <option name="CALL_PARAMETERS_WRAP" value="1"/>
+    <option name="METHOD_PARAMETERS_WRAP" value="1"/>
+    <option name="RESOURCE_LIST_WRAP" value="1"/>
+    <option name="EXTENDS_LIST_WRAP" value="1"/>
+    <option name="THROWS_LIST_WRAP" value="1"/>
+    <option name="METHOD_CALL_CHAIN_WRAP" value="1"/>
+    <option name="BINARY_OPERATION_WRAP" value="1"/>
+    <option name="TERNARY_OPERATION_WRAP" value="1"/>
+    <option name="FOR_STATEMENT_WRAP" value="1"/>
+    <option name="ARRAY_INITIALIZER_WRAP" value="1"/>
+    <option name="ASSIGNMENT_WRAP" value="1"/>
+    <option name="ASSERT_STATEMENT_WRAP" value="1"/>
+    <option name="IF_BRACE_FORCE" value="1"/>
+    <option name="DOWHILE_BRACE_FORCE" value="3"/>
+    <option name="WHILE_BRACE_FORCE" value="1"/>
+    <option name="FOR_BRACE_FORCE" value="1"/>
+    <option name="WRAP_LONG_LINES" value="true"/>
+    <option name="PARAMETER_ANNOTATION_WRAP" value="1"/>
+    <option name="ENUM_CONSTANTS_WRAP" value="2"/>
+    <option name="WRAP_ON_TYPING" value="1"/>
+    <option name="SOFT_MARGINS" value="100"/>
+    <option name="RIGHT_MARGIN" value="100"/>
+    <option name="KEEP_BLANK_LINES_IN_DECLARATIONS" value="1"/>
+    <option name="KEEP_BLANK_LINES_IN_CODE" value="1"/>
+    <option name="KEEP_BLANK_LINES_BETWEEN_PACKAGE_DECLARATION_AND_HEADER" value="1"/>
+    <option name="KEEP_BLANK_LINES_BEFORE_RBRACE" value="1"/>
+    <option name="BLANK_LINES_AROUND_CLASS" value="1" />
     <indentOptions>
-      <option name="SMART_TABS" value="true" />
+      <option name="SMART_TABS" value="true"/>
     </indentOptions>
   </codeStyleSettings>
   <codeStyleSettings language="XML">
-    <option name="RIGHT_MARGIN" value="120" />
-    <option name="WRAP_ON_TYPING" value="1" />
-    <option name="SOFT_MARGINS" value="120" />
+    <option name="RIGHT_MARGIN" value="120"/>
+    <option name="WRAP_ON_TYPING" value="1"/>
+    <option name="SOFT_MARGINS" value="120"/>
   </codeStyleSettings>
   <XML>
-    <option name="XML_TEXT_WRAP" value="0" />
-    <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
+    <option name="XML_TEXT_WRAP" value="0"/>
+    <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true"/>
   </XML>
   <Properties>
-    <option name="KEEP_BLANK_LINES" value="true" />
+    <option name="KEEP_BLANK_LINES" value="true"/>
   </Properties>
+  <codeStyleSettings language="yaml">
+    <option name="SPACE_WITHIN_BRACKETS" value="false" />
+    <option name="SPACE_WITHIN_BRACES" value="false" />
+  </codeStyleSettings>
 </code_scheme>