diff --git a/sqlTranslate/.idea/workspace.xml b/sqlTranslate/.idea/workspace.xml
index 267180b4..d6262f71 100644
--- a/sqlTranslate/.idea/workspace.xml
+++ b/sqlTranslate/.idea/workspace.xml
@@ -4,9 +4,10 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="d8d12963-4777-48e3-9669-309cf5e41d60" name="更改" comment="revise">
+    <list default="true" id="d8d12963-4777-48e3-9669-309cf5e41d60" name="更改" comment="add parser function">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/Parser/AST/CreateTable/TableNode.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Parser/AST/CreateTable/TableNode.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/Parser/AST/ASTNode.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Parser/AST/ASTNode.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/Parser/AST/CreateTable/ColumnNode.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Parser/AST/CreateTable/ColumnNode.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/Parser/OracleParser.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Parser/OracleParser.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
@@ -18,6 +19,7 @@
     <option name="RECENT_TEMPLATES">
       <list>
         <option value="Class" />
+        <option value="Interface" />
       </list>
     </option>
   </component>
@@ -39,15 +41,15 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
-  "keyToString": {
-    "RunOnceActivity.OpenProjectViewOnStart": "true",
-    "RunOnceActivity.ShowReadmeOnStart": "true",
-    "SHARE_PROJECT_CONFIGURATION_FILES": "true",
-    "last_opened_file_path": "F:/oracle2opengauss/examples/sqlTranslate",
-    "settings.editor.selected.configurable": "preferences.pluginManager"
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;SHARE_PROJECT_CONFIGURATION_FILES&quot;: &quot;true&quot;,
+    &quot;last_opened_file_path&quot;: &quot;F:/oracle2opengauss/examples/sqlTranslate&quot;,
+    &quot;settings.editor.selected.configurable&quot;: &quot;preferences.pluginManager&quot;
   }
-}]]></component>
+}</component>
   <component name="RunManager" selected="应用程序.Main">
     <configuration name="App" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
       <option name="MAIN_CLASS_NAME" value="org.example.App" />
@@ -165,7 +167,14 @@
       <option name="project" value="LOCAL" />
       <updated>1724165047441</updated>
     </task>
-    <option name="localTasksCounter" value="10" />
+    <task id="LOCAL-00010" summary="add parser function">
+      <created>1724166047929</created>
+      <option name="number" value="00010" />
+      <option name="presentableId" value="LOCAL-00010" />
+      <option name="project" value="LOCAL" />
+      <updated>1724166047929</updated>
+    </task>
+    <option name="localTasksCounter" value="11" />
     <servers />
   </component>
   <component name="Vcs.Log.Tabs.Properties">
@@ -186,6 +195,7 @@
     <MESSAGE value="add AST node" />
     <MESSAGE value="add functions" />
     <MESSAGE value="revise" />
-    <option name="LAST_COMMIT_MESSAGE" value="revise" />
+    <MESSAGE value="add parser function" />
+    <option name="LAST_COMMIT_MESSAGE" value="add parser function" />
   </component>
 </project>
\ No newline at end of file
diff --git a/sqlTranslate/src/main/java/Parser/AST/ASTNode.java b/sqlTranslate/src/main/java/Parser/AST/ASTNode.java
index d89a6918..4f22066b 100644
--- a/sqlTranslate/src/main/java/Parser/AST/ASTNode.java
+++ b/sqlTranslate/src/main/java/Parser/AST/ASTNode.java
@@ -10,6 +10,9 @@ public abstract class ASTNode {
     private ASTNode parent;
     private List<ASTNode> children = new ArrayList<>();
 
+    public ASTNode() {
+    }
+
     public ASTNode(List<Token> tokens) {
         this.tokens = tokens;
     }
diff --git a/sqlTranslate/src/main/java/Parser/AST/CreateTable/ColumnNode.java b/sqlTranslate/src/main/java/Parser/AST/CreateTable/ColumnNode.java
index 671912fb..90381ea1 100644
--- a/sqlTranslate/src/main/java/Parser/AST/CreateTable/ColumnNode.java
+++ b/sqlTranslate/src/main/java/Parser/AST/CreateTable/ColumnNode.java
@@ -6,6 +6,12 @@ import Parser.AST.ASTNode;
 import java.util.List;
 
 public class ColumnNode extends ASTNode {
+    private Token name;
+    private Token type;
+    private Token constraint;
+    public ColumnNode() {
+        super();
+    }
     public ColumnNode(ASTNode node)
     {
         super(node);
@@ -24,4 +30,28 @@ public class ColumnNode extends ASTNode {
         }
     }
 
+    public Token getName() {
+        return name;
+    }
+
+    public void setName(Token name) {
+        this.name = name;
+    }
+
+    public Token getType() {
+        return type;
+    }
+
+    public void setType(Token type) {
+        this.type = type;
+    }
+
+    public Token getConstraint() {
+        return constraint;
+    }
+
+    public void setConstraint(Token constraint) {
+        this.constraint = constraint;
+    }
+
 }
diff --git a/sqlTranslate/src/main/java/Parser/OracleParser.java b/sqlTranslate/src/main/java/Parser/OracleParser.java
index 205c8601..5d237cc1 100644
--- a/sqlTranslate/src/main/java/Parser/OracleParser.java
+++ b/sqlTranslate/src/main/java/Parser/OracleParser.java
@@ -4,6 +4,7 @@ import Lexer.OracleLexer;
 import Lexer.Token;
 import Parser.AST.ASTNode;
 import Exception.ParseFailedException;
+import Parser.AST.CreateTable.ColumnNode;
 import Parser.AST.CreateTable.CreateTabNode;
 import Parser.AST.CreateTable.TableNode;
 import Parser.AST.CreateTable.TableTypeNode;
@@ -77,11 +78,31 @@ public class OracleParser {
                 currentNode = child;
             }
             else if (lexer.getTokens().get(i).hasType(Token.TokenType.IDENTIFIER)) {
+                // Token.TokenType.IDENTIFIER ... , -> column node
+                tokens.clear();
+                ColumnNode child = new ColumnNode();
+                child.setName();
+                tokens.add();
+                for (int j = i + 1; j < lexer.getTokens().size(); j++) {
+                    if (j == i + 1) {
+
+                    }
+                    tokens.add(lexer.getTokens().get(j));
+                    if ((lexer.getTokens().get(j).hasType(Token.TokenType.SYMBOL) && lexer.getTokens().get(j).getValue().equals(",")) ||
+                            (lexer.getTokens().get(j).hasType(Token.TokenType.SYMBOL) && lexer.getTokens().get(j).getValue().equals(")")) ) {
+                        i = j;
+                        break;
+                    }
+                }
+                child.setTokens(tokens);
+                currentNode.addChild(child);
+                currentNode = child;
+            }
+            else if (lexer.getTokens().get(i).hasType(Token.TokenType.KEYWORD) && lexer.getTokens().get(i).getValue().equalsIgnoreCase("CONSTRAINT")) {
+                // Table constraint
                 tokens.clear();
                 tokens.add(lexer.getTokens().get(i));
-                for (int j = i + 1; j < lexer.getTokens().size(); j++) {
-                    // TODO: Token.TokenType.IDENTIFIER ... , -> column node
-                }
+
             }
             else {
                 throw new ParseFailedException("Parse failed!");