diff --git a/sqlTranslate/.idea/workspace.xml b/sqlTranslate/.idea/workspace.xml
index b09a789a..c80ee9da 100644
--- a/sqlTranslate/.idea/workspace.xml
+++ b/sqlTranslate/.idea/workspace.xml
@@ -4,8 +4,12 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="d8d12963-4777-48e3-9669-309cf5e41d60" name="更改" comment="revise">
-      <change beforePath="$PROJECT_DIR$/src/main/java/Lexer/OracleLexer.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Lexer/OracleLexer.java" afterDir="false" />
+    <list default="true" id="d8d12963-4777-48e3-9669-309cf5e41d60" name="更改" comment="add join pattern">
+      <change afterPath="$PROJECT_DIR$/src/main/java/Parser/AST/Join/JoinColumnNode.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/Parser/AST/Join/JoinSourceTabNode.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/Parser/AST/Join/JoinTargetTabNode.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/Parser/AST/Join/JoinTypeNode.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -355,7 +359,14 @@
       <option name="project" value="LOCAL" />
       <updated>1726066806993</updated>
     </task>
-    <option name="localTasksCounter" value="37" />
+    <task id="LOCAL-00037" summary="add join pattern">
+      <created>1726068883795</created>
+      <option name="number" value="00037" />
+      <option name="presentableId" value="LOCAL-00037" />
+      <option name="project" value="LOCAL" />
+      <updated>1726068883795</updated>
+    </task>
+    <option name="localTasksCounter" value="38" />
     <servers />
   </component>
   <component name="Vcs.Log.Tabs.Properties">
@@ -387,7 +398,8 @@
     <MESSAGE value="add some comments" />
     <MESSAGE value="add parseSelect" />
     <MESSAGE value="revise" />
-    <option name="LAST_COMMIT_MESSAGE" value="revise" />
+    <MESSAGE value="add join pattern" />
+    <option name="LAST_COMMIT_MESSAGE" value="add join pattern" />
   </component>
   <component name="XDebuggerManager">
     <watches-manager>
diff --git a/sqlTranslate/src/main/java/Parser/AST/Join/JoinColumnNode.java b/sqlTranslate/src/main/java/Parser/AST/Join/JoinColumnNode.java
new file mode 100644
index 00000000..e0a59f5e
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Join/JoinColumnNode.java
@@ -0,0 +1,34 @@
+package Parser.AST.Join;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+import java.util.List;
+
+public class JoinColumnNode extends ASTNode {
+    private String keyword;
+    public JoinColumnNode(List<Token> tokens)
+    {
+        super(tokens);
+        this.keyword = "";
+    }
+
+    public JoinColumnNode(ASTNode node)
+    {
+        super(node);
+        this.keyword = "";
+    }
+
+    public void setKeyword(String keyword) {
+        this.keyword = keyword + " ";
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString)
+    {
+        queryString.append(this.keyword + toString() + " ");
+        for (ASTNode child : getChildren())
+        {
+            child.visit(child, queryString);
+        }
+    }
+}
diff --git a/sqlTranslate/src/main/java/Parser/AST/Join/JoinSourceTabNode.java b/sqlTranslate/src/main/java/Parser/AST/Join/JoinSourceTabNode.java
new file mode 100644
index 00000000..1a07b676
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Join/JoinSourceTabNode.java
@@ -0,0 +1,23 @@
+package Parser.AST.Join;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+import java.util.List;
+
+public class JoinSourceTabNode extends ASTNode {
+    public JoinSourceTabNode(List<Token> tokens) {
+        super(tokens);
+    }
+
+    public JoinSourceTabNode(ASTNode node) {
+        super(node);
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren()) {
+            child.visit(child, queryString);
+        }
+    }
+}
diff --git a/sqlTranslate/src/main/java/Parser/AST/Join/JoinTargetTabNode.java b/sqlTranslate/src/main/java/Parser/AST/Join/JoinTargetTabNode.java
new file mode 100644
index 00000000..e4becba2
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Join/JoinTargetTabNode.java
@@ -0,0 +1,23 @@
+package Parser.AST.Join;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+import java.util.List;
+
+public class JoinTargetTabNode extends ASTNode {
+    public JoinTargetTabNode(List<Token> tokens) {
+        super(tokens);
+    }
+
+    public JoinTargetTabNode(ASTNode node) {
+        super(node);
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren()) {
+            child.visit(child, queryString);
+        }
+    }
+}
diff --git a/sqlTranslate/src/main/java/Parser/AST/Join/JoinTypeNode.java b/sqlTranslate/src/main/java/Parser/AST/Join/JoinTypeNode.java
new file mode 100644
index 00000000..9d559069
--- /dev/null
+++ b/sqlTranslate/src/main/java/Parser/AST/Join/JoinTypeNode.java
@@ -0,0 +1,24 @@
+package Parser.AST.Join;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+import java.util.List;
+
+public class JoinTypeNode extends ASTNode {
+    public JoinTypeNode(List<Token> tokens) {
+        super(tokens);
+    }
+
+    public JoinTypeNode(ASTNode node) {
+        super(node);
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren())
+        {
+            child.visit(child, queryString);
+        }
+    }
+}