diff --git a/sqlTranslate/.idea/workspace.xml b/sqlTranslate/.idea/workspace.xml
index 927c33fbd..c13465a49 100644
--- a/sqlTranslate/.idea/workspace.xml
+++ b/sqlTranslate/.idea/workspace.xml
@@ -4,12 +4,12 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="d8d12963-4777-48e3-9669-309cf5e41d60" name="更改" comment="add Loop ast classes">
+    <list default="true" id="d8d12963-4777-48e3-9669-309cf5e41d60" name="更改" comment="add Loop">
+      <change afterPath="$PROJECT_DIR$/src/main/java/Document/Exception in Oracle" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/Generator/OpenGaussGenerator.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Generator/OpenGaussGenerator.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/Document/Todolist" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Document/Todolist" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/Lexer/OracleLexer.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Lexer/OracleLexer.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/main/java/Main.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Main.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/OracleParser.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Parser/OracleParser.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
@@ -20,8 +20,8 @@
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
       <list>
-        <option value="Class" />
         <option value="Interface" />
+        <option value="Class" />
       </list>
     </option>
   </component>
@@ -108,13 +108,6 @@
       <option name="presentableId" value="Default" />
       <updated>1723106789329</updated>
     </task>
-    <task id="LOCAL-00023" summary="add todolist">
-      <created>1725890826442</created>
-      <option name="number" value="00023" />
-      <option name="presentableId" value="LOCAL-00023" />
-      <option name="project" value="LOCAL" />
-      <updated>1725890826442</updated>
-    </task>
     <task id="LOCAL-00024" summary="add todolist">
       <created>1725896687932</created>
       <option name="number" value="00024" />
@@ -451,7 +444,14 @@
       <option name="project" value="LOCAL" />
       <updated>1726316179152</updated>
     </task>
-    <option name="localTasksCounter" value="72" />
+    <task id="LOCAL-00072" summary="add Loop">
+      <created>1726326745122</created>
+      <option name="number" value="00072" />
+      <option name="presentableId" value="LOCAL-00072" />
+      <option name="project" value="LOCAL" />
+      <updated>1726326745123</updated>
+    </task>
+    <option name="localTasksCounter" value="73" />
     <servers />
   </component>
   <component name="Vcs.Log.Tabs.Properties">
@@ -466,7 +466,6 @@
     </option>
   </component>
   <component name="VcsManagerConfiguration">
-    <MESSAGE value="add join convert rule" />
     <MESSAGE value="refractor" />
     <MESSAGE value="add select convert rules" />
     <MESSAGE value="add update ast class" />
@@ -491,7 +490,8 @@
     <MESSAGE value="add Loop document" />
     <MESSAGE value="add Loop keywords" />
     <MESSAGE value="add Loop ast classes" />
-    <option name="LAST_COMMIT_MESSAGE" value="add Loop ast classes" />
+    <MESSAGE value="add Loop" />
+    <option name="LAST_COMMIT_MESSAGE" value="add Loop" />
   </component>
   <component name="XDebuggerManager">
     <watches-manager>
diff --git a/sqlTranslate/src/main/java/Document/Exception in Oracle b/sqlTranslate/src/main/java/Document/Exception in Oracle
new file mode 100644
index 000000000..b608c4fd7
--- /dev/null
+++ b/sqlTranslate/src/main/java/Document/Exception in Oracle	
@@ -0,0 +1,20 @@
+EXCEPTION
+    -- custom exception
+    WHEN e_custom_exception THEN
+        DBMS_OUTPUT.PUT_LINE('Caught an exception: Custom exception raised');
+    -- divide by zero
+    WHEN ZERO_DIVIDE THEN
+        DBMS_OUTPUT.PUT_LINE('Caught an exception: Division by zero');
+    -- invalid text representations
+    WHEN INVALID_NUMBER THEN
+        DBMS_OUTPUT.PUT_LINE('Caught an exception: Invalid number');
+    -- other exceptions
+    WHEN OTHERS THEN
+        DBMS_OUTPUT.PUT_LINE('Caught an exception: ' || SQLERRM);
+
+Example:
+    EXCEPTION
+        WHEN ZERO_DIVIDE THEN
+            DBMS_OUTPUT.PUT_LINE('Caught an exception: Division by zero');
+        WHEN OTHERS THEN
+            DBMS_OUTPUT.PUT_LINE('Caught an exception: ' || SQLERRM);
\ No newline at end of file
diff --git a/sqlTranslate/src/main/java/Document/Todolist b/sqlTranslate/src/main/java/Document/Todolist
index fed81ff29..13fdb9339 100644
--- a/sqlTranslate/src/main/java/Document/Todolist
+++ b/sqlTranslate/src/main/java/Document/Todolist
@@ -12,16 +12,16 @@ Operation
  loop... end loop 1
  while... loop... end loop 1
  for ... in () loop end loop 1
- continue、exit
- return
- exception
- commit、rollback、execute
+ continue、exit 1
+ return ****
+ exception **
+ commit、rollback、execute ****
  alter table 1
  create table 1
  drop table 1
 Object
  table 1
  view 1
- function
- procedure
- trigger
\ No newline at end of file
+ function ***
+ procedure ***
+ trigger *****
\ No newline at end of file
diff --git a/sqlTranslate/src/main/java/Lexer/OracleLexer.java b/sqlTranslate/src/main/java/Lexer/OracleLexer.java
index fd5c8526b..96e3a49d0 100644
--- a/sqlTranslate/src/main/java/Lexer/OracleLexer.java
+++ b/sqlTranslate/src/main/java/Lexer/OracleLexer.java
@@ -32,7 +32,7 @@ public class OracleLexer {
             // PL/SQL
             , ":=", "IF", "ELSIF", "BEGIN", ".."
             // Loop
-            , "LOOP", "EXIT", "WHILE", "FOR", "IN"
+            , "LOOP", "EXIT", "WHILE", "FOR", "IN", "CONTINUE"
     };
     private static final Pattern TOKEN_PATTERN = Pattern.compile(
             "(NUMBER\\(.*?\\))|" +                     // NUMBER() function
diff --git a/sqlTranslate/src/main/java/Main.java b/sqlTranslate/src/main/java/Main.java
index 35a3658c4..7fc0ed165 100644
--- a/sqlTranslate/src/main/java/Main.java
+++ b/sqlTranslate/src/main/java/Main.java
@@ -47,6 +47,7 @@ public class Main {
 //                "             END IF;";
         String sql = "LOOP\n" +
                 "        DBMS_OUTPUT.PUT_LINE(v_counter);\n" +
+                "        Continue;\n" +
                 "        v_counter := v_counter + 1;\n" +
                 "        EXIT WHEN v_counter > 10;\n" +
                 "    END LOOP;";
diff --git a/sqlTranslate/src/main/java/Parser/OracleParser.java b/sqlTranslate/src/main/java/Parser/OracleParser.java
index 2f893ac34..7844d9208 100644
--- a/sqlTranslate/src/main/java/Parser/OracleParser.java
+++ b/sqlTranslate/src/main/java/Parser/OracleParser.java
@@ -797,7 +797,7 @@ public class OracleParser {
                 currentNode.addChild(childNode);
                 currentNode = childNode;
             }
-            // match EXIT WHEN condition;
+            // match EXIT condition;
             else if (parseTokens.get(i).hasType(Token.TokenType.KEYWORD) && parseTokens.get(i).getValue().equalsIgnoreCase("EXIT")) {
                 ASTNode childNode = new LoopExitNode();
                 for (int j = i; j < parseTokens.size(); j++) {