diff --git a/packages/editor/__tests__/model/fieldModel.spec.ts b/packages/editor/__tests__/model/fieldModel.spec.ts
index 161ad68a..decc956c 100644
--- a/packages/editor/__tests__/model/fieldModel.spec.ts
+++ b/packages/editor/__tests__/model/fieldModel.spec.ts
@@ -71,6 +71,12 @@ describe('Field test', () => {
     expect(field.refComponentInfos).toEqual({});
   });
 
+  it('should not count variables declared in iife in refs', () => {
+    const field = new FieldModel('{{(function() {const foo = "bar"})() }}');
+    expect(field.isDynamic).toEqual(true);
+    expect(field.refComponentInfos).toEqual({});
+  });
+
   it('get value by path', () => {
     const field = new FieldModel({ foo: [{}, { bar: { baz: 'Hello, world!' } }] });
     expect(field.getPropertyByPath('foo.1.bar.baz')?.getValue()).toEqual('Hello, world!');
diff --git a/packages/editor/src/AppModel/FieldModel.ts b/packages/editor/src/AppModel/FieldModel.ts
index 3dcffda8..b7c207eb 100644
--- a/packages/editor/src/AppModel/FieldModel.ts
+++ b/packages/editor/src/AppModel/FieldModel.ts
@@ -20,6 +20,7 @@ import escodegen from 'escodegen';
 import { JSONSchema7 } from 'json-schema';
 
 export type FunctionNode = ASTNode & { params: ASTNode[] };
+export type DeclaratorNode = ASTNode & { id: ASTNode };
 export class FieldModel implements IFieldModel {
   isDynamic = false;
   refComponentInfos: Record<ComponentId | ModuleId, RefInfo> = {};
@@ -161,7 +162,7 @@ export class FieldModel implements IFieldModel {
 
       this.astNodes[exp] = node as ASTNode;
 
-      // These are varirables of iife, they should be count in refs.
+      // These are variables of iife, they should be count in refs.
       let localVariables: ASTNode[] = [];
 
       simpleWalk(node, {
@@ -200,6 +201,9 @@ export class FieldModel implements IFieldModel {
             default:
           }
         },
+        VariableDeclarator: declarator => {
+          localVariables.push((declarator as DeclaratorNode).id);
+        },
       });
 
       // remove localVariables from refs