diff --git a/packages/transpiler/class-transformer/src/pluginProvider.ts b/packages/transpiler/class-transformer/src/pluginProvider.ts
index 3124042f..0766f562 100644
--- a/packages/transpiler/class-transformer/src/pluginProvider.ts
+++ b/packages/transpiler/class-transformer/src/pluginProvider.ts
@@ -3,6 +3,10 @@ import * as babel from '@babel/core';
 import { Option } from './types';
 import type { Scope } from '@babel/traverse';
 
+const DECORATOR_PROPS = 'Prop';
+const DECORATOR_CHILDREN = 'Children';
+const DECORATOR_WATCH = 'Watch';
+
 function replaceFnWithClass(path: NodePath<t.FunctionDeclaration>, classTransformer: ClassComponentTransformer) {
   const originalName = path.node.id.name;
   const tempName = path.node.id.name + 'Temp';
@@ -214,7 +218,7 @@ class ClassComponentTransformer {
    */
   transformWatch(node: t.LabeledStatement) {
     const id = this.functionScope.generateUidIdentifier(DECORATOR_WATCH.toLowerCase());
-    const method = this.t.classMethod('method', id, [], this.t.blockStatement([node.body]), false, false);
+    const method = this.t.classMethod('method', id, [], this.t.blockStatement([node]), false, false);
     method.decorators = [this.t.decorator(this.t.identifier(DECORATOR_WATCH))];
     this.addProperty(method);
   }