diff --git a/packages/remax-cli/src/build/plugins/stub.ts b/packages/remax-cli/src/build/plugins/stub.ts
index 5667f9d18..16a586bd6 100644
--- a/packages/remax-cli/src/build/plugins/stub.ts
+++ b/packages/remax-cli/src/build/plugins/stub.ts
@@ -26,42 +26,37 @@ export default function stub(options: Options = {}): Plugin {
         sourceType: 'module',
       });
 
-      const magicString = new MagicString(code);
+      const exports: string[] = [];
 
       ast.body.forEach((node: any) => {
         if (node.type === 'ExportDefaultDeclaration') {
-          magicString.overwrite(node.start, node.end, `\nexport default {};`);
+          exports.push(`\nexport default function() {};`);
         } else if (node.type === 'ExportNamedDeclaration') {
           if (node.declaration == null) {
             let content = '';
             node.specifiers.forEach((specifier: any) => {
-              content += `\nexport var ${specifier.exported.name} = undefined;`;
+              content += `\nexport var ${specifier.exported.name} = function() {};`;
             });
-            magicString.overwrite(node.start, node.end, content);
+            exports.push(content);
           } else if (node.declaration.type === 'VariableDeclaration') {
             node.declaration.declarations.forEach((declaration: any) => {
-              magicString.overwrite(
-                node.start,
-                node.end,
-                `\nexport var ${declaration.id.name} = undefined;`
+              exports.push(
+                `\nexport var ${declaration.id.name} = function() {};`
               );
             });
           } else if (node.declaration.type === 'FunctionDeclaration') {
-            magicString.overwrite(
-              node.start,
-              node.end,
-              `\nexport var ${node.declaration.id.name} = undefined;`
+            exports.push(
+              `\nexport var ${node.declaration.id.name} = function() {};`
             );
           } else if (node.declaration.type === 'ClassDeclaration') {
-            magicString.overwrite(
-              node.start,
-              node.end,
-              `\nexport var ${node.declaration.id.name} = undefined;`
+            exports.push(
+              `\nexport var ${node.declaration.id.name} = function() {};`
             );
           }
         }
       });
 
+      const magicString = new MagicString(exports.join(''));
       code = magicString.toString();
       const map = options.sourceMap ? magicString.generateMap() : null;
       ast = this.parse(code, {
diff --git a/packages/remax-cli/src/build/rollupConfig.ts b/packages/remax-cli/src/build/rollupConfig.ts
index b1f084201..bd0579063 100644
--- a/packages/remax-cli/src/build/rollupConfig.ts
+++ b/packages/remax-cli/src/build/rollupConfig.ts
@@ -44,10 +44,8 @@ export default function rollupConfig(
 
   ['wechat', 'alipay', 'toutiao'].forEach(name => {
     if (API.adapter.name !== name) {
-      const esmPackage = `${name}/esm`;
-      const cjsPackage = `${name}/cjs`;
-      stubModules.push(esmPackage);
-      stubModules.push(cjsPackage);
+      stubModules.push(`${name}/esm/api`);
+      stubModules.push(`${name}/esm/hostComponents`);
     }
   });