diff --git a/packages/jsx2mp-loader/src/script-loader.js b/packages/jsx2mp-loader/src/script-loader.js
index 3fde2066..e3780383 100644
--- a/packages/jsx2mp-loader/src/script-loader.js
+++ b/packages/jsx2mp-loader/src/script-loader.js
@@ -167,8 +167,13 @@ module.exports = function scriptLoader(content) {
 
     const pkg = readJSONSync(sourcePackageJSONPath);
     const npmName = pkg.name; // Update to real npm name, for that tnpm will create like `_rax-view@1.0.2@rax-view` folders.
-    const npmMainPath = join(sourcePackagePath, pkg.main || '');
-
+    let npmMainPath = join(sourcePackagePath, pkg.main || '');
+    try {
+      // compat pkg.main without suffix like `lib/index`
+      npmMainPath = require.resolve(npmMainPath);
+    } catch (e) {
+      //  can't resolve npmMainPath
+    }
     const isUsingMainMiniappComponent = pkg.hasOwnProperty(MINIAPP_CONFIG_FIELD) && this.resourcePath === npmMainPath;
     // Is miniapp compatible component.
     if (isUsingMainMiniappComponent || isRelativeMiniappComponent || isThirdMiniappComponent) {