diff --git a/src/handlers/aws.ts b/src/handlers/aws.ts
index 2baed23..e289c43 100644
--- a/src/handlers/aws.ts
+++ b/src/handlers/aws.ts
@@ -19,11 +19,14 @@ type App = (
 
 export default (app: App): AWSHandler =>
   async (event, context, callback) => {
+    // Alibaba sends a buffer instead of a string.
+    const e = Buffer.isBuffer(event) ? JSON.parse(event.toString()) : event;
+
     // https://www.jeremydaly.com/reuse-database-connections-aws-lambda/
     context.callbackWaitsForEmptyEventLoop = false;
 
     try {
-      callback(null, await handleSuccess(app, event, context));
+      callback(null, await handleSuccess(app, e, context));
     } catch (e) {
       handleError(callback)(e as Error);
     }
diff --git a/src/serverless-api.ts b/src/serverless-api.ts
index 6faac07..eef0a6c 100644
--- a/src/serverless-api.ts
+++ b/src/serverless-api.ts
@@ -24,16 +24,19 @@ export default (dirname: string): HandlerFunction => {
     }
   }
 
-  // Otherwise fallback to AWS.
+  // Otherwise fallback to default syntax.
   return async (
-    event: RequestEvent,
+    event: RequestEvent | Buffer,
     context: Record<string, any>,
     callback: AwsCallback
   ) => {
     context.callbackWaitsForEmptyEventLoop = false;
 
+    // Alibaba sends a buffer instead of a string.
+    const e = Buffer.isBuffer(event) ? JSON.parse(event.toString()) : event;
+
     try {
-      callback(null, await handleApi(event, dirname));
+      callback(null, await handleApi(e, dirname));
     } catch (e) {
       handleError(callback)(e as Error);
     }