add log'

app.py

@@ -92,6 +92,7 @@ def homepage_recommend():
                 'logTimestamp': int(time.time() * 1000),
                 'request_id': request_id,
                 'app_type': app_type,
+                'ab_exp_info': ab_exp_info,
                 'category_id': category_id,
                 'mid': mid,
                 'uid': uid,