diff --git a/config.json b/config.json
index 4eb1a7b..00bd82d 100644
--- a/config.json
+++ b/config.json
@@ -29,7 +29,7 @@
         "iogroup": true,
         "iocmd": true,
         "schedule": true,
-        "modbus": false,
+        "modbus": true,
         "link": true,
         "ipcam": true,
         "wristband": true,