diff --git a/unilabos/registry/devices/liquid_handler.yaml b/unilabos/registry/devices/liquid_handler.yaml
index 3812043..99380aa 100644
--- a/unilabos/registry/devices/liquid_handler.yaml
+++ b/unilabos/registry/devices/liquid_handler.yaml
@@ -4469,11 +4469,17 @@ liquid_handler:
       properties:
         backend:
           type: string
+        channel_num:
+          default: 8
+          type: integer
         deck:
           type: string
+        simulator:
+          type: boolean
       required:
       - backend
       - deck
+      - simulator
       type: object
     data:
       properties: {}
@@ -6845,6 +6851,12 @@ liquid_handler.prcxi:
   init_param_schema:
     config:
       properties:
+        axis:
+          default: Left
+          type: string
+        channel_num:
+          default: 8
+          type: string
         debug:
           default: false
           type: string
@@ -6852,6 +6864,9 @@ liquid_handler.prcxi:
           type: string
         host:
           type: string
+        matrix_id:
+          default: ''
+          type: string
         port:
           type: integer
         setup:
diff --git a/unilabos/registry/registry.py b/unilabos/registry/registry.py
index a62351c..5fedfdb 100644
--- a/unilabos/registry/registry.py
+++ b/unilabos/registry/registry.py
@@ -105,7 +105,7 @@ class Registry:
                                 "placeholder_keys": {
                                     "res_id": "unilabos_resources",  # 将当前实验室的全部物料id作为下拉框可选择
                                     "device_id": "unilabos_devices",  # 将当前实验室的全部设备id作为下拉框可选择
-                                    "parent": "unilabos_devices",  # 将当前实验室的全部设备id作为下拉框可选择
+                                    "parent": "unilabos_resources",  # 将当前实验室的全部物料id作为下拉框可选择
                                 },
                             },
                             "test_latency": {