diff --git a/unilabos/devices/liquid_handling/prcxi/prcxi.py b/unilabos/devices/liquid_handling/prcxi/prcxi.py
index 7c5442a..31d18c1 100644
--- a/unilabos/devices/liquid_handling/prcxi/prcxi.py
+++ b/unilabos/devices/liquid_handling/prcxi/prcxi.py
@@ -405,19 +405,16 @@ class PRCXI9300TubeRack(TubeRack):
         if items_to_pass is not None:
             super().__init__(name, size_x, size_y, size_z, 
                              ordered_items=items_to_pass, 
-                             category=category,
                              model=model, 
                              **kwargs)
         elif ordering_param is not None:
             # 传递 ordering 参数，让 TubeRack 自己创建 Tube 对象
             super().__init__(name, size_x, size_y, size_z, 
                              ordering=ordering_param,
-                             category=category,
                              model=model, 
                              **kwargs)
         else:
             super().__init__(name, size_x, size_y, size_z, 
-                             category=category,
                              model=model, 
                              **kwargs)
         
@@ -1276,7 +1273,7 @@ class PRCXI9300Backend(LiquidHandlerBackend):
         PlateNo = plate_indexes[0] + 1
         hole_col = tip_columns[0] + 1
         hole_row = 1
-        if self.num_channels == 1 or self.num_channels == 2:
+        if self.num_channels == 1:
             hole_row = tipspot_index % 8 + 1
 
         assert mix_time > 0
@@ -1333,7 +1330,7 @@ class PRCXI9300Backend(LiquidHandlerBackend):
         PlateNo = plate_indexes[0] + 1
         hole_col = tip_columns[0] + 1
         hole_row = 1
-        if self.num_channels == 1 or self.num_channels == 2:
+        if self.num_channels == 1:
             hole_row = tipspot_index % 8 + 1
 
         step = self.api_client.Imbibing(
@@ -1391,7 +1388,7 @@ class PRCXI9300Backend(LiquidHandlerBackend):
         hole_col = tip_columns[0] + 1
 
         hole_row = 1
-        if self.num_channels == 1 or self.num_channels == 2:
+        if self.num_channels == 1:
             hole_row = tipspot_index % 8 + 1
 
         step = self.api_client.Tapping(
diff --git a/unilabos/resources/graphio.py b/unilabos/resources/graphio.py
index a00227f..faf0482 100644
--- a/unilabos/resources/graphio.py
+++ b/unilabos/resources/graphio.py
@@ -592,7 +592,6 @@ def resource_plr_to_ulab(resource_plr: "ResourcePLR", parent_name: str = None, w
             "trash": "trash",
             "deck": "deck",
             "tip_rack": "tip_rack",
-            "tube_rack": "tube_rack",
             "warehouse": "warehouse",
             "container": "container",
             "tube": "tube",
diff --git a/unilabos/resources/resource_tracker.py b/unilabos/resources/resource_tracker.py
index 5d69ef6..610ba3d 100644
--- a/unilabos/resources/resource_tracker.py
+++ b/unilabos/resources/resource_tracker.py
@@ -333,7 +333,6 @@ class ResourceTreeSet(object):
                 "well": "well",
                 "deck": "deck",
                 "tip_rack": "tip_rack",
-                "tube_rack": "tube_rack",
                 "tip_spot": "tip_spot",
                 "tube": "tube",
                 "bottle_carrier": "bottle_carrier",
@@ -380,36 +379,33 @@ class ResourceTreeSet(object):
             }
 
             # 先构建当前节点的字典（不包含children）
-            # 获取category：优先从顶层获取，如果不存在则从config中获取
-            category = d.get("category") or d.get("config", {}).get("category", "")
-            config_dict = {
-                k: v
-                for k, v in d.items()
-                if k
-                not in [
-                    "name",
-                    "children",
-                    "parent_name",
-                    "location",
-                    "rotation",
-                    "size_x",
-                    "size_y",
-                    "size_z",
-                    "cross_section_type",
-                    "bottom_type",
-                ]
-            }
             r_dict = {
                 "id": d["name"],
                 "uuid": current_uuid,
                 "name": d["name"],
                 "parent": parent_resource,  # 直接传入 ResourceDict 对象
                 "parent_uuid": parent_uuid,  # 使用 parent_uuid 而不是 parent 对象
-                "type": replace_plr_type(category),
+                "type": replace_plr_type(d.get("category", "")),
                 "class": d.get("class", ""),
                 "position": pos,
                 "pose": pos,
-                "config": config_dict,
+                "config": {
+                    k: v
+                    for k, v in d.items()
+                    if k
+                    not in [
+                        "name",
+                        "children",
+                        "parent_name",
+                        "location",
+                        "rotation",
+                        "size_x",
+                        "size_y",
+                        "size_z",
+                        "cross_section_type",
+                        "bottom_type",
+                    ]
+                },
                 "data": states[d["name"]],
                 "extra": extra,
             }
diff --git a/unilabos/test/experiments/prcxi_9320_with_res_test.json b/unilabos/test/experiments/prcxi_9320_with_res_test.json
index 8e888ce..43e7e1b 100644
--- a/unilabos/test/experiments/prcxi_9320_with_res_test.json
+++ b/unilabos/test/experiments/prcxi_9320_with_res_test.json
@@ -6719,9 +6719,9 @@
       },
       "data": {
         "Material": {
-          "uuid": "73bb9b10bc394978b70e027bf45ce2d3",
-          "Code": "ZX-023-0.2",
-          "Name": "0.2ml PCR板"
+          "uuid": "b05b3b2aafd94ec38ea0cd3215ecea8f",
+          "Code": "ZX-78-096",
+          "Name": "细菌培养皿"
         }
       }
     },
@@ -16495,9 +16495,11 @@
       },
       "data": {
         "Material": {
-          "uuid": "73bb9b10bc394978b70e027bf45ce2d3",
-          "Code": "ZX-023-0.2",
-          "Name": "0.2ml PCR板"
+          "uuid": "e146697c395e4eabb3d6b74f0dd6aaf7",
+          "Code": "1",
+          "SupplyType": 1,
+          "Name": "ep适配器",
+          "SummaryName": "ep适配器"
         }
       }
     },