diff --git a/config.json b/config.json
index 32dd98b..e906251 100644
--- a/config.json
+++ b/config.json
@@ -2,11 +2,31 @@
     "groups": [
         {
             "name": "服务器",
-            "serial_port": "COM16",
+            "serial_port": "COM17",
+            "serial_baudrate": 9600,
+            "camera_index": 2,
+            "camera_width": 1920,
+            "camera_height": 1080,
+            "move_velocity": 470,
+            "active": false
+        },
+        {
+            "name": "2号机",
+            "serial_port": "COM14",
             "serial_baudrate": 9600,
             "camera_index": 0,
             "camera_width": 1920,
             "camera_height": 1080,
+            "move_velocity": 420,
+            "active": false
+        },
+        {
+            "name": "3号机",
+            "serial_port": "COM18",
+            "serial_baudrate": 9600,
+            "camera_index": 1,
+            "camera_width": 1920,
+            "camera_height": 1080,
             "move_velocity": 470,
             "active": true
         }
@@ -14,10 +34,10 @@
     "display": {
         "preview_width": 1920,
         "preview_height": 1080,
-        "preview_columns": 1,
-        "preview_rows": 1,
+        "preview_columns": 2,
+        "preview_rows": 2,
         "show_preview": true,
         "preview_multi_window": false,
-        "preview_use_all_groups": false
+        "preview_use_all_groups": true
     }
 }
\ No newline at end of file