diff --git a/deepin-system-monitor-main/assets/org.deepin.system-monitor.main.json b/deepin-system-monitor-main/assets/org.deepin.system-monitor.main.json
index 6aab3bc9..194980a9 100644
--- a/deepin-system-monitor-main/assets/org.deepin.system-monitor.main.json
+++ b/deepin-system-monitor-main/assets/org.deepin.system-monitor.main.json
@@ -3,7 +3,7 @@
     "version": "1.0",
     "contents": {
 	"specialComType": {
-            "value": 0,
+            "value": -1,
             "serial": 0,
             "flags": ["global"],
             "name": "Special Computer Type",