diff --git a/src/main/java/net/geedge/confagent/util/OSHIUtils.java b/src/main/java/net/geedge/confagent/util/OSHIUtils.java
index 016e050..d1a1754 100644
--- a/src/main/java/net/geedge/confagent/util/OSHIUtils.java
+++ b/src/main/java/net/geedge/confagent/util/OSHIUtils.java
@@ -209,9 +209,9 @@ public class OSHIUtils {
             map.put("receiveQueue",connection.getReceiveQueue());
             if (connection.getowningProcessId() == -1 ){
                 //未知进程 getowningProcessId 返回 -1 为避免获取进程name error
-                map.put("processId","unknown");
-                map.put("processName","unknown");
-                map.put("processCmd","unknown");
+                map.put("processId",-1);
+                map.put("processName","");
+                map.put("processCmd","");
             }else {
                 map.put("processId",connection.getowningProcessId());
                 map.put("processName",operatingSystem.getProcess(connection.getowningProcessId()).getName());