diff --git a/core/init.go b/core/init.go
index 127ef2a..5684233 100644
--- a/core/init.go
+++ b/core/init.go
@@ -47,4 +47,7 @@ func init() {
 		api_key := time.Now().UnixNano()
 		sillyGirl.Set("api_key", api_key)
 	}
+	if sillyGirl.Get("uuid") == "" {
+		sillyGirl.Set("uuid", GetUUID())
+	}
 }
diff --git a/core/test.go b/core/test.go
index 1dfbe8b..a596ee2 100644
--- a/core/test.go
+++ b/core/test.go
@@ -394,6 +394,13 @@ Alias=sillyGirl.service`
 				return nil
 			},
 		},
+		{
+			Rules: []string{"^机器码$"},
+			Admin: true,
+			Handle: func(s Sender) interface{} {
+				return OttoFuncs["machineId"]("")
+			},
+		},
 	})
 }