diff --git a/sys/configure/configure.go b/sys/configure/configure.go
index 6fecde472..6c5557f99 100644
--- a/sys/configure/configure.go
+++ b/sys/configure/configure.go
@@ -192,7 +192,9 @@ func (this *Configure) checkConfigure() {
 						return
 					}
 					for _, v := range handle.events {
-						v()
+						if v != nil {
+							v()
+						}
 					}
 				}
 			}