diff --git a/trunk/src/app/srs_app_source.cpp b/trunk/src/app/srs_app_source.cpp
old mode 100644
new mode 100755
index bc02eaedd..0f2f18404
--- a/trunk/src/app/srs_app_source.cpp
+++ b/trunk/src/app/srs_app_source.cpp
@@ -1036,7 +1036,7 @@ bool SrsSource::expired()
     }
     
     // still publishing?
-    if (!_can_publish) {
+    if (!_can_publish || !publish_edge->can_publish()) {
         return false;
     }