diff --git a/src/gausskernel/process/postmaster/pagewriter.cpp b/src/gausskernel/process/postmaster/pagewriter.cpp
index 4d5b125bd..5c2cd512d 100755
--- a/src/gausskernel/process/postmaster/pagewriter.cpp
+++ b/src/gausskernel/process/postmaster/pagewriter.cpp
@@ -1217,8 +1217,8 @@ static void HandlePageWriterMainInterrupts()
     }
 
     if (t_thrd.pagewriter_cxt.sync_requested) {
-        PageWriterSyncWithAbsorption();
         t_thrd.pagewriter_cxt.sync_requested = false;
+        PageWriterSyncWithAbsorption();
     }
 
     /* main thread should finally exit. */