diff --git a/src/gausskernel/process/postmaster/bgwriter.cpp b/src/gausskernel/process/postmaster/bgwriter.cpp
index 765a9c927..5ba30c210 100755
--- a/src/gausskernel/process/postmaster/bgwriter.cpp
+++ b/src/gausskernel/process/postmaster/bgwriter.cpp
@@ -748,7 +748,7 @@ static int64 get_bgwriter_sleep_time()
     } else {
         time_diff = 0;
     }
-
+    time_diff = MIN(time_diff, u_sess->attr.attr_storage.BgWriterDelay);
     return time_diff;
 }
 
diff --git a/src/gausskernel/process/postmaster/pagewriter.cpp b/src/gausskernel/process/postmaster/pagewriter.cpp
index f3a21162b..125330726 100644
--- a/src/gausskernel/process/postmaster/pagewriter.cpp
+++ b/src/gausskernel/process/postmaster/pagewriter.cpp
@@ -688,6 +688,7 @@ static int64 get_pagewriter_sleep_time()
     } else {
         time_diff = 0;
     }
+    time_diff = MIN(time_diff, u_sess->attr.attr_storage.pageWriterSleep);
     return time_diff;
 }