diff --git a/src/gausskernel/process/postmaster/cbmwriter.cpp b/src/gausskernel/process/postmaster/cbmwriter.cpp
index a38a57330..e4fb1feb5 100755
--- a/src/gausskernel/process/postmaster/cbmwriter.cpp
+++ b/src/gausskernel/process/postmaster/cbmwriter.cpp
@@ -153,6 +153,7 @@ void CBMWriterMain(void)
         t_thrd.utils_cxt.CurrentResourceOwner = cbmwriter_resourceOwner;
 
         FreeAllAllocatedDescs();
+        AtEOXact_HashTables(false);
 
         /*
          * Now return to normal top-level context and clear ErrorContext for