diff --git a/src/gausskernel/optimizer/commands/lockcmds.cpp b/src/gausskernel/optimizer/commands/lockcmds.cpp
index 19402c370..66e4e4681 100644
--- a/src/gausskernel/optimizer/commands/lockcmds.cpp
+++ b/src/gausskernel/optimizer/commands/lockcmds.cpp
@@ -38,6 +38,10 @@ static void RangeVarCallbackForLockTable(
  */
 void LockTableCommand(LockStmt* lockstmt)
 {
+    if (DB_IS_CMPT(B_FORMAT) && lockstmt->isLockTables) {
+        TransactionState s = GetCurrentTransactionState();
+        s->blockState = TBLOCK_INPROGRESS;
+    }
     ListCell* p = NULL;
 
     /*
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h
index 0ee1faf69..aab574e48 100755
--- a/src/include/nodes/parsenodes.h
+++ b/src/include/nodes/parsenodes.h
@@ -2160,6 +2160,7 @@ typedef struct LockStmt {
     bool nowait;     /* no wait mode */
     bool cancelable; /* send term to lock holder */
     int waitSec;      /* WAIT time Sec */
+    bool isLockTables; /* lock tables flag */
 } LockStmt;
 
 /* ----------------------