diff --git a/src/gausskernel/storage/access/heap/heapam.cpp b/src/gausskernel/storage/access/heap/heapam.cpp
index a89b6168c9634dc6937fb14dbe7c6af0b69da64c..521722d9e21c74fe933c0475307e12ce4a89e552 100755
--- a/src/gausskernel/storage/access/heap/heapam.cpp
+++ b/src/gausskernel/storage/access/heap/heapam.cpp
@@ -6095,6 +6095,15 @@ void simple_heap_update(Relation relation, ItemPointer otid, HeapTuple tup)
                 errmsg("All built-in functions are hard coded, and they should not be updated.")));
     }
 
+    /* All attribute of system table columns are hard coded, and thus they should not be updated */
+    if (u_sess->attr.attr_common.IsInplaceUpgrade == false && IsAttributeRelation(relation)) {
+        Oid attrelid = ((Form_pg_attribute)GETSTRUCT(tup))->attrelid;
+        if (IsSystemObjOid(attrelid)) {
+            ereport(ERROR, (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
+                    errmsg("All attribute of system table columns are hard coded, and they should not be updated.")));
+        }
+    }
+
     result = heap_update(relation,
         NULL,
         otid,
diff --git a/src/test/regress/expected/generated_col.out b/src/test/regress/expected/generated_col.out
index 1cbf8485d45477b116aca68ab51e8f6caeb5209f..39e34c462b6c3ad3003080e9027c9234962a6e05 100644
--- a/src/test/regress/expected/generated_col.out
+++ b/src/test/regress/expected/generated_col.out
@@ -1134,3 +1134,8 @@ DROP TABLE gtest1;
 DROP TABLE gtest2;
 DROP TABLE gtest3;
 DROP TABLE gtest10;
+CREATE USER grant_attr_user1 PASSWORD 'gauss@123';
+GRANT select (prosrc) on pg_proc to grant_attr_user1;
+ERROR:  All attribute of system table columns are hard coded, and they should not be updated.
+revoke select (prosrc)  on pg_proc from grant_attr_user1;
+drop user grant_attr_user1 cascade;
diff --git a/src/test/regress/sql/generated_col.sql b/src/test/regress/sql/generated_col.sql
index 7d27f914d3683e41cfd885d979e4664811682e16..a8ab769900fd9e4ffe2753c0e02815f8b1ddb44e 100644
--- a/src/test/regress/sql/generated_col.sql
+++ b/src/test/regress/sql/generated_col.sql
@@ -669,3 +669,8 @@ DROP TABLE gtest2;
 DROP TABLE gtest3;
 DROP TABLE gtest10;
 
+
+CREATE USER grant_attr_user1 PASSWORD 'gauss@123';
+GRANT select (prosrc) on pg_proc to grant_attr_user1;
+revoke select (prosrc)  on pg_proc from grant_attr_user1;
+drop user grant_attr_user1 cascade;
\ No newline at end of file