diff --git a/src/backend/catalog/system_views.sql b/src/backend/catalog/system_views.sql
index 01d86e8..e93150c 100644
--- a/src/backend/catalog/system_views.sql
+++ b/src/backend/catalog/system_views.sql
@@ -879,8 +879,9 @@ CREATE VIEW pg_stat_he3_logindex AS
 SELECT
     s.memtable_total,
     s.memtable_used,
+    s.memtable_start_index,
     s.memtable_active_index,
-    s.memtable_start_index
+    s.page_total
 FROM pg_stat_get_he3_logindex() AS s;
 
 CREATE VIEW pg_stat_slru AS
diff --git a/src/backend/storage/lmgr/he3db_logindex.c b/src/backend/storage/lmgr/he3db_logindex.c
index ec98aa8..e3702ca 100644
--- a/src/backend/storage/lmgr/he3db_logindex.c
+++ b/src/backend/storage/lmgr/he3db_logindex.c
@@ -829,12 +829,29 @@ void FreeTagNode(TagNode *head)
     }
 }
 
-void He3DBGetLogindexStats(uint64 *memtable_total, uint64 *memtable_used, uint64 *memtable_active_index, uint64 *memtable_start_index)
+void He3DBGetLogindexStats(uint64 *memtable_total, uint64 *memtable_used, uint64 *memtable_active_index,
+                           uint64 *memtable_start_index, uint64 *page_total)
 {
     LWLockAcquire(LogIndexMemListLock,LW_SHARED);
     *memtable_start_index = log_index_mem_list->table_start_index;
     *memtable_active_index = log_index_mem_list->active_table_index;
     *memtable_total = log_index_mem_list->table_cap;
-    *memtable_used = ((*memtable_active_index - *memtable_start_index) + *memtable_total)%*memtable_total + 1;
     LWLockRelease(LogIndexMemListLock);
+    *memtable_used = ((*memtable_active_index - *memtable_start_index) + *memtable_total)%*memtable_total + 1;
+    uint64 tbl_index = *memtable_start_index;
+    uint64 page_num = 0;
+    while(tbl_index != *memtable_active_index)
+    {
+        LogIndexMemTBL *mem_tbl = &(log_index_mem_list->mem_table[tbl_index]);
+        tbl_index = (tbl_index + 1)%(*memtable_total);
+        page_num = page_num + mem_tbl->meta.page_free_head - 2;
+    }
+    if (tbl_index == *memtable_active_index)
+    {
+        LogIndexMemTBL *mem_tbl = &(log_index_mem_list->mem_table[tbl_index]);
+        if (pg_atomic_read_u32(&mem_tbl->meta.state) != LOG_INDEX_MEM_TBL_STATE_FREE){
+            page_num = page_num + mem_tbl->meta.page_free_head - 2;
+        }
+    }
+    *page_total = page_num;
 }
diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c
index e7a553b..0801acb 100644
--- a/src/backend/utils/adt/pgstatfuncs.c
+++ b/src/backend/utils/adt/pgstatfuncs.c
@@ -2438,7 +2438,7 @@ pg_stat_get_he3walwrite(PG_FUNCTION_ARGS)
 Datum
 pg_stat_get_he3_logindex(PG_FUNCTION_ARGS)
 {
-#define PG_STAT_GET_HE3_LOGINDEX_COLS	4
+#define PG_STAT_GET_HE3_LOGINDEX_COLS	5
     TupleDesc	tupdesc;
     Datum		values[PG_STAT_GET_HE3_LOGINDEX_COLS];
     bool		nulls[PG_STAT_GET_HE3_LOGINDEX_COLS];
@@ -2446,31 +2446,35 @@ pg_stat_get_he3_logindex(PG_FUNCTION_ARGS)
     uint64		memtable_used;
     uint64		memtable_active_index;
     uint64		memtable_start_index;
+    uint64		page_total;
 
     /* Initialise values and NULL flags arrays */
     MemSet(values, 0, sizeof(values));
     MemSet(nulls, 0, sizeof(nulls));
 
     /* Initialise attributes information in the tuple descriptor */
-    tupdesc = CreateTemplateTupleDesc(PG_STAT_GET_HE3WALWRITE_COLS);
+    tupdesc = CreateTemplateTupleDesc(PG_STAT_GET_HE3_LOGINDEX_COLS);
     TupleDescInitEntry(tupdesc, (AttrNumber) 1, "memtable_total",
                        INT8OID, -1, 0);
     TupleDescInitEntry(tupdesc, (AttrNumber) 2, "memtable_used",
                        INT8OID, -1, 0);
-    TupleDescInitEntry(tupdesc, (AttrNumber) 3, "memtable_active_index",
+    TupleDescInitEntry(tupdesc, (AttrNumber) 3, "memtable_start_index",
                        INT8OID, -1, 0);
-    TupleDescInitEntry(tupdesc, (AttrNumber) 4, "memtable_start_index",
+    TupleDescInitEntry(tupdesc, (AttrNumber) 4, "memtable_active_index",
+                       INT8OID, -1, 0);
+    TupleDescInitEntry(tupdesc, (AttrNumber) 5, "page_total",
                        INT8OID, -1, 0);
 
     BlessTupleDesc(tupdesc);
 
-    He3DBGetLogindexStats(&memtable_total, &memtable_used, &memtable_active_index, &memtable_start_index);
+    He3DBGetLogindexStats(&memtable_total, &memtable_used, &memtable_active_index, &memtable_start_index, &page_total);
 
     /* Fill values and NULLs */
     values[0] = UInt64GetDatum(memtable_total);
     values[1] = UInt64GetDatum(memtable_used);
-    values[2] = UInt64GetDatum(memtable_active_index);
-    values[3] = UInt64GetDatum(memtable_start_index);
+    values[2] = UInt64GetDatum(memtable_start_index);
+    values[3] = UInt64GetDatum(memtable_active_index);
+    values[4] = UInt64GetDatum(page_total);
 
     /* Returns the record as Datum */
     PG_RETURN_DATUM(HeapTupleGetDatum(heap_form_tuple(tupdesc, values, nulls)));
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index af4f1af..cab0d06 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -5593,9 +5593,9 @@
 { oid => '6207', descr => 'statistics: information about He3DB LogIndex',
   proname => 'pg_stat_get_he3_logindex', proisstrict => 'f', provolatile => 's',
   proparallel => 'r', prorettype => 'record', proargtypes => '',
-  proallargtypes => '{int8,int8,int8,int8}',
-  proargmodes => '{o,o,o,o}',
-  proargnames => '{memtable_total,memtable_used,memtable_active_index,memtable_start_index}',
+  proallargtypes => '{int8,int8,int8,int8,int8}',
+  proargmodes => '{o,o,o,o,o}',
+  proargnames => '{memtable_total,memtable_used,memtable_start_index,memtable_active_index,page_total}',
   prosrc => 'pg_stat_get_he3_logindex' },
 
 { oid => '2306', descr => 'statistics: information about SLRU caches',
diff --git a/src/include/storage/he3db_logindex.h b/src/include/storage/he3db_logindex.h
index a4e6d08..ef548a7 100644
--- a/src/include/storage/he3db_logindex.h
+++ b/src/include/storage/he3db_logindex.h
@@ -117,5 +117,6 @@ extern void FreeLsnNode(LsnNode *head);
 extern TagNode *GetBufTagByLsnRange(XLogRecPtr start_lsn, XLogRecPtr end_lsn);
 extern void FreeTagNode(TagNode *head);
 extern bool CheckBufTagExistByLsnRange(const BufferTag *page, XLogRecPtr start_lsn, XLogRecPtr end_lsn);
-extern void He3DBGetLogindexStats(uint64 *memtable_total, uint64 *memtable_used, uint64 *memtable_active_index, uint64 *memtable_start_index);
+extern void He3DBGetLogindexStats(uint64 *memtable_total, uint64 *memtable_used, uint64 *memtable_active_index,
+                                  uint64 *memtable_start_index, uint64 *page_total);
 #endif							/* HE3DB_LOGINDEX_H */
\ No newline at end of file