diff --git a/stock-html/full_signal_scan.py b/stock-html/full_signal_scan.py
index a589721..8beb319 100644
--- a/stock-html/full_signal_scan.py
+++ b/stock-html/full_signal_scan.py
@@ -62,6 +62,7 @@ def get_all_stock_codes(conn):
             SELECT code, name FROM stock_realtime_price
             WHERE volume > 0 AND price > 0
               AND name NOT LIKE '%%退%%'
+              AND name NOT LIKE '%%ST%%'
               AND name NOT LIKE 'PT%%'
             ORDER BY code
         """)
diff --git a/stock-html/routes/analysis.py b/stock-html/routes/analysis.py
index 3b5dc33..bf504c5 100644
--- a/stock-html/routes/analysis.py
+++ b/stock-html/routes/analysis.py
@@ -717,7 +717,8 @@ def get_scan_results():
                 )
                 total_scanned = cur.fetchone()[0]
 
-        cur.execute("SELECT count(*) FROM stock_realtime_price")
+        cur.execute("""SELECT count(*) FROM stock_realtime_price
+            WHERE name NOT LIKE '%%退%%' AND name NOT LIKE '%%ST%%' AND name NOT LIKE 'PT%%'""")
         total_stocks = cur.fetchone()[0]
 
         where_clauses = ["scan_date = %s"]
@@ -893,6 +894,7 @@ def get_scan_results():
                 count(*) as cnt
             FROM stock_signal_scan, jsonb_array_elements(signal_status) s
             WHERE scan_date = %s AND (s.value->>'triggered')::boolean = true
+              AND name NOT LIKE '%%退%%' AND name NOT LIKE '%%ST%%'
             GROUP BY s.value->>'name', s.value->>'type'
             ORDER BY cnt DESC
         """, (scan_date,))
@@ -904,6 +906,7 @@ def get_scan_results():
         cur.execute("""
             SELECT count(*) FROM stock_signal_scan
             WHERE scan_date = %s AND triggered_count > 0
+              AND name NOT LIKE '%%退%%' AND name NOT LIKE '%%ST%%'
         """, (scan_date,))
         triggered_stocks = cur.fetchone()[0]
 
@@ -919,6 +922,7 @@ def get_scan_results():
             cur.execute("""
                 SELECT code, signal_status, indicators, triggered_count
                 FROM stock_signal_scan WHERE scan_date = %s
+                AND name NOT LIKE '%%退%%' AND name NOT LIKE '%%ST%%'
             """, (scan_date,))
             recommend_counts = {}
             for r in cur.fetchall():
@@ -1141,7 +1145,8 @@ def get_scan_status():
         )
         scanned = cur.fetchone()[0]
 
-        cur.execute("SELECT count(*) FROM stock_realtime_price")
+        cur.execute("""SELECT count(*) FROM stock_realtime_price
+            WHERE name NOT LIKE '%%退%%' AND name NOT LIKE '%%ST%%' AND name NOT LIKE 'PT%%'""")
         total = cur.fetchone()[0]
 
         cur.execute(
diff --git a/stock-html/sync_kline.py b/stock-html/sync_kline.py
index 563b004..289863c 100644
--- a/stock-html/sync_kline.py
+++ b/stock-html/sync_kline.py
@@ -60,6 +60,7 @@ def get_all_stock_codes(conn):
             SELECT code, name FROM stock_realtime_price
             WHERE volume > 0 AND price > 0
               AND name NOT LIKE '%%退%%'
+              AND name NOT LIKE '%%ST%%'
               AND name NOT LIKE 'PT%%'
             ORDER BY code
         """)