diff --git a/src/postprocessing/report_word.py b/src/postprocessing/report_word.py
index a500790..93f42eb 100644
--- a/src/postprocessing/report_word.py
+++ b/src/postprocessing/report_word.py
@@ -957,7 +957,7 @@ class WaterQualityReportGenerator:
         section.bottom_margin = Cm(2.5)
 
         # ── 封面 ──
-        self._add_cover_page(doc, report_title, "水色指数 / 物理经验公式反演分析")
+        self._add_cover_page(doc)
         try: progress.update(1)
         except Exception: pass