From 8ae7def939c186bc176ba6e6055483e6b40bb706 Mon Sep 17 00:00:00 2001
From: hmo <staymo7777@gmail.com>
Date: Mon, 27 Apr 2026 21:19:35 +0800
Subject: [PATCH] fix: remove trailing spacers before PDF build to avoid blank
 last page

---
 app/services/pdf_generator.py | 6 +++++-
 config/api_config.json        | 3 ++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/app/services/pdf_generator.py b/app/services/pdf_generator.py
index d203e86..a966861 100644
--- a/app/services/pdf_generator.py
+++ b/app/services/pdf_generator.py
@@ -278,7 +278,7 @@ def generate_pdf(plan_id, student_name, content, output_dir, rendered_report=Non
             return
         c.saveState()
         try:
-            c.setFont("Chinese", 14)
+            c.setFont("Chinese", 56)
             # 浅灰色半透明
             c.setFillColor(colors.Color(0.6, 0.6, 0.6, alpha=0.25))
             # 旋转45度
@@ -290,5 +290,9 @@ def generate_pdf(plan_id, student_name, content, output_dir, rendered_report=Non
             pass
         c.restoreState()
 
+    # 移除末尾的空白元素（避免产生多余空白页）
+    while pdf.elements and isinstance(pdf.elements[-1], Spacer):
+        pdf.elements.pop()
+
     doc.build(pdf.elements, onFirstPage=draw_watermark, onLaterPages=draw_watermark)
     return output_path
\ No newline at end of file
diff --git a/config/api_config.json b/config/api_config.json
index 86de97d..8d54bc6 100644
--- a/config/api_config.json
+++ b/config/api_config.json
@@ -8,5 +8,6 @@
   "model": "MiniMax-M2.7-highspeed",
   "temperature": 0.1,
   "prompt_template": "",
-  "api_key": "sk-cp-Mj6FHASGAcdc1IhpetY7z4lXCgbkoGAkMbViODPHiVdC-NerbqKRW8ZTCuFliDA9JukoB56ILEYUhDKH2QUJq-xt1ZYNStQ-HNgjRvXIq0H4gOgoxy26xuA"
+  "api_key": "sk-cp-Mj6FHASGAcdc1IhpetY7z4lXCgbkoGAkMbViODPHiVdC-NerbqKRW8ZTCuFliDA9JukoB56ILEYUhDKH2QUJq-xt1ZYNStQ-HNgjRvXIq0H4gOgoxy26xuA",
+  "watermark_text": "有音教育·艺超音乐培训"
 }
\ No newline at end of file