Update app.py

app.py

@@ -120,12 +120,13 @@ def apply_font_to_all_text(fig):
     # 設定到極座標軸
     if hasattr(fig, 'layout') and hasattr(fig.layout, 'polar') and hasattr(fig.layout.polar, 'radialaxis'):
         fig.layout.polar.radialaxis.tickfont.family = "Microsoft JhengHei, Noto Sans CJK, Arial"
-    if hasattr(fig, 'layout') and hasattr(fig.layout.polar, 'radialaxis', 'title'):
-        fig.layout.polar.radialaxis.title.font.family = "Microsoft JhengHei, Noto Sans CJK, Arial" # 極座標 title
+        if hasattr(fig.layout.polar.radialaxis, 'title'):  # 先檢查是否有 title 屬性
+            if hasattr(fig.layout.polar.radialaxis.title, 'font'): # 再檢查 title 屬性是否有 font
+                fig.layout.polar.radialaxis.title.font.family = "Microsoft JhengHei, Noto Sans CJK, Arial" # 極座標 title
     if hasattr(fig, 'layout') and hasattr(fig.layout, 'polar') and hasattr(fig.layout.polar, 'angularaxis'):
         fig.layout.polar.angularaxis.tickfont.family = "Microsoft JhengHei, Noto Sans CJK, Arial"
-    #if hasattr(fig.layout, 'polar') and hasattr(fig.layout.polar, 'angularaxis', 'title'):
-    #    fig.layout.polar.angularaxis.title.font.family = "Microsoft JhengHei, Noto Sans CJK, Arial" # 極座標 title
+   # if hasattr(fig.layout, 'polar') and hasattr(fig.layout.polar, 'angularaxis', 'title'):
+   # fig.layout.polar.angularaxis.title.font.family = "Microsoft JhengHei, Noto Sans CJK, Arial" # 極座標 title
 
     return fig