diff --git a/apps/riic_report_analysis.py b/apps/riic_report_analysis.py
index 119e856..4bd172b 100644
--- a/apps/riic_report_analysis.py
+++ b/apps/riic_report_analysis.py
@@ -161,7 +161,7 @@ class RIICReportAnalysis:
                 output += f"调平总和：{total_by_order:.0f}\n\n"
                 if power_plants == 3:
                     if exp_avg != 0:
-                        output += f"钱书比例：{lmb_avg / exp_avg:.0f}"
+                        output += f"钱书比例：{lmb_avg / exp_avg:.2f}"
                     else:
                         output += f"钱书比例：正无穷"
             else: