update task3

task3/07_sensitivity.py

@@ -36,7 +36,6 @@ from cycler import cycler
 
 # 设置绘图风格（低饱和度 Morandi 色系）
 MORANDI = {
-    "bg": "#F5F2ED",
     "grid": "#D7D1C7",
     "text": "#3F3F3F",
     "muted_blue": "#8FA3A7",
@@ -46,17 +45,20 @@ MORANDI = {
     "warm_gray": "#8C857A",
 }
 
+FIG_BG = "#FFFFFF"
+FIG_GRID = "#DADDE1"
+
 plt.rcParams.update(
     {
-        "figure.facecolor": MORANDI["bg"],
-        "axes.facecolor": MORANDI["bg"],
-        "savefig.facecolor": MORANDI["bg"],
-        "axes.edgecolor": MORANDI["grid"],
+        "figure.facecolor": FIG_BG,
+        "axes.facecolor": FIG_BG,
+        "savefig.facecolor": FIG_BG,
+        "axes.edgecolor": FIG_GRID,
         "axes.labelcolor": MORANDI["text"],
         "xtick.color": MORANDI["text"],
         "ytick.color": MORANDI["text"],
         "text.color": MORANDI["text"],
-        "grid.color": MORANDI["grid"],
+        "grid.color": FIG_GRID,
         "grid.alpha": 0.55,
         "axes.grid": True,
         "axes.prop_cycle": cycler(
@@ -70,8 +72,8 @@ plt.rcParams.update(
         ),
         "legend.frameon": True,
         "legend.framealpha": 0.9,
-        "legend.facecolor": MORANDI["bg"],
-        "legend.edgecolor": MORANDI["grid"],
+        "legend.facecolor": FIG_BG,
+        "legend.edgecolor": FIG_GRID,
         "font.sans-serif": ["Arial Unicode MS", "SimHei", "DejaVu Sans"],
         "axes.unicode_minus": False,
     }
@@ -436,7 +438,7 @@ for i, param in enumerate(params_list):
     ax.grid(True, alpha=0.55)
 
 plt.tight_layout(rect=[0, 0.03, 1, 0.95])
-plt.savefig(OUTPUT_FIG, dpi=300)
+plt.savefig(OUTPUT_FIG, dpi=300, facecolor=FIG_BG)
 print(f"图表已保存至: {OUTPUT_FIG}")
 
 # ============================================