comaparison code optimization and cal sum/total mh dc and laying

app/utils/plot_utils.py

@@ -0,0 +1,10 @@
+import base64
+from io import BytesIO
+import matplotlib
+matplotlib.use("Agg")
+
+def plot_to_base64(plt):
+    img = BytesIO()
+    plt.savefig(img, format="png", bbox_inches="tight")
+    img.seek(0)
+    return base64.b64encode(img.read()).decode("utf-8")