diff --git a/code/njucs_plot.py b/code/njucs_plot.py
new file mode 100644
index 0000000..32ba7a7
--- /dev/null
+++ b/code/njucs_plot.py
@@ -0,0 +1,23 @@
+import matplotlib.pyplot as plt
+x = [1,2,3,4,5,6, 7,8,9 , 10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]
+y = [1,2,4,8,16,32,33,34,35,36,37,38,39,40,41,42,23,24,25,26,27,28,1,2,4,9]
+
+for a,b in zip(x,y):
+    if a==6:
+        plt.text(a,b+1,'%.0f' %b,ha='center',va='bottom',fontsize=10)
+
+plt.scatter(x,y,s=20)
+# 设置图表标题，并给坐标轴添加标签
+#plt.title("square of 'x'", fontsize=22)
+plt.xlabel("Transmission round", fontsize=10)
+plt.ylabel("Congestion window size (segments)", fontsize=10)
+plt.plot(x,y)
+
+#plt.xticks([1,2,3,4,5,6, 7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26])
+plt.xticks([2,4,6, 8,10,12,14,16,18,20,22,24,26])
+plt.yticks([5,10,15,20,25,30,35,40,45,50])
+# 设置坐标轴刻度标记的大小
+plt.tick_params(axis='both',which='major', labelsize=10)
+plt.axis('tight')
+plt.legend()
+plt.show()
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