diff --git a/nCov_ECharts_map_visualization/nCov_distribution_map.html b/nCov_ECharts_map_visualization/nCov_distribution_map.html
index c20bd5f..e46aeb5 100644
--- a/nCov_ECharts_map_visualization/nCov_distribution_map.html
+++ b/nCov_ECharts_map_visualization/nCov_distribution_map.html
@@ -83,7 +83,7 @@
                             formatter: '{b}', // b是数据名，c是数据值
                             fontSize: 12
                         },
-                        data: [
+                        data: [ // 取出data数据，data是json数据，取出字典的键对应的值
                             {name: data['name'][0], value: data['value'][0]},
                             {name: data['name'][1], value: data['value'][1]},
                             {name: data['name'][2], value: data['value'][2]},
diff --git "a/nCov_basemap_visualization/2019-nCoV\347\226\253\346\203\205\345\217\230\345\214\226\346\227\266\351\227\264\345\233\276.png" "b/nCov_basemap_visualization/2019-nCoV\347\226\253\346\203\205\345\217\230\345\214\226\346\227\266\351\227\264\345\233\276.png"
index 680fd9e..0bc9342 100644
Binary files "a/nCov_basemap_visualization/2019-nCoV\347\226\253\346\203\205\345\217\230\345\214\226\346\227\266\351\227\264\345\233\276.png" and "b/nCov_basemap_visualization/2019-nCoV\347\226\253\346\203\205\345\217\230\345\214\226\346\227\266\351\227\264\345\233\276.png" differ
diff --git a/nCov_basemap_visualization/nCoV_daily_change.py b/nCov_basemap_visualization/nCoV_daily_change.py
index 0dca6f6..1c24815 100644
--- a/nCov_basemap_visualization/nCoV_daily_change.py
+++ b/nCov_basemap_visualization/nCoV_daily_change.py
@@ -33,7 +33,7 @@ def daily_change():
     ax1.set_xlabel("2020年1-2月", fontsize=16)
     ax1.set_xticklabels(date_list, rotation=30)
     ax1.set_ylabel(r"确诊及疑似人数", fontsize=16)
-    ax1.set_ylim(0, 50000)
+    ax1.set_ylim(0, 80000)
     # 显示网格线和显示图例
     plt.grid(which='major', axis='both', color='grey', linestyle='--', alpha=0.2)
     plt.legend(loc='upper left', bbox_to_anchor=(0.3,1))
@@ -44,7 +44,7 @@ def daily_change():
     ax2.plot(date_list, everyday_heal, lw=1, ls='--', marker='.', color='green', label='治愈')
     # 设置标题刻度
     ax2.set_ylabel(r"死亡及治愈人数", fontsize=16)
-    ax2.set_ylim(0, 400)
+    ax2.set_ylim(0, 8000)
     # 显示网格线和显示图例
     plt.grid(which='major', axis='both', color='grey', linestyle='--', alpha=0.2)
     plt.legend(loc='upper center')