diff --git a/docs/loading_sequence.uml b/docs/loading_sequence.uml
index 23dd281f..198df333 100644
--- a/docs/loading_sequence.uml
+++ b/docs/loading_sequence.uml
@@ -3,19 +3,19 @@
 actor bob
 participant pyecharts
 participant lml
-participant "jupyter-echarts"
-participant "echarts-china-cities-js"
-participant "echarts-countries-js"
+participant "jupyter-echarts-pypkg"
+participant "echarts-china-cities-pypkg"
+participant "echarts-countries-pypkg"
 
 bob -> pyecharts : > draw world map
 pyecharts -> lml : scan for plugins.
 lml -> pyecharts: 3 packages found
-pyecharts -> "jupyter-echarts" : read registry.json
-"jupyter-echarts" --> pyecharts: here is my extension profile
-pyecharts -> "echarts-china-cities-js" : read registry.json
-"echarts-china-cities-js" --> pyecharts: here is my extension profile
-pyecharts -> "echarts-countries-js" : read registry.json
-"echarts-countries-js" --> pyecharts: here is my extension profile
-"jupyter-echarts" -> pyecharts: here is the world map
+pyecharts -> "jupyter-echarts-pypkg" : read registry.json
+"jupyter-echarts-pypkg" --> pyecharts: here is my extension profile
+pyecharts -> "echarts-china-cities-pypkg" : read registry.json
+"echarts-china-cities-pypkg" --> pyecharts: here is my extension profile
+pyecharts -> "echarts-countries-pypkg" : read registry.json
+"echarts-countries-pypkg" --> pyecharts: here is my extension profile
+"jupyter-echarts-pypkg" -> pyecharts: here is the world map
 pyecharts -> bob: world map
 @enduml
\ No newline at end of file
diff --git a/images/loading_sequence.png b/images/loading_sequence.png
index 7d201954..8c0b203b 100644
Binary files a/images/loading_sequence.png and b/images/loading_sequence.png differ