diff --git a/docs/assets/images/flow-plugin-internal.png b/docs/assets/images/flow-plugin-internal.png index b41d7ba0..e6ddb1ca 100644 Binary files a/docs/assets/images/flow-plugin-internal.png and b/docs/assets/images/flow-plugin-internal.png differ diff --git a/docs/assets/other/apisix-plugin-design.graffle b/docs/assets/other/apisix-plugin-design.graffle index 9bbebea0..dfc8dccb 100644 Binary files a/docs/assets/other/apisix-plugin-design.graffle and b/docs/assets/other/apisix-plugin-design.graffle differ