diff --git a/docs/images/agent.png b/docs/images/agent.png
deleted file mode 100644
index ffd33379a..000000000
Binary files a/docs/images/agent.png and /dev/null differ
diff --git a/docs/images/chat_config.png b/docs/images/chat_config.png
deleted file mode 100644
index 760cf0168..000000000
Binary files a/docs/images/chat_config.png and /dev/null differ
diff --git a/docs/images/database.png b/docs/images/database.png
deleted file mode 100644
index 49313675b..000000000
Binary files a/docs/images/database.png and /dev/null differ
diff --git a/docs/images/datasource_base_info.png b/docs/images/datasource_base_info.png
deleted file mode 100644
index 7b8797e41..000000000
Binary files a/docs/images/datasource_base_info.png and /dev/null differ
diff --git a/docs/images/datasource_create.png b/docs/images/datasource_create.png
deleted file mode 100644
index c99bba59d..000000000
Binary files a/docs/images/datasource_create.png and /dev/null differ
diff --git a/docs/images/datasource_extend_info.png b/docs/images/datasource_extend_info.png
deleted file mode 100644
index dfe83b293..000000000
Binary files a/docs/images/datasource_extend_info.png and /dev/null differ
diff --git a/docs/images/datasource_list.png b/docs/images/datasource_list.png
deleted file mode 100644
index 10df4f394..000000000
Binary files a/docs/images/datasource_list.png and /dev/null differ
diff --git a/docs/images/datasource_sql.png b/docs/images/datasource_sql.png
deleted file mode 100644
index aea8be911..000000000
Binary files a/docs/images/datasource_sql.png and /dev/null differ
diff --git a/docs/images/detail_default.png b/docs/images/detail_default.png
deleted file mode 100644
index 30e337194..000000000
Binary files a/docs/images/detail_default.png and /dev/null differ
diff --git a/docs/images/detail_entity.png b/docs/images/detail_entity.png
deleted file mode 100644
index 915914526..000000000
Binary files a/docs/images/detail_entity.png and /dev/null differ
diff --git a/docs/images/dimension_create.png b/docs/images/dimension_create.png
deleted file mode 100644
index 198273365..000000000
Binary files a/docs/images/dimension_create.png and /dev/null differ
diff --git a/docs/images/dimension_list.png b/docs/images/dimension_list.png
deleted file mode 100644
index 69b42e4d7..000000000
Binary files a/docs/images/dimension_list.png and /dev/null differ
diff --git a/docs/images/domain.png b/docs/images/domain.png
deleted file mode 100644
index cfc4cc0cd..000000000
Binary files a/docs/images/domain.png and /dev/null differ
diff --git a/docs/images/metric_base_info.png b/docs/images/metric_base_info.png
deleted file mode 100644
index 33968b331..000000000
Binary files a/docs/images/metric_base_info.png and /dev/null differ
diff --git a/docs/images/metric_default.png b/docs/images/metric_default.png
deleted file mode 100644
index f43959026..000000000
Binary files a/docs/images/metric_default.png and /dev/null differ
diff --git a/docs/images/metric_list.png b/docs/images/metric_list.png
deleted file mode 100644
index b87a5de8b..000000000
Binary files a/docs/images/metric_list.png and /dev/null differ
diff --git a/docs/images/metric_sql_info.png b/docs/images/metric_sql_info.png
deleted file mode 100644
index 350ff8df0..000000000
Binary files a/docs/images/metric_sql_info.png and /dev/null differ
diff --git a/docs/images/model.png b/docs/images/model.png
deleted file mode 100644
index cf08a4aa5..000000000
Binary files a/docs/images/model.png and /dev/null differ
diff --git a/docs/images/plugin.png b/docs/images/plugin.png
deleted file mode 100644
index 3fd0e0b84..000000000
Binary files a/docs/images/plugin.png and /dev/null differ
diff --git a/docs/images/visibility_dim_value.png b/docs/images/visibility_dim_value.png
deleted file mode 100644
index 34a18792b..000000000
Binary files a/docs/images/visibility_dim_value.png and /dev/null differ
diff --git a/docs/images/visibility_dim_value_show.png b/docs/images/visibility_dim_value_show.png
deleted file mode 100644
index 84d69a56a..000000000
Binary files a/docs/images/visibility_dim_value_show.png and /dev/null differ
diff --git a/docs/images/visibility_item.png b/docs/images/visibility_item.png
deleted file mode 100644
index 7e9d8acf5..000000000
Binary files a/docs/images/visibility_item.png and /dev/null differ