diff --git a/sources/docs_imgs/objective_v2.png b/sources/docs_imgs/objective_v2.png
deleted file mode 100644
index d0e70d7..0000000
Binary files a/sources/docs_imgs/objective_v2.png and /dev/null differ
diff --git a/sources/docs_imgs/objective_v3.png b/sources/docs_imgs/objective_v3.png
deleted file mode 100644
index d0e70d7..0000000
Binary files a/sources/docs_imgs/objective_v3.png and /dev/null differ
diff --git a/sources/imgs/chatchat_icon_blue_square_v2.png b/sources/imgs/chatchat_icon_blue_square_v2.png
deleted file mode 100644
index 5de8ee8..0000000
Binary files a/sources/imgs/chatchat_icon_blue_square_v2.png and /dev/null differ
diff --git a/sources/imgs/langchain+chatglm.png b/sources/imgs/langchain+chatglm.png
deleted file mode 100644
index 3979555..0000000
Binary files a/sources/imgs/langchain+chatglm.png and /dev/null differ
diff --git a/sources/imgs/langchain+chatglm2.png b/sources/imgs/langchain+chatglm2.png
deleted file mode 100644
index d98b810..0000000
Binary files a/sources/imgs/langchain+chatglm2.png and /dev/null differ
diff --git a/sources/imgs/logo-long-chatchat-trans-v2.png b/sources/imgs/logo-long-chatchat-trans-v2.png
deleted file mode 100644
index 7a689e8..0000000
Binary files a/sources/imgs/logo-long-chatchat-trans-v2.png and /dev/null differ
diff --git a/sources/imgs/qr_code_50.jpg b/sources/imgs/qr_code_50.jpg
deleted file mode 100644
index c0ae20f..0000000
Binary files a/sources/imgs/qr_code_50.jpg and /dev/null differ
diff --git a/sources/imgs/qr_code_51.jpg b/sources/imgs/qr_code_51.jpg
deleted file mode 100644
index f099332..0000000
Binary files a/sources/imgs/qr_code_51.jpg and /dev/null differ
diff --git a/sources/imgs/qr_code_52.jpg b/sources/imgs/qr_code_52.jpg
deleted file mode 100644
index 18793d5..0000000
Binary files a/sources/imgs/qr_code_52.jpg and /dev/null differ
diff --git a/sources/imgs/qr_code_53.jpg b/sources/imgs/qr_code_53.jpg
deleted file mode 100644
index 3174ccc..0000000
Binary files a/sources/imgs/qr_code_53.jpg and /dev/null differ
diff --git a/sources/imgs/qr_code_54.jpg b/sources/imgs/qr_code_54.jpg
deleted file mode 100644
index 1245a16..0000000
Binary files a/sources/imgs/qr_code_54.jpg and /dev/null differ
diff --git a/sources/imgs/webui_020_0.png b/sources/imgs/webui_020_0.png
deleted file mode 100644
index bd07527..0000000
Binary files a/sources/imgs/webui_020_0.png and /dev/null differ
diff --git a/sources/imgs/webui_020_1.png b/sources/imgs/webui_020_1.png
deleted file mode 100644
index 1818c5d..0000000
Binary files a/sources/imgs/webui_020_1.png and /dev/null differ
diff --git a/sources/imgs/webui_0813_0.png b/sources/imgs/webui_0813_0.png
deleted file mode 100644
index 5202234..0000000
Binary files a/sources/imgs/webui_0813_0.png and /dev/null differ
diff --git a/sources/imgs/webui_0813_1.png b/sources/imgs/webui_0813_1.png
deleted file mode 100644
index c064727..0000000
Binary files a/sources/imgs/webui_0813_1.png and /dev/null differ