diff --git a/document/public/imgs/use-cases/external-integration/wecom/1.png b/document/public/imgs/use-cases/external-integration/wecom/1.png
index feb7668c29..9e328bb2ef 100644
Binary files a/document/public/imgs/use-cases/external-integration/wecom/1.png and b/document/public/imgs/use-cases/external-integration/wecom/1.png differ
diff --git a/document/public/imgs/use-cases/external-integration/wecom/2.png b/document/public/imgs/use-cases/external-integration/wecom/2.png
index 0a956f2adb..ca3dc63426 100644
Binary files a/document/public/imgs/use-cases/external-integration/wecom/2.png and b/document/public/imgs/use-cases/external-integration/wecom/2.png differ
diff --git a/document/public/imgs/use-cases/external-integration/wecom/3.png b/document/public/imgs/use-cases/external-integration/wecom/3.png
index a67f2f1ecd..fd27476c7f 100644
Binary files a/document/public/imgs/use-cases/external-integration/wecom/3.png and b/document/public/imgs/use-cases/external-integration/wecom/3.png differ
diff --git a/document/public/imgs/use-cases/external-integration/wecom/4.png b/document/public/imgs/use-cases/external-integration/wecom/4.png
index 8cdb9635fc..9c0326ab54 100644
Binary files a/document/public/imgs/use-cases/external-integration/wecom/4.png and b/document/public/imgs/use-cases/external-integration/wecom/4.png differ
diff --git a/document/public/imgs/use-cases/external-integration/wecom/5.png b/document/public/imgs/use-cases/external-integration/wecom/5.png
index 00def50daa..715e9e12e9 100644
Binary files a/document/public/imgs/use-cases/external-integration/wecom/5.png and b/document/public/imgs/use-cases/external-integration/wecom/5.png differ
diff --git a/document/public/imgs/use-cases/external-integration/wecom/6.png b/document/public/imgs/use-cases/external-integration/wecom/6.png
index fa5f909bfe..8bf2576b24 100644
Binary files a/document/public/imgs/use-cases/external-integration/wecom/6.png and b/document/public/imgs/use-cases/external-integration/wecom/6.png differ
diff --git a/document/public/imgs/use-cases/external-integration/wecom/7.png b/document/public/imgs/use-cases/external-integration/wecom/7.png
index 249144a06b..0682703212 100644
Binary files a/document/public/imgs/use-cases/external-integration/wecom/7.png and b/document/public/imgs/use-cases/external-integration/wecom/7.png differ