diff --git a/install/v3/install-ldap.md b/install/v3/install-ldap.md
index 8566124..e74e3ba 100644
--- a/install/v3/install-ldap.md
+++ b/install/v3/install-ldap.md
@@ -156,7 +156,6 @@ sudo docker run -d \
   # 也可以使用镜像 swr.cn-east-2.myhuaweicloud.com/kuboard/kuboard:v3 ，可以更快地完成镜像下载。
   # 请不要使用 127.0.0.1 或者 localhost 作为内网 IP \
   # Kuboard 不需要和 K8S 在同一个网段，Kuboard Agent 甚至可以通过代理访问 Kuboard Server \
-  # LDAP_USER_MACHER_USER_ATTRIBUTE 的正确单词拼写应该为 LDAP_USER_MATCHER_USER_ATTRIBUTE，但是代码里的拼写错了，为了保持兼容性，智能暂时忍下了这个拼写错误。
 ```
 
 ::: danger 
diff --git a/support/change-log/ldap/118381625800334_.pic_hd.jpg b/support/change-log/ldap/118381625800334_.pic_hd.jpg
deleted file mode 100644
index 984a450..0000000
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diff --git a/support/change-log/ldap/118431625800509_.pic_hd.jpg b/support/change-log/ldap/118431625800509_.pic_hd.jpg
deleted file mode 100644
index cdff5d6..0000000
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diff --git a/support/change-log/pv.txt b/support/change-log/pv.txt
deleted file mode 100644
index a306bf8..0000000
--- a/support/change-log/pv.txt
+++ /dev/null
@@ -1,82 +0,0 @@
-apiVersion: v1
-kind: PersistentVolume
-metadata:
-  annotations:
-    pv.kubernetes.io/bound-by-controller: "yes"
-  finalizers:
-  - kubernetes.io/pv-protection
-  managedFields:
-  - apiVersion: v1
-    fieldsType: FieldsV1
-    fieldsV1:
-      f:spec:
-        f:accessModes: {}
-        f:capacity:
-          .: {}
-          f:storage: {}
-        f:csi:
-          .: {}
-          f:driver: {}
-          f:fsType: {}
-          f:volumeAttributes:
-            .: {}
-            f:diskSelector: {}
-            f:nodeSelector: {}
-            f:numberOfReplicas: {}
-            f:staleReplicaTimeout: {}
-          f:volumeHandle: {}
-        f:persistentVolumeReclaimPolicy: {}
-        f:storageClassName: {}
-        f:volumeMode: {}
-    manager: longhorn-manager
-    operation: Update
-    time: "2021-06-30T03:30:33Z"
-  - apiVersion: v1
-    fieldsType: FieldsV1
-    fieldsV1:
-      f:metadata:
-        f:annotations:
-          .: {}
-          f:pv.kubernetes.io/bound-by-controller: {}
-      f:spec:
-        f:claimRef:
-          .: {}
-          f:apiVersion: {}
-          f:kind: {}
-          f:name: {}
-          f:namespace: {}
-          f:resourceVersion: {}
-          f:uid: {}
-      f:status:
-        f:phase: {}
-    manager: kube-controller-manager
-    operation: Update
-    time: "2021-06-30T03:30:34Z"
-  name: test-many
-  resourceVersion: "81091503"
-  selfLink: /api/v1/persistentvolumes/test-many
-  uid: 8536b1c4-1d72-40c8-9300-62ae9926071a
-spec:
-  accessModes:
-  - ReadWriteMany
-  capacity:
-    storage: 2Gi
-  claimRef:
-    apiVersion: v1
-    kind: PersistentVolumeClaim
-    name: test-many
-    namespace: longhorn-system
-    resourceVersion: "81091501"
-    uid: a13eecac-3337-4a07-b94a-d9150c488d40
-  csi:
-    driver: driver.longhorn.io
-    fsType: xfs
-    volumeAttributes:
-      diskSelector: ""
-      nodeSelector: ""
-      numberOfReplicas: "1"
-      staleReplicaTimeout: "20"
-    volumeHandle: test-many
-  persistentVolumeReclaimPolicy: Retain
-  storageClassName: longhorn-static
-  volumeMode: Filesystem
\ No newline at end of file
diff --git a/support/change-log/下载日志功能的权限问题.jpg b/support/change-log/下载日志功能的权限问题.jpg
deleted file mode 100644
index 0f6ddb1..0000000
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