diff --git a/docs/client_doc/docs/docsets/OpenIMSDKiOS.docset/Contents/Resources/Documents/Classes.html b/docs/client_doc/docs/docsets/OpenIMSDKiOS.docset/Contents/Resources/Documents/Classes.html
index 1fea8c7c..8a3c81d8 100644
--- a/docs/client_doc/docs/docsets/OpenIMSDKiOS.docset/Contents/Resources/Documents/Classes.html
+++ b/docs/client_doc/docs/docsets/OpenIMSDKiOS.docset/Contents/Resources/Documents/Classes.html
@@ -40,19 +40,19 @@
             <a href="Classes.html">Classes</a>
             <ul class="nav-group-tasks">
               <li class="nav-group-task">
-                <a href="Classes/AtElem.html">AtElem</a>
+                
               </li>
               <li class="nav-group-task">
-                <a href="Classes/BaseModal.html">BaseModal</a>
+                
               </li>
               <li class="nav-group-task">
-                <a href="Classes/CallbackProxy.html">CallbackProxy</a>
+                
               </li>
               <li class="nav-group-task">
-                <a href="Classes/ConversationInfo.html">ConversationInfo</a>
+                
               </li>
               <li class="nav-group-task">
-                <a href="Classes/CustomElem.html">CustomElem</a>
+                
               </li>
               <li class="nav-group-task">
                 <a href="Classes/FileElem.html">FileElem</a>
diff --git a/scripts/githooks/pre-commit.sh b/scripts/githooks/pre-commit.sh
index b64dbb59..68d449b0 100644
--- a/scripts/githooks/pre-commit.sh
+++ b/scripts/githooks/pre-commit.sh
@@ -1,5 +1,5 @@
-chmod +x scripts/githooks/pre-commit.sh
-chmod +x scripts/githooks/pre-commit.sh
+
+
 #!/usr/bin/env bash
 chmod +x scripts/githooks/pre-commit.sh
 #!/usr/bin/env bash
@@ -41,8 +41,8 @@ RED="\e[31m"
 ENDCOLOR="\e[0m"
 
 printMessage() {
-   chmod +x scripts/githooks/pre-commit.sh
-   chmod +x scripts/githooks/pre-commit.sh
+
+
    printf "${YELLOW}openim : $1${ENDCOLOR}\n"
 }
 
@@ -60,7 +60,7 @@ printMessage "Running local openim pre-commit hook."
 # https://gist.github.com/cubxxw/126b72104ac0b0ca484c9db09c3e5694#file-githook-md
 # TODO! GIT_FILE_SIZE_LIMIT=50000000 git commit -m "test: this commit is allowed file sizes up to 50MB"
 # Maximum file size limit in bytes
-limit=${GIT_FILE_SIZE_LIMIT:-50000000} # Default 50MB
+limit=${GIT_FILE_SIZE_LIMIT:-2000000} # Default 2MB
 limitInMB=$(( $limit / 1000000 ))
 
 function file_too_large(){
@@ -70,7 +70,7 @@ function file_too_large(){
 	filesize=$(( $1 \/ 2**20 ))\ncat <<HEREDOC
 
 	File $filename is $filesize MB, which is larger than github's maximum
-        file size (2 MB). We will not be able to push this file to GitHub.
+        file size (20 MB). We will not be able to push this file to GitHub.
         The maximum file size allowed is 2MB.
 	Commit aborted
 
@@ -100,7 +100,7 @@ done
 
 if $shouldFail
 then
-    printMessage "If you really need to commit this file, you can override the size limit by setting the GIT_FILE_SIZE_LIMIT environment variable, e.g. GIT_FILE_SIZE_LIMIT=42000000 for 42MB. Or, commit with the --no-verify switch to skip the check entirely."
+    printMessage "If you really need to commit this file, you can override the size limit by setting the GIT_FILE_SIZE_LIMIT environment variable, e.g. GIT_FILE_SIZE_LIMIT=20000000 for 20MB. Or, commit with the --no-verify switch to skip the check entirely."
 	  printError "Commit aborted"
     exit 1;
 fi