diff --git a/.github/workflows/deploy-with-docker.yml b/.github/workflows/deploy-with-docker.yml
index 256ebc3ee8..1f75f77985 100644
--- a/.github/workflows/deploy-with-docker.yml
+++ b/.github/workflows/deploy-with-docker.yml
@@ -47,4 +47,3 @@ jobs:
         run: |
           docker tag dashboard:ci apisixacr.azurecr.cn/dashboard:${{ github.sha }}
           docker push apisixacr.azurecr.cn/dashboard:${{ github.sha }}
-
diff --git a/api/build-tools/schema-sync.lua b/api/build-tools/schema-sync.lua
index c7f973cc28..aa65c2ba6c 100644
--- a/api/build-tools/schema-sync.lua
+++ b/api/build-tools/schema-sync.lua
@@ -29,6 +29,7 @@ local fake_module_list = {
     'pb',
     'prometheus',
     'protoc',
+    'skywalking.tracer',
 
     'resty.cookie',
     'resty.core.regex',
@@ -61,7 +62,8 @@ local fake_module_list = {
     'apisix.plugins.skywalking.tracer',
     'apisix.plugins.zipkin.codec',
     'apisix.plugins.zipkin.random_sampler',
-    'apisix.plugins.zipkin.reporter'
+    'apisix.plugins.zipkin.reporter',
+    'apisix.timers'
 }
 for _, name in ipairs(fake_module_list) do
     package.loaded[name] = {}
@@ -77,6 +79,7 @@ ngx.re = {}
 ngx.timer = {}
 ngx.location = {}
 ngx.socket = {}
+ngx.thread = {}
 ngx.re.gmatch = empty_function
 ngx.shared = {
     ["plugin-api-breaker"] = {}
diff --git a/api/build-tools/schema-sync.sh b/api/build-tools/schema-sync.sh
index 7de361ccae..a9a856da88 100755
--- a/api/build-tools/schema-sync.sh
+++ b/api/build-tools/schema-sync.sh
@@ -20,19 +20,29 @@ set -ex
 
 pwd=`pwd`
 
-version="master"
-if [[ -n $1 ]]; then
-version=$1
+if [[ -n $1 && -d "$1" ]]; then
+  path=$1
+  if [[ -d "${path}/apisix" ]]; then
+    cp -R ${path}/apisix/ ./api/build-tools/apisix/
+  else
+    cp -R ${path}/ ./api/build-tools/apisix/
+  fi
+else
+  version="master"
+  if [[ -n $1 ]]; then
+  version=$1
+  fi
+  wget -O $version.zip https://github.com/apache/apisix/archive/$version.zip
+
+  unzip $version.zip
+  mkdir -p ./api/build-tools/apisix/
+  cp -R ./apisix-$version/apisix/ ./api/build-tools/
+  rm -rf ./apisix-$version
 fi
 
-rm -rf ./api/build-tools/apisix/
-wget -O $version.zip https://github.com/apache/apisix/archive/$version.zip
+cd ./api/build-tools/ && lua schema-sync.lua > ${pwd}/api/conf/schema.json && cd ../../
 
-unzip $version.zip
-mkdir -p ./api/build-tools/apisix/
-mv ./apisix-$version/apisix/* ./api/build-tools/apisix/
-rm -rf ./apisix-$version
-cd ./api/build-tools/ && lua schema-sync.lua > ${pwd}/api/conf/schema.json
+rm -rf ./api/build-tools/apisix/
 
 echo "sync success:"
 echo "${pwd}/api/conf/schema.json"
diff --git a/docs/develop.md b/docs/develop.md
index 1104cc5ad7..7df96e326a 100644
--- a/docs/develop.md
+++ b/docs/develop.md
@@ -87,7 +87,11 @@ $ make api-stop
 
 ### Sync jsonschema
 
-To sync jsonschema from Apache APISIX, `Lua` 5.1+ and `zip` need to be preinstalled, then execute this command: `api/build-tools/schema-sync.sh $version`.
+To sync jsonschema from Apache APISIX, `Lua` 5.1+ and `zip` need to be preinstalled, then execute this command: 
+
+```sh
+$ api/build-tools/schema-sync.sh $version
+```
 
 NOTE: `$version` should be `master` or Apache APISIX's version.
 
@@ -100,3 +104,9 @@ $ api/build-tools/schema-sync.sh master
 # Using Apache APISIX's version
 $ api/build-tools/schema-sync.sh 2.0
 ```
+
+If you have custom plugin, please make sure your custom plugin is placed in the APISIX directory, and change the parameters of the execution script to the APISIX directory path, example:
+
+```sh
+$ api/build-tools/schema-sync.sh /usr/local/apisix
+```
diff --git a/docs/develop.zh-CN.md b/docs/develop.zh-CN.md
index 12d81f8a86..c1d10c6b5b 100644
--- a/docs/develop.zh-CN.md
+++ b/docs/develop.zh-CN.md
@@ -89,7 +89,11 @@ $ make api-stop
 
 ### 同步 jsonschema
 
-从 Apache APISIX 同步 jsonschema ，需要预安装 `Lua` 5.1+ 和 `zip` ，并执行命令 `api/build-tools/schema-sync.sh $version`。
+从 Apache APISIX 同步 jsonschema ，需要预安装 `Lua` 5.1+ 和 `zip` ，并执行命令 
+
+```sh
+$ api/build-tools/schema-sync.sh $version
+```
 
 注意：`$version` 为 `master` 或者 Apache APISIX 的版本号。 
 
@@ -103,3 +107,8 @@ $ api/build-tools/schema-sync.sh master
 $ api/build-tools/schema-sync.sh 2.0
 ```
 
+如果您有自定义插件，请确保您的自定义插件放在 APISIX 目录中，并将执行脚本的参数改为 APISIX 目录路径, 如：
+
+```sh
+$ api/build-tools/schema-sync.sh /usr/local/apisix
+```