diff --git a/README.md b/README.md
index a29f974f..2d6b9689 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,7 @@ StackEdit中文版
 - 支持图片直接存储到当前文档空间（2022-10-29）
 - 支持MD文档之间链接跳转（2022-11-20）
 - 支持预览区域选择主题样式（2022-12-04）
+- Gitlab的支持优化（2023-02-23）
 
 ## 国外开源版本弊端：
 - 作者已经不维护了
@@ -151,6 +152,9 @@ docker run -itd --name stackedit \
 
 - Gitea可选择性配置环境变量（未配置则在关联时前端指定，有配置则仅允许配置的应用信息）：GITEA_CLIENT_ID、GITEA_CLIENT_SECRET、GITEA_URL，**[如何创建Gitea应用](./docs/部署之Gitea应用创建.md)**
 
+- Gitlab可选择性配置环境变量（未配置则在关联时前端指定，有配置则仅允许配置的应用信息）：GITLAB_CLIENT_ID、GITEA_URL **如何创建Gitlab应用(待补充文档)**
+
+（特别说明：自建的Gitea、Gitlab要能接入stackedit必须支持跨域）
 
 ## 编译与运行
 > 编译运行的nodejs版本选择11.15.0版本
diff --git a/chart/values.yaml b/chart/values.yaml
index ce054d9f..414aaa21 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -18,6 +18,8 @@ awsSecretAccessKey: ""
 giteaClientId: ""
 giteaClientSecret: ""
 giteaUrl: ""
+gitlabClientId: ""
+gitlabUrl: ""
 
 replicaCount: 1
 
diff --git a/config/dev.env.js b/config/dev.env.js
index 363113d9..9df17460 100644
--- a/config/dev.env.js
+++ b/config/dev.env.js
@@ -12,4 +12,6 @@ module.exports = merge(prodEnv, {
   // GITEA_CLIENT_ID: '"fe30f8f9-b1e8-4531-8f72-c1a5d3912805"',
   // GITEA_CLIENT_SECRET: '"lus7oMnb3H6M1hsChndphArE20Txr7erwJLf7SDBQWTw"',
   // GITEA_URL: '"https://gitea.test.com"',
+  // GITLAB_CLIENT_ID: '"33e01128c27fe75df3e5b35218d710c7df280e6ee9c90b6ca27ac9d9fdfb92f7"',
+  // GITLAB_URL: '"http://gitlab.qicoder.com"',
 })
\ No newline at end of file
diff --git a/package.json b/package.json
index 8eed8149..c2a2b4cb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "stackedit",
-  "version": "5.15.17",
+  "version": "5.15.18",
   "description": "免费, 开源, 功能齐全的 Markdown 编辑器",
   "author": "Benoit Schweblin, 豆萁",
   "license": "Apache-2.0",
diff --git a/server/conf.js b/server/conf.js
index 2c02071a..e0492325 100644
--- a/server/conf.js
+++ b/server/conf.js
@@ -14,6 +14,8 @@ const wordpressClientId = process.env.WORDPRESS_CLIENT_ID;
 const giteaClientId = process.env.GITEA_CLIENT_ID;
 const giteaClientSecret = process.env.GITEA_CLIENT_SECRET;
 const giteaUrl = process.env.GITEA_URL;
+const gitlabClientId = process.env.GITLAB_CLIENT_ID;
+const gitlabUrl = process.env.GITLAB_URL;
 
 exports.values = {
   pandocPath,
@@ -43,4 +45,6 @@ exports.publicValues = {
   allowSponsorship: !!paypalReceiverEmail,
   giteaClientId,
   giteaUrl,
+  gitlabClientId,
+  gitlabUrl,
 };
diff --git a/src/components/modals/providers/GiteaAccountModal.vue b/src/components/modals/providers/GiteaAccountModal.vue
index f22d7b38..1d4e04e7 100644
--- a/src/components/modals/providers/GiteaAccountModal.vue
+++ b/src/components/modals/providers/GiteaAccountModal.vue
@@ -41,6 +41,7 @@
 import modalTemplate from '../common/modalTemplate';
 import constants from '../../../data/constants';
 import store from '../../../store';
+import networkSvc from '../../../services/networkSvc';
 
 export default modalTemplate({
   data: () => ({
@@ -65,6 +66,9 @@ export default modalTemplate({
       return !!confClientId && !!confServerUrl;
     },
   },
+  mounted() {
+    networkSvc.getServerConf();
+  },
   methods: {
     resolve() {
       if (this.useServerConf) {
diff --git a/src/components/modals/providers/GitlabAccountModal.vue b/src/components/modals/providers/GitlabAccountModal.vue
index 29a3839f..abe48dd2 100644
--- a/src/components/modals/providers/GitlabAccountModal.vue
+++ b/src/components/modals/providers/GitlabAccountModal.vue
@@ -5,22 +5,27 @@
         <icon-provider provider-id="gitlab"></icon-provider>
       </div>
       <p>将您的<b>GitLab</b>链接到<b>StackEdit中文版</b>。</p>
-      <form-entry label="GitLab URL" error="serverUrl">
-        <input v-if="config.forceServerUrl" slot="field" class="textfield" type="text" disabled="disabled" v-model="config.forceServerUrl">
-        <input v-else slot="field" class="textfield" type="text" v-model.trim="serverUrl" @keydown.enter="resolve()">
-        <div class="form-entry__info">
-          <b>例如:</b> https://gitlab.example.com/
-        </div>
-      </form-entry>
-      <form-entry label="Application ID" error="applicationId">
-        <input slot="field" class="textfield" type="text" v-model.trim="applicationId" @keydown.enter="resolve()">
-        <div class="form-entry__info">
-          您必须使用重定向url <b>{{redirectUrl}}</b>配置OAuth2应用程序
-        </div>
-        <div class="form-entry__actions">
-          <a href="https://docs.gitlab.com/ee/integration/oauth_provider.html" target="_blank">更多信息</a>
-        </div>
-      </form-entry>
+      <template v-if="!useServerConf">
+        <form-entry label="GitLab URL" error="serverUrl">
+          <input v-if="config.forceServerUrl" slot="field" class="textfield" type="text" disabled="disabled" v-model="config.forceServerUrl">
+          <input v-else slot="field" class="textfield" type="text" v-model.trim="serverUrl" @keydown.enter="resolve()">
+          <div class="form-entry__info">
+            <b>例如:</b> https://gitlab.example.com/
+            <span v-if="httpAppUrl">
+              ，非https的URL，请跳转到 <a :href="httpAppUrl" target="_blank">HTTP链接</a> 添加Gitlab。
+            </span>
+          </div>
+        </form-entry>
+        <form-entry label="Application ID" error="applicationId">
+          <input slot="field" class="textfield" type="text" v-model.trim="applicationId" @keydown.enter="resolve()">
+          <div class="form-entry__info">
+            您必须使用重定向url <b>{{redirectUrl}}</b>配置OAuth2应用程序
+          </div>
+          <div class="form-entry__actions">
+            <a href="https://docs.gitlab.com/ee/integration/oauth_provider.html" target="_blank">更多信息</a>
+          </div>
+        </form-entry>
+      </template>
     </div>
     <div class="modal__button-bar">
       <button class="button" @click="config.reject()">取消</button>
@@ -32,6 +37,8 @@
 <script>
 import modalTemplate from '../common/modalTemplate';
 import constants from '../../../data/constants';
+import store from '../../../store';
+import networkSvc from '../../../services/networkSvc';
 
 export default modalTemplate({
   data: () => ({
@@ -41,8 +48,29 @@ export default modalTemplate({
     serverUrl: 'gitlabServerUrl',
     applicationId: 'gitlabApplicationId',
   },
+  computed: {
+    httpAppUrl() {
+      if (constants.origin.indexOf('https://') === 0 && this.serverUrl.indexOf('http://') === 0) {
+        return `${constants.origin.replace('https://', 'http://')}/app`;
+      }
+      return null;
+    },
+    // 是否使用服务端配置
+    useServerConf() {
+      const confClientId = store.getters['data/serverConf'].gitlabClientId;
+      const confServerUrl = store.getters['data/serverConf'].gitlabUrl;
+      return !!confClientId && !!confServerUrl;
+    },
+  },
+  mounted() {
+    networkSvc.getServerConf();
+  },
   methods: {
     resolve() {
+      if (this.useServerConf) {
+        this.config.resolve({});
+        return;
+      }
       const serverUrl = this.config.forceServerUrl || this.serverUrl;
       if (!serverUrl) {
         this.setError('serverUrl');
@@ -51,7 +79,7 @@ export default modalTemplate({
         this.setError('applicationId');
       }
       if (serverUrl && this.applicationId) {
-        const parsedUrl = serverUrl.match(/^(https:\/\/[^/]+)/);
+        const parsedUrl = serverUrl.match(/^(http[s]?:\/\/[^/]+)/);
         if (!parsedUrl) {
           this.setError('serverUrl');
         } else {
diff --git a/src/services/providers/gitlabWorkspaceProvider.js b/src/services/providers/gitlabWorkspaceProvider.js
index c78df9c6..3672f095 100644
--- a/src/services/providers/gitlabWorkspaceProvider.js
+++ b/src/services/providers/gitlabWorkspaceProvider.js
@@ -173,6 +173,18 @@ export default new Provider({
       },
     };
   },
+  async downloadFile({ token, path }) {
+    const { sha, data } = await gitlabHelper.downloadFile({
+      ...store.getters['workspace/currentWorkspace'],
+      token,
+      path,
+      isImg: true,
+    });
+    return {
+      content: data,
+      sha,
+    };
+  },
   async downloadWorkspaceData({ token, syncData }) {
     if (!syncData) {
       return {};
@@ -200,18 +212,27 @@ export default new Provider({
     file,
     commitMessage,
   }) {
+    const isImg = file.type === 'img';
     const path = store.getters.gitPathsByItemId[file.id];
-    const absolutePath = `${store.getters['workspace/currentWorkspace'].path || ''}${path}`;
-    const sha = gitWorkspaceSvc.shaByPath[path];
+    const absolutePath = !isImg ? `${store.getters['workspace/currentWorkspace'].path || ''}${path}` : file.path;
+    const sha = gitWorkspaceSvc.shaByPath[!isImg ? path : file.path];
     await gitlabHelper.uploadFile({
       ...store.getters['workspace/currentWorkspace'],
       token,
       path: absolutePath,
-      content: Provider.serializeContent(content),
+      content: !isImg ? Provider.serializeContent(content) : file.content,
       sha,
+      isImg,
       commitMessage,
     });
 
+    if (isImg) {
+      const res2 = await this.downloadFile({ token, path: absolutePath });
+      return {
+        sha: res2.sha,
+      };
+    }
+
     // Return new sync data
     return {
       contentSyncData: {
diff --git a/src/services/providers/helpers/gitlabHelper.js b/src/services/providers/helpers/gitlabHelper.js
index 51fca332..23c7903b 100644
--- a/src/services/providers/helpers/gitlabHelper.js
+++ b/src/services/providers/helpers/gitlabHelper.js
@@ -51,11 +51,22 @@ export default {
    * https://docs.gitlab.com/ee/api/oauth2.html
    */
   async startOauth2(serverUrl, applicationId, sub = null, silent = false) {
+    let apiUrl = serverUrl;
+    let clientId = applicationId;
+    // 获取gitea配置的参数
+    await networkSvc.getServerConf();
+    const confClientId = store.getters['data/serverConf'].gitlabClientId;
+    const confServerUrl = store.getters['data/serverConf'].gitlabUrl;
+    // 存在gitea配置则使用后端配置
+    if (confClientId && confServerUrl) {
+      apiUrl = confServerUrl;
+      clientId = confClientId;
+    }
     // Get an OAuth2 code
     const { accessToken } = await networkSvc.startOauth2(
-      `${serverUrl}/oauth/authorize`,
+      `${apiUrl}/oauth/authorize`,
       {
-        client_id: applicationId,
+        client_id: clientId,
         response_type: 'token',
         scope: 'api',
       },
@@ -157,14 +168,20 @@ export default {
     path,
     content,
     sha,
+    isImg,
     commitMessage,
   }) {
+    let uploadContent = content;
+    if (isImg && typeof content !== 'string') {
+      uploadContent = await utils.encodeFiletoBase64(content);
+    }
     return request(token, {
       method: sha ? 'PUT' : 'POST',
       url: `projects/${encodeURIComponent(projectId)}/repository/files/${encodeURIComponent(path)}`,
       body: {
         commit_message: commitMessage || getCommitMessage(sha ? 'updateFileMessage' : 'createFileMessage', path),
-        content,
+        encoding: 'base64',
+        content: isImg ? uploadContent : utils.encodeBase64(content),
         last_commit_id: sha,
         branch,
       },
@@ -200,6 +217,7 @@ export default {
     projectId,
     branch,
     path,
+    isImg,
   }) {
     const res = await request(token, {
       url: `projects/${encodeURIComponent(projectId)}/repository/files/${encodeURIComponent(path)}`,
@@ -207,7 +225,7 @@ export default {
     });
     return {
       sha: res.last_commit_id,
-      data: utils.decodeBase64(res.content),
+      data: !isImg ? utils.decodeBase64(res.content) : res.content,
     };
   },
 };
diff --git a/src/services/utils.js b/src/services/utils.js
index a3e81525..71bfb241 100644
--- a/src/services/utils.js
+++ b/src/services/utils.js
@@ -317,7 +317,7 @@ export default {
     };
   },
   parseGitlabProjectPath(url) {
-    const parsedProject = url && url.match(/^https:\/\/[^/]+\/(.+?)(?:\.git|\/)?$/);
+    const parsedProject = url && url.match(/^http[s]?:\/\/[^/]+\/(.+?)(?:\.git|\/)?$/);
     return parsedProject && parsedProject[1];
   },
   parseGiteaProjectPath(url) {