diff --git a/README.md b/README.md
index 4ab87d360..760b61ea9 100644
--- a/README.md
+++ b/README.md
@@ -111,6 +111,14 @@ Hydro 用户群：1085853538
 <details>
 <summary><h2>更新日志（点击展开）</h2></summary>
 
+## Hydro 4.18.2 / UI 4.56.2
+
+- core: 修复提交答案题压缩包提交 (#917)
+- ui: 优化 domain_user 页面性能
+- core: 优化评测任务调度
+- ui: 下载文件失败时自动重试
+- core: Consumer: 从错误中自动恢复
+
 ## Hydro 4.18.0 / UI 4.56.0
 
 - core&ui: ScoreboardView API
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 64d023a30..262653afa 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "4.18.1",
+    "version": "4.18.2",
     "bin": "bin/hydrooj.js",
     "main": "src/plugin-api",
     "module": "src/plugin-api",
diff --git a/packages/hydrooj/src/model/problem.ts b/packages/hydrooj/src/model/problem.ts
index 818e318c3..f2c3904ee 100644
--- a/packages/hydrooj/src/model/problem.ts
+++ b/packages/hydrooj/src/model/problem.ts
@@ -603,11 +603,12 @@ export class ProblemModel {
         if (options.delSource) await fs.remove(tmpdir);
     }
 
-    static async export(domainId: string) {
+    static async export(domainId: string, pidFilter?:string) {
         console.log('Exporting problems...');
         const tmpdir = path.join(os.tmpdir(), 'hydro', `${Math.random()}.export`);
         await fs.mkdir(tmpdir);
-        const pdocs = await ProblemModel.getMulti(domainId, {}, ProblemModel.PROJECTION_PUBLIC).toArray();
+        const pdocs = await ProblemModel.getMulti(domainId, pidFilter ? { pid: pidFilter } : {}, ProblemModel.PROJECTION_PUBLIC).toArray();
+        if (process.env.HYDRO_CLI) logger.info(`Exporting ${pdocs.length} problems`);
         for (const pdoc of pdocs) {
             if (process.env.HYDRO_CLI) logger.info(`Exporting problem ${pdoc.pid || (`P${pdoc.docId}`)} (${pdoc.title})`);
             const problemPath = path.join(tmpdir, `${pdoc.docId}`);
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index fd8a8f144..f83ea131f 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.56.1",
+  "version": "4.56.2",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "index.ts",
diff --git a/packages/utils/package.json b/packages/utils/package.json
index 825943c16..e08344bb0 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/utils",
-    "version": "1.4.30",
+    "version": "1.4.31",
     "description": "hydrooj utils",
     "main": "lib/utils.ts",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/vjudge/package.json b/packages/vjudge/package.json
index ed15f3659..ee63a2571 100644
--- a/packages/vjudge/package.json
+++ b/packages/vjudge/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/vjudge",
-    "version": "1.9.14",
+    "version": "1.9.15",
     "description": "Submit problems to remote oj",
     "main": "./src/index.ts",
     "repository": "https://github.com/hydro-dev/Hydro.git",