diff --git a/install/install.js b/install/install.js
index cd05118dc..32e23e64c 100644
--- a/install/install.js
+++ b/install/install.js
@@ -66,7 +66,6 @@ const mirrors = {
         official: 'https://repo.mongodb.org/apt/ubuntu',
     },
     minio: {
-        china: 'http://dl.minio.org.cn/server/minio/release/linux-amd64/minio',
         undefined: 'https://s3.undefined.moe/public/minio',
         official: 'https://dl.min.io/server/minio/release/linux-amd64/minio',
     },
@@ -245,7 +244,7 @@ apt-get -qq update && apt-get -q install -y mongodb-org`, { retry: true }],
     },
     {
         init: 'install.minio',
-        skip: () => fs.exist('/root/.hydro/env'),
+        skip: () => __env.SKIP_MINIO || fs.exist('/root/.hydro/env'),
         operations: [
             [`curl -fSL ${getMirror('minio')} -o /usr/bin/minio`, { retry: true }],
             'chmod +x /usr/bin/minio',
diff --git a/packages/fps-importer/handler.ts b/packages/fps-importer/handler.ts
index cfddf1ce6..3278192de 100644
--- a/packages/fps-importer/handler.ts
+++ b/packages/fps-importer/handler.ts
@@ -123,7 +123,7 @@ class FpsProblemImportHandler extends Handler {
                 } catch { }
             }
         }
-        if (!tasks.length) throw new ValidationError('file');
+        if (!tasks.length) throw new ValidationError('file', null, 'No valid fps format file found');
         for (const task of tasks) await this.run(domainId, task);
         this.response.redirect = this.url('problem_main');
     }
diff --git a/packages/fps-importer/package.json b/packages/fps-importer/package.json
index 5adc3f64a..8192714c0 100644
--- a/packages/fps-importer/package.json
+++ b/packages/fps-importer/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/fps-importer",
-    "version": "1.3.2",
+    "version": "1.3.3",
     "description": "Import FPS problems",
     "main": "package.json",
     "repository": "https://github.com/hydro-dev/Hydro.git",
@@ -8,7 +8,7 @@
     "license": "SEE LICENSE IN LICENSE",
     "preferUnplugged": true,
     "dependencies": {
-        "adm-zip": "0.5.9",
+        "adm-zip": "0.5.5",
         "decode-html": "^2.0.0",
         "fs-extra": "^10.0.0",
         "mongodb": "^3.7.3",
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 5163ae2a8..e8c169889 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.2.25",
+    "version": "3.2.26",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
@@ -14,7 +14,7 @@
     "dependencies": {
         "@graphql-tools/schema": "^8.3.1",
         "@hydrooj/utils": "workspace:*",
-        "adm-zip": "0.5.9",
+        "adm-zip": "0.5.5",
         "ansi_up": "^5.1.0",
         "cac": "^6.7.12",
         "cookies": "^0.8.0",
diff --git a/packages/hydrooj/src/service/bus.ts b/packages/hydrooj/src/service/bus.ts
index fbe31290b..7f20779c5 100644
--- a/packages/hydrooj/src/service/bus.ts
+++ b/packages/hydrooj/src/service/bus.ts
@@ -71,7 +71,7 @@ export interface EventMap extends Record<string, any> {
     'handler/after': (thisArg: Handler) => VoidReturn
     'handler/finish/UserRegister': (thisArg: UserRegisterHandler) => VoidReturn
     'handler/finish': (thisArg: Handler) => VoidReturn
-    'handler/error': (thisArg: Handler) => VoidReturn
+    'handler/error': (thisArg: Handler, e: Error) => VoidReturn
     'handler/solution/get': (thisArg: ProblemSolutionHandler) => VoidReturn
 
     'discussion/before-add': (payload: Partial<DiscussionDoc>) => VoidReturn
diff --git a/packages/import-qduoj/package.json b/packages/import-qduoj/package.json
index 6b9891b67..f98f2c140 100644
--- a/packages/import-qduoj/package.json
+++ b/packages/import-qduoj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/import-qduoj",
-    "version": "1.3.1",
+    "version": "1.3.2",
     "description": "Import QDUOJ problem export",
     "main": "package.json",
     "repository": "https://github.com/hydro-dev/Hydro.git",
@@ -8,7 +8,7 @@
     "license": "AGPL-3.0-or-later",
     "preferUnplugged": true,
     "dependencies": {
-        "adm-zip": "0.5.9",
+        "adm-zip": "0.5.5",
         "decode-html": "^2.0.0",
         "fs-extra": "^10.0.0"
     }