diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index 6e5c7ba7a..a34c3f21e 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.22.1",
+    "version": "2.22.2",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index d0e5eddff..eded0742b 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.14.21",
+    "version": "3.14.22",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 8dff7f127..96cbfacbf 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.38.26",
+  "version": "4.38.27",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",
diff --git a/packages/utils/lib/common.ts b/packages/utils/lib/common.ts
index 848a0d090..3549e2223 100644
--- a/packages/utils/lib/common.ts
+++ b/packages/utils/lib/common.ts
@@ -173,7 +173,7 @@ interface MatchRule {
 
 const SubtaskMatcher: MatchRule[] = [
     {
-        regex: /^([^\d]*(?:\d+[a-zA-Z]+)*)(\d+).(in|txt)$/,
+        regex: /^([^\d]*(?:\d+[a-zA-Z]+)*)(\d+)\.(in|txt)$/,
         output: [
             (a) => `${a[1] + a[2]}.out`,
             (a) => `${a[1] + a[2]}.ans`,
@@ -195,10 +195,10 @@ const SubtaskMatcher: MatchRule[] = [
         preferredScorerType: 'sum',
     },
     {
-        regex: /^([^\d]*)([0-9]+)([-_])([0-9]+).in$/,
+        regex: /^([^\d]*)([0-9]+)([-_])([0-9]+)\.in$/,
         output: [
-            (a) => `${a[1] + a[2]}${a[3]}${a[4]}.out`,
-            (a) => `${a[1] + a[2]}${a[3]}${a[4]}.ans`,
+            (a) => `${a[1]}${a[2]}${a[3]}${a[4]}.out`,
+            (a) => `${a[1]}${a[2]}${a[3]}${a[4]}.ans`,
         ],
         id: (a) => +a[4],
         subtask: (a) => +a[2],