diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5ff7b32d1..c4bf51a72 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.8.3"
+  ".": "2.8.4"
 }
diff --git a/VERSION b/VERSION
index 9f8d8a916..2701a226a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.8.3
+2.8.4
diff --git a/docker-compose.yml b/docker-compose.yml
index 146e4980b..a207b8e49 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: "3"
 services:
   file-code-box:
-    image: lanol/filecodebox:2.8.3 # x-release-please-version
+    image: lanol/filecodebox:2.8.4 # x-release-please-version
     volumes:
       - fcb-data:/app/data:rw
       # NAS 已有文件：把共享目录挂到 /app/data/local，即可在后台「本地分享」里生成提取码，无需再上传
diff --git a/docs/changelog.md b/docs/changelog.md
index 05778fcb3..71e3b4ee2 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [2.8.4](https://github.com/vastsa/FileCodeBox/compare/v2.8.3...v2.8.4) (2026-10-25)
+
+
+### Performance Improvements
+
+* **db:** tune SQLite connection pragmas for small VPS ([2073f9b](https://github.com/vastsa/FileCodeBox/commit/2073f9ba4b6d17e2a9c81832c7d77468e9a15814))
+* **db:** tune SQLite connection pragmas for small VPS ([ec714dc](https://github.com/vastsa/FileCodeBox/commit/ec714dcd6fec2dc2097d05a250ea3962d01d66aa))
+* **rate-limit:** bound tracked IPs and use monotonic clock ([496a713](https://github.com/vastsa/FileCodeBox/commit/496a7139bdb2cdac7f516986b613715a693fff13))
+* **startup:** drop duplicate Tortoise init, keep ORM exception handlers ([4f141ee](https://github.com/vastsa/FileCodeBox/commit/4f141eeb4940311ad6dcfe2bc11650fa505f825b))
+* **web:** cache rendered index.html and add theme asset cache headers ([5b5d70c](https://github.com/vastsa/FileCodeBox/commit/5b5d70c3b7eb3b8efb3d77d731c860e88d1e7a92))
+
 ## [2.8.3](https://github.com/vastsa/FileCodeBox/compare/v2.8.2...v2.8.3) (2026-10-10)
 
 
diff --git a/docs/en/changelog.md b/docs/en/changelog.md
index 0d854ad26..d529a6905 100644
--- a/docs/en/changelog.md
+++ b/docs/en/changelog.md
@@ -1,6 +1,6 @@
 ## [Unreleased]
 
-<!-- Current release: 2.8.3 x-release-please-version -->
+<!-- Current release: 2.8.4 x-release-please-version -->
 
 ### Added
 
diff --git a/docs/en/index.md b/docs/en/index.md
index c175491ee..9d5be1f03 100644
--- a/docs/en/index.md
+++ b/docs/en/index.md
@@ -42,7 +42,7 @@ docker run -d --restart unless-stopped \
   --log-opt max-size=10m \
   --log-opt max-file=3 \
   --name filecodebox \
-  lanol/filecodebox:2.8.3 # x-release-please-version
+  lanol/filecodebox:2.8.4 # x-release-please-version
 ```
 
 Open `http://localhost:12345` and complete the first-run setup.
diff --git a/docs/index.md b/docs/index.md
index f8fd12090..26ab32c86 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -42,7 +42,7 @@ docker run -d --restart unless-stopped \
   --log-opt max-size=10m \
   --log-opt max-file=3 \
   --name filecodebox \
-  lanol/filecodebox:2.8.3 # x-release-please-version
+  lanol/filecodebox:2.8.4 # x-release-please-version
 ```
 
 打开 `http://localhost:12345`，按引导完成首次初始化。
diff --git a/readme.md b/readme.md
index 5857536da..c36624f89 100644
--- a/readme.md
+++ b/readme.md
@@ -32,7 +32,7 @@ docker run -d --restart unless-stopped \
   --log-opt max-size=10m \
   --log-opt max-file=3 \
   --name filecodebox \
-  lanol/filecodebox:2.8.3 # x-release-please-version
+  lanol/filecodebox:2.8.4 # x-release-please-version
 ```
 
 访问 `http://localhost:12345`，完成首次初始化。生产环境建议固定版本号；`latest` 指向最新正式版。
diff --git a/readme_en.md b/readme_en.md
index bccfef24c..498db3924 100644
--- a/readme_en.md
+++ b/readme_en.md
@@ -32,7 +32,7 @@ docker run -d --restart unless-stopped \
   --log-opt max-size=10m \
   --log-opt max-file=3 \
   --name filecodebox \
-  lanol/filecodebox:2.8.3 # x-release-please-version
+  lanol/filecodebox:2.8.4 # x-release-please-version
 ```
 
 Open `http://localhost:12345` and complete first-run setup. Pin a version in production; `latest` tracks the newest stable release.