diff --git a/.gitea/workflows/dev.yaml b/.gitea/workflows/dev.yaml
index 4329375..d019d8e 100644
--- a/.gitea/workflows/dev.yaml
+++ b/.gitea/workflows/dev.yaml
@@ -1,35 +1,35 @@
-name: Docker Image CI
-on:
-  push:
-    branches:
-      - dev
-
-jobs:
-  build:
-    runs-on: gitea-runner-group-blog
-    container:
-      image: harbor.merlin.xin/release/merlin/action_builder:v0.0.1
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-      - name: docker login
-        env:
-          HARBOR_USERNAME: ${{ secrets.HARBOR_ROBOT }}
-          HARBOR_PASSWORD: ${{ secrets.HARBOR_ROBOT_SECRET }}
-          HARBOR_URL: ${{ vars.HARBOR_URL }}
-        run: docker login ${HARBOR_URL} -u ${HARBOR_USERNAME} -p ${HARBOR_PASSWORD}
-      - name: Build and push Docker images
-        env:
-          HARBOR_URL: ${{ vars.HARBOR_URL }}
-          TAG: ${{ github.sha }}
-          REPOSITORY: ${{ github.repository }}
-        run: |
-          ROOT_DIR=$(pwd)
-          IMAGE_NAME="${HARBOR_URL}/testing/$REPOSITORY:${TAG}"
-          echo "Building image: ${IMAGE_NAME}" 
-          docker build -t ${IMAGE_NAME} .
-          echo "Pushing image: ${IMAGE_NAME}" 
-          docker push ${IMAGE_NAME}
-          echo "Successfully pushed: ${IMAGE_NAME}"
-          docker rmi ${IMAGE_NAME}
-          echo "cleaned up local image"
+name: Docker Image CI
+on:
+  push:
+    branches:
+      - dev
+
+jobs:
+  build:
+    runs-on: gitea-runner-group-blog
+    container:
+      image: ${{ vars.HARBOR_URL }}/candlelight/action_builder:v0.0.1
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: docker login
+        env:
+          HARBOR_USERNAME: ${{ secrets.HARBOR_ROBOT }}
+          HARBOR_PASSWORD: ${{ secrets.HARBOR_ROBOT_SECRET }}
+          HARBOR_URL: ${{ vars.HARBOR_URL }}
+        run: docker login ${HARBOR_URL} -u ${HARBOR_USERNAME} -p ${HARBOR_PASSWORD}
+      - name: Build and push Docker images
+        env:
+          HARBOR_URL: ${{ vars.HARBOR_URL }}
+          TAG: ${{ github.sha }}
+          REPOSITORY: ${{ github.repository }}
+        run: |
+          ROOT_DIR=$(pwd)
+          IMAGE_NAME="${HARBOR_URL}/testing/$REPOSITORY:${TAG}"
+          echo "Building image: ${IMAGE_NAME}" 
+          docker build -t ${IMAGE_NAME} .
+          echo "Pushing image: ${IMAGE_NAME}" 
+          docker push ${IMAGE_NAME}
+          echo "Successfully pushed: ${IMAGE_NAME}"
+          docker rmi ${IMAGE_NAME}
+          echo "cleaned up local image"
diff --git a/.gitea/workflows/tag.yaml b/.gitea/workflows/tag.yaml
index a70ef9e..8d70402 100644
--- a/.gitea/workflows/tag.yaml
+++ b/.gitea/workflows/tag.yaml
@@ -1,34 +1,34 @@
-name: Docker Image CI
-on:
-  push:
-    tags:
-      - '*'
-
-jobs:
-  build:
-    runs-on: gitea-runner-group-blog
-    container:
-      image: harbor.merlin.xin/release/merlin/action_builder:v0.0.1
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-      - name: docker login
-        env:
-          HARBOR_USERNAME: ${{ secrets.HARBOR_ROBOT }}
-          HARBOR_PASSWORD: ${{ secrets.HARBOR_ROBOT_SECRET }}
-          HARBOR_URL: ${{ vars.HARBOR_URL }}
-        run: docker login ${HARBOR_URL} -u ${HARBOR_USERNAME} -p ${HARBOR_PASSWORD}
-      - name: Build and push Docker images
-        env:
-          HARBOR_URL: ${{ vars.HARBOR_URL }}
-          REPOSITORY: ${{ github.repository }}
-        run: |
-          ROOT_DIR=$(pwd)
-          IMAGE_NAME="${HARBOR_URL}/release/$REPOSITORY:$GITHUB_REF_NAME"
-          echo "Building image: ${IMAGE_NAME}" 
-          docker build -t ${IMAGE_NAME} .
-          echo "Pushing image: ${IMAGE_NAME}" 
-          docker push ${IMAGE_NAME}
-          echo "Successfully pushed: ${IMAGE_NAME}"
-          docker rmi ${IMAGE_NAME}
-          echo "cleaned up local image"
+name: Docker Image CI
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  build:
+    runs-on: gitea-runner-group-blog
+    container:
+      image: ${{ vars.HARBOR_URL }}/candlelight/action_builder:v0.0.1
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: docker login
+        env:
+          HARBOR_USERNAME: ${{ secrets.HARBOR_ROBOT }}
+          HARBOR_PASSWORD: ${{ secrets.HARBOR_ROBOT_SECRET }}
+          HARBOR_URL: ${{ vars.HARBOR_URL }}
+        run: docker login ${HARBOR_URL} -u ${HARBOR_USERNAME} -p ${HARBOR_PASSWORD}
+      - name: Build and push Docker images
+        env:
+          HARBOR_URL: ${{ vars.HARBOR_URL }}
+          REPOSITORY: ${{ github.repository }}
+        run: |
+          ROOT_DIR=$(pwd)
+          IMAGE_NAME="${HARBOR_URL}/$REPOSITORY:$GITHUB_REF_NAME"
+          echo "Building image: ${IMAGE_NAME}" 
+          docker build -t ${IMAGE_NAME} .
+          echo "Pushing image: ${IMAGE_NAME}" 
+          docker push ${IMAGE_NAME}
+          echo "Successfully pushed: ${IMAGE_NAME}"
+          docker rmi ${IMAGE_NAME}
+          echo "cleaned up local image"
diff --git a/src/main/java/xin/merlin/myblog_server/utils/JwtUtil.java b/src/main/java/xin/merlin/myblog_server/utils/JwtUtil.java
index 2e0a4a2..32ccb4d 100644
--- a/src/main/java/xin/merlin/myblog_server/utils/JwtUtil.java
+++ b/src/main/java/xin/merlin/myblog_server/utils/JwtUtil.java
@@ -3,7 +3,9 @@ package xin.merlin.myblog_server.utils;
 import io.jsonwebtoken.*;
 import io.jsonwebtoken.security.Keys;
 import jakarta.annotation.PostConstruct;
+import jakarta.annotation.PreDestroy;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 import xin.merlin.myblog_server.config.JwtProperties;
 
@@ -12,6 +14,8 @@ import java.nio.charset.StandardCharsets;
 import java.util.Date;
 import java.util.UUID;
 
+
+@Slf4j
 @Component
 @RequiredArgsConstructor
 public class JwtUtil {
@@ -34,6 +38,16 @@ public class JwtUtil {
         }
     }
 
+    @PreDestroy
+    public void destroy() {
+        log.info("JWT 组件正在关闭...");
+        // 如有线程池、定时任务、IO 连接，在这里 shutdown/close
+        // 本例仅把引用置空，帮助 GC（可选）
+        this.jwtParser = null;
+        this.key = null;
+        log.info("JWT 组件已关闭");
+    }
+
     /**
      * 生成 JWT Token
      */