fix: set fixed JWT_SECRET environment variable in docker-compose

.gitea/workflows/build.yml

@@ -59,7 +59,7 @@ jobs:
             DEPLOY_PATH="${{ secrets.DEPLOY_PATH || '/opt/anticaptcha' }}"
             mkdir -p $DEPLOY_PATH
             cd $DEPLOY_PATH
-            if [ ! -f docker-compose.yml ]; then
+            # 始终更新 docker-compose.yml 以确保环境变量正确
             cat > docker-compose.yml << 'EOF'
             services:
               anticaptcha:
@@ -69,8 +69,9 @@ jobs:
                 volumes:
                   - ./data:/app/data
                   - ./models:/app/models
+                environment:
+                  - JWT_SECRET=anticaptcha-fixed-jwt-secret-2024
                 restart: unless-stopped
             EOF
-            fi
             docker compose pull
             docker compose up -d