diff --git a/deploy/docker-compose.yml b/deploy/docker-compose.yml
index a32c3906f..c4d3c1d27 100644
--- a/deploy/docker-compose.yml
+++ b/deploy/docker-compose.yml
@@ -285,9 +285,14 @@ services:
     image: ${IMAGE_REPOSITORY}/lastleg-service:${IMAGE_TAG}
     container_name: firstleg-${DEPLOY_ENV:-test}-lastleg
     expose: ["9303"]
+    # 仅限制尾程服务，避免 JVM 异常时拖垮测试服务器.
+    mem_limit: 3g
+    memswap_limit: 3g
+    cpus: "2.0"
     environment:
       <<: *common-environment
       SERVER_PORT: 9303
+      JAVA_TOOL_OPTIONS: "-Xms512m -Xmx1536m -XX:+ExitOnOutOfMemoryError -Dfile.encoding=UTF-8"
       SELFOP_EXECUTION_ENABLED: ${SELFOP_EXECUTION_ENABLED:-false}
       SELFOP_COLLECTION_MODE: ${SELFOP_COLLECTION_MODE:-OFF}
       SELFOP_SOURCE_ACCOUNT: ${SELFOP_SOURCE_ACCOUNT:-lingxing-primary}
@@ -333,3 +338,5 @@ networks:
   infra-network:
     external: true
     name: ${INFRA_NETWORK:-firstleg-${DEPLOY_ENV:-test}-infra-network}
+
+