diff --git a/deploy/docker-compose.test-limits.yml b/deploy/docker-compose.test-limits.yml
new file mode 100644
index 000000000..353b3a0cd
--- /dev/null
+++ b/deploy/docker-compose.test-limits.yml
@@ -0,0 +1,65 @@
+# 仅由 TEST 部署入口叠加，固定 JVM 堆并为线程、元空间和直接内存保留余量。
+x-test-limits: &test-limits
+  mem_limit: 1536m
+  memswap_limit: 1536m
+  environment: &test-java-environment
+    JAVA_OPTS: "-XX:+ExitOnOutOfMemoryError -Dfile.encoding=UTF-8"
+    JAVA_TOOL_OPTIONS: "-Xms128m -Xmx768m"
+
+services:
+  gateway:
+    <<: *test-limits
+
+  auth:
+    <<: *test-limits
+
+  iam:
+    <<: *test-limits
+
+  order:
+    <<: *test-limits
+
+  firstleg:
+    <<: *test-limits
+    mem_limit: 2g
+    memswap_limit: 2g
+    environment:
+      <<: *test-java-environment
+      JAVA_TOOL_OPTIONS: "-Xms256m -Xmx1g"
+
+  finance:
+    <<: *test-limits
+
+  warehouse:
+    <<: *test-limits
+
+  warehouse-overseas-service:
+    <<: *test-limits
+
+  integration-service:
+    <<: *test-limits
+
+  audit-service:
+    <<: *test-limits
+
+  file:
+    <<: *test-limits
+    mem_limit: 3g
+    memswap_limit: 3g
+    environment:
+      <<: *test-java-environment
+      JAVA_TOOL_OPTIONS: "-Xms1g -Xmx2g"
+
+  print:
+    <<: *test-limits
+    environment:
+      <<: *test-java-environment
+      JAVA_TOOL_OPTIONS: "-Xms512m -Xmx1g"
+
+  lastleg-service:
+    <<: *test-limits
+    mem_limit: 3g
+    memswap_limit: 3g
+    environment:
+      <<: *test-java-environment
+      JAVA_TOOL_OPTIONS: "-Xms512m -Xmx1536m"
diff --git a/deploy/scripts/deploy-built-service.sh b/deploy/scripts/deploy-built-service.sh
index 995da8f58..b6f420f4a 100644
--- a/deploy/scripts/deploy-built-service.sh
+++ b/deploy/scripts/deploy-built-service.sh
@@ -12,6 +12,7 @@ IMAGE_TAG="$3"
 SERVICE="$4"
 ENV_FILE="$5"
 COMPOSE_FILE="deploy/docker-compose.yml"
+TEST_LIMITS_FILE="deploy/docker-compose.test-limits.yml"
 IMAGE="$IMAGE_REPOSITORY/$SERVICE:$IMAGE_TAG"
 REGISTRY_HOST="${IMAGE_REPOSITORY%%/*}"
 PROJECT_NAME="firstleg-$DEPLOY_ENV"
@@ -40,6 +41,9 @@ case "${ALLOW_SAME_CONTRACT_ROLLBACK:-false}" in true|false) ;; *) exit 2 ;; esa
 if [ "$DEPLOY_ENV" = "test" ] && [ "${TARGET_IS_LOCAL:-false}" != "true" ]; then
   echo "TEST deploy must run on the target host" >&2; exit 2
 fi
+if [ "$DEPLOY_ENV" = "test" ] && [ ! -f "$TEST_LIMITS_FILE" ]; then
+  echo "TEST memory limits file missing: $TEST_LIMITS_FILE" >&2; exit 2
+fi
 [ -f "$ENV_FILE" ] || { echo "Environment file missing" >&2; exit 2; }
 env_file_value() { sed -n "s/^$1=//p" "$ENV_FILE" | tail -n 1 | tr -d '\r'; }
 for key in NACOS_SERVER_ADDR NACOS_NAMESPACE NACOS_USERNAME NACOS_PASSWORD REDIS_HOST REDIS_PORT REDIS_DATABASE REDIS_TOKEN_KEY_PREFIX INTERNAL_SERVICE_TOKEN JWT_RSA_JWK_SET JWT_CURRENT_KID ROCKETMQ_NAME_SERVER; do
@@ -74,7 +78,11 @@ local_registry_logout() {
   if [ -n "${deploy_docker_config:-}" ]; then rm -rf -- "$deploy_docker_config"; fi
 }
 
+# TEST 的查询、部署和回滚共用同一份内存限额，缺失时由入口提前拒绝。
 local_compose() {
+  if [ "$DEPLOY_ENV" = "test" ]; then
+    set -- -f "$TEST_LIMITS_FILE" "$@"
+  fi
   docker compose \
     --project-name "$PROJECT_NAME" \
     --env-file "$ENV_FILE" \
diff --git a/scripts/deploy-built-service-rollback.test.mjs b/scripts/deploy-built-service-rollback.test.mjs
index f4f82baae..94d659e8d 100644
--- a/scripts/deploy-built-service-rollback.test.mjs
+++ b/scripts/deploy-built-service-rollback.test.mjs
@@ -69,7 +69,8 @@ case "$command" in
 esac
 `
 
-async function runDeployment({ imageTag, failingTag, failingStartTag, restartingTag, allowRollback = true, environment = 'test', service = 'audit-service', missingHealth = false, topicPrefix = `${environment}-`, remote = false }) {
+// 通过临时 Docker/SSH 替身验证环境选择、健康门禁及失败后的镜像恢复。
+async function runDeployment({ imageTag, failingTag, failingStartTag, restartingTag, allowRollback = true, environment = 'test', service = 'audit-service', missingHealth = false, missingTestLimits = false, topicPrefix = `${environment}-`, remote = false }) {
   const temporaryDirectory = await mkdtemp(join(tmpdir(), 'firstleg-rollback-'))
   const mockBin = join(temporaryDirectory, 'bin')
   const dockerPath = join(mockBin, 'docker')
@@ -115,7 +116,7 @@ cp "$1" "\${2#*:}"
     service,
     envFile.replaceAll('\\', '/')
   ], {
-    cwd: repositoryRoot,
+    cwd: missingTestLimits ? temporaryDirectory : repositoryRoot,
     encoding: 'utf8',
     env: {
       ...process.env,
@@ -158,6 +159,16 @@ test('successful deployment keeps the new healthy image', async (context) => {
   assert.match(result.stdout, /部署前运行镜像: registry\.local\/group\/firstleg\/audit-service:oldgood/)
   assert.match(result.stdout, /新镜像健康检查通过: registry\.local\/group\/firstleg\/audit-service:newgood/)
   assert.equal(result.currentImage, 'registry.local/group/firstleg/audit-service:newgood')
+  for (const command of result.dockerLog.split(/\r?\n/).filter(line => line.startsWith('compose '))) {
+    assert.match(command, /-f deploy\/docker-compose\.yml -f deploy\/docker-compose\.test-limits\.yml /)
+  }
+})
+
+test('TEST rejects a missing memory limits file before Docker', async () => {
+  const result = await runDeployment({ imageTag: 'newgood', missingTestLimits: true })
+  assert.equal(result.status, 2)
+  assert.equal(result.dockerLog, '')
+  assert.match(result.stderr, /TEST memory limits file missing/)
 })
 
 test('unhealthy deployment restores the previous healthy image and still fails the job', async (context) => {
@@ -232,6 +243,7 @@ test('gray deploy preserves health checks and uses an isolated Compose project',
   assert.equal(result.status, 0, result.stderr)
   assert.match(result.dockerLog, /--project-name firstleg-production/)
   assert.doesNotMatch(result.dockerLog, /--project-name firstleg-test/)
+  assert.doesNotMatch(result.dockerLog, /docker-compose\.test-limits\.yml/)
 })
 
 test('gray deployment rejects TEST message scope before any Docker operation', async () => {