diff --git a/Jenkinsfile b/Jenkinsfile
index 132b7cb95..07fb4d420 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -37,6 +37,12 @@ def environmentChoicesForJob(String jobBaseName) {
         : ['test', 'development', 'staging', 'production']
 }
 
+def downstreamJobPrefixForJob(String jobBaseName) {
+    return jobBaseName == 'backend-java-dev'
+        ? 'baiyue-firstleg-dev-'
+        : 'baiyue-firstleg-'
+}
+
 pipeline {
     // 总控流水线只识别变更并调度独立的服务 Job；实际 Maven、镜像和部署在 Jenkinsfile.service 中完成。
     agent any
@@ -71,7 +77,7 @@ pipeline {
         booleanParam(name: 'SKIP_TESTS', defaultValue: false, description: '是否跳过测试；生产构建不建议勾选')
         string(name: 'IMAGE_REPOSITORY', defaultValue: '172.31.198.7:10082/java-project/baiyue-firstleg', description: '内网共享镜像仓库地址')
         string(name: 'DOCKER_BASE_IMAGE', defaultValue: 'docker.m.daocloud.io/library/eclipse-temurin:17-jre-alpine', description: 'Java 17 基础镜像')
-        string(name: 'DOWNSTREAM_JOB_PREFIX', defaultValue: 'baiyue-firstleg-', description: '单服务 Jenkins Job 名称前缀，例如 baiyue-firstleg-auth')
+        string(name: 'DOWNSTREAM_JOB_PREFIX', defaultValue: downstreamJobPrefixForJob(env.JOB_BASE_NAME), description: '单服务 Jenkins Job 名称前缀；开发总控自动使用 dev 专属 Job')
     }
 
     stages {
diff --git a/scripts/test-environment-pipeline-contract.test.mjs b/scripts/test-environment-pipeline-contract.test.mjs
index f1369963d..1e074dfbd 100644
--- a/scripts/test-environment-pipeline-contract.test.mjs
+++ b/scripts/test-environment-pipeline-contract.test.mjs
@@ -23,6 +23,8 @@ test('coordinator jobs present their own deployment environment as the default c
   assert.match(coordinatorPipeline, /\? \['development', 'test', 'staging', 'production'\]/)
   assert.match(coordinatorPipeline, /: \['test', 'development', 'staging', 'production'\]/)
   assert.match(coordinatorPipeline, /environmentChoicesForJob\(env\.JOB_BASE_NAME\)/)
+  assert.match(coordinatorPipeline, /jobBaseName == 'backend-java-dev'[\s\S]*?'baiyue-firstleg-dev-'/)
+  assert.match(coordinatorPipeline, /downstreamJobPrefixForJob\(env\.JOB_BASE_NAME\)/)
 })
 
 test('production deployments cannot skip tests', () => {