diff --git a/CLAUDE.md b/CLAUDE.md
index c174624..f6aeaad 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -26,7 +26,7 @@ FastAPI + Vue 3 iOS app auto-packaging service. Supports Ad_Hoc and App_Store bu
 - `backend/config.py` — loads .env, defines all config constants
 - `frontend/src/views/` — BuildView, HistoryView, ConfigView
 - `config.json` — runtime config (apps, schemes, servers, upload, branches, versions) managed via web UI
-- Versions are per-track: each release branch (master, develop, …) has its own track named after the branch (build number auto-increments on App_Store), and all self-test branches share the `feature` track (never increments); each branch's track name lives in `config["branch_track"]`, track records in `config["versions"]["tracks"]` carry `kind` (release/feature)
+- Versions are per-track: each release branch has its own track (master/main keeps the historical `release` track, others are named after the branch, e.g. `develop`; build number auto-increments on App_Store), and all self-test branches share the `feature` track (never increments); each branch's track name lives in `config["branch_track"]`, track records in `config["versions"]["tracks"]` carry `kind` (release/feature)
 
 ## Conventions
 
diff --git a/README.md b/README.md
index 365c33a..b7fa9cb 100644
--- a/README.md
+++ b/README.md
@@ -197,14 +197,15 @@ GIT_PASSWORD=<仅 read_repository 权限的 Personal Access Token>
 
 | 轨道 | 适用分支 | 构建号行为 |
 |------|----------|-----------|
-| 上架轨（轨道名即分支名，如 `master`、`develop`） | 每个上架分支各一条，版本号彼此独立 | App_Store 打包时按当前 App_Ver 自动 +1 |
+| `release`（上架） | master / main | App_Store 打包时按当前 App_Ver 自动 +1 |
+| `develop` 等以分支名命名的上架轨 | develop、release-*、hotfix-* 等其它上架分支，每个分支一条 | 同上，与 `release` 轨互不影响 |
 | `feature`（自测） | feature/* 等其他分支，共用一条 | 永不自增，始终使用配置页填写的值（默认 `.0`） |
 
-- 分支归属默认按名字推断（master/main/develop/dev/release-*/hotfix-* → 自己的上架轨，其余 → feature），可在「分支管理」页逐个改；改成「上架」即为该分支新建一条以分支名命名的轨道。
+- 分支归属默认按名字推断（master/main → `release` 轨，develop/dev/release-*/hotfix-* → 以分支名命名的轨，其余 → `feature`），可在「分支管理」页逐个改；改成「上架」即为该分支建一条独立轨道。
 - 「打包设置」页按上架分支分块填写版本号，最后一块是共用的自测版本号。
 - 每条轨道内的构建号按 App_Ver 独立记录（`build_map`），回退到打过包的旧版本号时会从它自己的最大值继续，不会与 App Store Connect 上已传构建号冲突。
 - App Store 的构建号唯一性按 App_Ver 全局判定，因此两个上架分支若临时用了同一个 App_Ver，递增时会跨轨道取最大值 +1，避免重号被拒。
-- 旧配置（master/develop 共用的 `release` 轨）首次启动时自动拆分为各分支自己的轨道，已用构建号原样复制过去。
+- 旧配置（master/develop 共用的 `release` 轨）首次启动时自动拆开：master 留在 `release` 轨，develop 新建 `develop` 轨并复制一份已用构建号。
 
 ### 服务端自动化资源
 
diff --git a/backend/routers/config.py b/backend/routers/config.py
index e0e2a49..3d87aba 100644
--- a/backend/routers/config.py
+++ b/backend/routers/config.py
@@ -93,16 +93,18 @@ DEFAULT_SERVERS = {
 
 DEFAULT_APP_VER = "2.180.0"
 
-# 版本轨道：每个上架分支（master / develop / release-* 等）各有一条独立轨道，
-# 轨道名即分支名，App_Store 打包时构建号自增；所有自测分支共用一条 feature 轨，
-# 构建号永不自增。各轨道的 App_Ver 互不影响。
+# 版本轨道：每个上架分支各有一条独立轨道，App_Store 打包时构建号自增；
+# 所有自测分支共用一条 feature 轨，构建号永不自增。各轨道的 App_Ver 互不影响。
+# 轨道名：master/main 沿用历史名称 release，其余上架分支以分支名命名（develop、hotfix-x…）。
 KIND_RELEASE = "release"
 KIND_FEATURE = "feature"
+TRACK_RELEASE = "release"          # master/main 的上架轨（沿用旧名，历史构建号原地保留）
 TRACK_FEATURE = "feature"          # 自测轨的固定轨道名
-LEGACY_RELEASE_TRACK = "release"   # 旧版 master/develop 共用的上架轨，迁移时按分支拆开
+FIXED_TRACKS = (TRACK_RELEASE, TRACK_FEATURE)
 
 # 按名字推断轨道的默认规则；config["branch_track"] 中的显式配置优先。
-RELEASE_BRANCH_NAMES = {"master", "main", "develop", "dev"}
+MASTER_BRANCH_NAMES = {"master", "main"}
+RELEASE_BRANCH_NAMES = MASTER_BRANCH_NAMES | {"develop", "dev"}
 RELEASE_BRANCH_PREFIXES = ("release/", "release-", "hotfix/", "hotfix-")
 
 
@@ -113,8 +115,10 @@ def _is_release_branch(branch: str) -> bool:
 
 
 def _release_track_name(branch: str) -> str:
-    """上架轨道名即分支名；与固定的自测轨重名时加前缀避让。"""
-    return f"release:{branch}" if branch == TRACK_FEATURE else branch
+    """上架分支的轨道名：master/main 为 release，其余即分支名（与固定轨重名时避让）。"""
+    if (branch or "").strip().lower() in MASTER_BRANCH_NAMES:
+        return TRACK_RELEASE
+    return f"release:{branch}" if branch in FIXED_TRACKS else branch
 
 
 def _default_track_for_branch(branch: str) -> str:
@@ -173,7 +177,8 @@ def _ensure_versions(config: dict) -> bool:
     """确保 versions 为「每个上架分支一条轨 + 一条 feature 轨」结构，并迁移旧配置。
 
     旧式单轨 ``{"app_ver": ..., "build_map": ...}`` 和旧的 master/develop 共用
-    ``release`` 轨，都会按上架分支拆成各自独立的轨道，并复制已用构建号，
+    ``release`` 轨，都会按上架分支拆开：master/main 留在 release 轨（历史构建号原地
+    保留），develop 等其它上架分支新建以分支名命名的轨道，并复制一份已用构建号，
     使拆分后每个分支都从原来的构建号继续递增。
     """
     versions = config.get("versions")
@@ -191,16 +196,15 @@ def _ensure_versions(config: dict) -> bool:
         versions["tracks"] = tracks
         changed = True
     else:
-        # 迁移后的轨道都带 kind；没有 kind 的 release 轨即旧的共用上架轨
-        old = tracks.get(LEGACY_RELEASE_TRACK)
-        if isinstance(old, dict) and "kind" not in old:
-            build_map = old.get("build_map")
+        # 迁移后的轨道都带 kind；没有 kind 的 release 轨即旧的 master/develop 共用轨，
+        # 它继续作为 master/main 的轨道，同时作为其它上架分支新轨的初值。
+        shared = tracks.get(TRACK_RELEASE)
+        if isinstance(shared, dict) and "kind" not in shared:
+            build_map = shared.get("build_map")
             legacy = {
-                "app_ver": old.get("app_ver") or DEFAULT_APP_VER,
+                "app_ver": shared.get("app_ver") or DEFAULT_APP_VER,
                 "build_map": build_map if isinstance(build_map, dict) else {},
             }
-            tracks.pop(LEGACY_RELEASE_TRACK)
-            changed = True
 
     feature = tracks.get(TRACK_FEATURE)
     if not isinstance(feature, dict):
@@ -230,8 +234,8 @@ def _ensure_versions(config: dict) -> bool:
         changed = True
     for branch in config.get("branches", []) or []:
         name = branch_track.get(branch)
-        if name == LEGACY_RELEASE_TRACK and LEGACY_RELEASE_TRACK not in tracks:
-            # 旧的共用上架轨 → 该分支自己的轨
+        if name == TRACK_RELEASE and legacy is not None:
+            # 旧的共用上架轨 → master/main 留在 release 轨，其余分支拆到自己的轨
             name = _release_track_name(branch)
         if not isinstance(name, str) or not name:
             name = _default_track_for_branch(branch)
@@ -263,8 +267,6 @@ def get_track_name(config: dict, branch: str) -> str:
     tracks = (config.get("versions") or {}).get("tracks") or {}
     if isinstance(name, str) and name in tracks:
         return name
-    if name == LEGACY_RELEASE_TRACK:  # 尚未迁移的旧配置
-        return _release_track_name(branch)
     return _default_track_for_branch(branch)
 
 
diff --git a/config.example.json b/config.example.json
index cc3e3ea..4509d0b 100644
--- a/config.example.json
+++ b/config.example.json
@@ -74,10 +74,10 @@
   },
   "versions": {
     "tracks": {
-      "master": { "kind": "release", "app_ver": "2.180.0", "build_map": {} },
+      "release": { "kind": "release", "app_ver": "2.180.0", "build_map": {} },
       "develop": { "kind": "release", "app_ver": "2.180.0", "build_map": {} },
       "feature": { "kind": "feature", "app_ver": "2.180.0", "build_map": {} }
     }
   },
-  "branch_track": { "master": "master", "develop": "develop" }
+  "branch_track": { "master": "release", "develop": "develop" }
 }
diff --git a/frontend/src/__tests__/ConfigView.test.js b/frontend/src/__tests__/ConfigView.test.js
index a0decf9..0376f43 100644
--- a/frontend/src/__tests__/ConfigView.test.js
+++ b/frontend/src/__tests__/ConfigView.test.js
@@ -27,13 +27,13 @@ function mockFetch(url) {
     '/api/config/versions': {
       app_ver: '2.195.0',
       build_ver: '2.195.0.0',
-      primary_track: 'main',
+      primary_track: 'release',
       tracks: {
-        main: { kind: 'release', app_ver: '2.195.0', build_ver: '2.195.0.0', build_map: {} },
+        release: { kind: 'release', app_ver: '2.195.0', build_ver: '2.195.0.0', build_map: {} },
         dev: { kind: 'release', app_ver: '2.196.0', build_ver: '2.196.0.0', build_map: {} },
         feature: { kind: 'feature', app_ver: '2.100.0', build_ver: '2.100.0.0', build_map: {} },
       },
-      branch_track: { main: 'main', dev: 'dev' },
+      branch_track: { main: 'release', dev: 'dev' },
     },
     '/api/config': { apps: {}, schemes: {}, branches: ['main'] },
   }
@@ -215,8 +215,8 @@ describe('ConfigView.vue', () => {
     await wrapper.vm.$nextTick()
 
     const inputs = wrapper.findAll('input[type="text"]')
-    expect(inputs[0].element.value).toBe('2.195.0')  // main（上架）App_Ver
-    expect(inputs[2].element.value).toBe('2.196.0')  // dev（上架）App_Ver
+    expect(inputs[0].element.value).toBe('2.195.0')  // main 分支（release 轨）App_Ver
+    expect(inputs[2].element.value).toBe('2.196.0')  // dev 分支（dev 轨）App_Ver
     expect(inputs[4].element.value).toBe('2.100.0')  // feature App_Ver
 
     await inputs[4].setValue('2.101.0')
diff --git a/frontend/src/views/ConfigView.vue b/frontend/src/views/ConfigView.vue
index 94d4141..0ed1de4 100644
--- a/frontend/src/views/ConfigView.vue
+++ b/frontend/src/views/ConfigView.vue
@@ -294,7 +294,7 @@
               <div class="form-group">
                 <label>App_Ver（应用版本）</label>
                 <input type="text" v-model="versions[t.name].app_ver" placeholder="2.180.0" @input="onAppVerInput(t.name)">
-                <div style="font-size: 12px; color: #999; margin-top: 4px;">格式：主版本.次版本.修订号。该版本号只用于 {{ t.branches.join(' / ') }} 分支，与其它分支互不影响。</div>
+                <div style="font-size: 12px; color: #999; margin-top: 4px;">格式：主版本.次版本.修订号。该版本号只用于 {{ t.branches.join(' / ') }} 分支（轨道 {{ t.name }}），与其它分支互不影响。</div>
               </div>
               <div class="form-group">
                 <label>Build_Ver（构建号）</label>
@@ -304,7 +304,7 @@
                   每个版本号的构建号独立递增，App_Store 打包时自动 +1。一般无需手动修改。
                 </div>
               </div>
-              <button class="btn btn-primary" style="width: auto; padding: 10px 32px; margin-bottom: 24px;" @click="saveVersions(t.name)">保存 {{ t.name }} 版本号</button>
+              <button class="btn btn-primary" style="width: auto; padding: 10px 32px; margin-bottom: 24px;" @click="saveVersions(t.name)">保存 {{ t.branches.join(' / ') }} 版本号</button>
             </template>
 
             <template v-if="versions.feature">
diff --git a/tests/test_api_config.py b/tests/test_api_config.py
index b962212..e9a6835 100644
--- a/tests/test_api_config.py
+++ b/tests/test_api_config.py
@@ -229,20 +229,21 @@ def test_update_versions_rejects_invalid_app_version(client, tmp_config):
 
 
 def test_versions_tracks_are_independent(client, tmp_config):
-    # 每个上架分支一条轨道（轨道名即分支名），App_Ver 各自独立，互不影响
-    assert client.put("/api/config/versions", json={"track": "main", "app_ver": "2.196.0"}).status_code == 200
+    # 每个上架分支一条轨道（main/master 为 release，其余即分支名），App_Ver 各自独立
+    assert client.put("/api/config/versions", json={"track": "release", "app_ver": "2.196.0"}).status_code == 200
     assert client.put("/api/config/versions", json={"track": "dev", "app_ver": "2.198.0"}).status_code == 200
     assert client.put("/api/config/versions", json={"track": "feature", "app_ver": "2.100.0"}).status_code == 200
 
     data = client.get("/api/config/versions").json()
-    assert data["tracks"]["main"]["app_ver"] == "2.196.0"
+    assert data["branch_track"] == {"main": "release", "dev": "dev"}
+    assert data["tracks"]["release"]["app_ver"] == "2.196.0"
     assert data["tracks"]["dev"]["app_ver"] == "2.198.0"
     assert data["tracks"]["feature"]["app_ver"] == "2.100.0"
     assert data["tracks"]["feature"]["build_ver"] == "2.100.0.0"
-    assert data["tracks"]["main"]["kind"] == "release"
+    assert data["tracks"]["release"]["kind"] == "release"
     assert data["tracks"]["feature"]["kind"] == "feature"
     # 顶层字段镜像主上架轨（第一个上架分支），兼容旧客户端
-    assert data["primary_track"] == "main"
+    assert data["primary_track"] == "release"
     assert data["app_ver"] == "2.196.0"
 
 
@@ -261,9 +262,10 @@ def test_legacy_versions_split_per_release_branch(client, tmp_config):
         json.dump(cfg, f)
 
     data = client.get("/api/config/versions").json()
-    for branch in ("main", "dev"):
-        assert data["branch_track"][branch] == branch
-        assert data["tracks"][branch] == {
+    # main 留在 release 轨，dev 拆出自己的轨，两者都带着原来的已用构建号
+    assert data["branch_track"] == {"main": "release", "dev": "dev"}
+    for track in ("release", "dev"):
+        assert data["tracks"][track] == {
             "kind": "release",
             "app_ver": "2.195.0",
             "build_ver": "2.195.0.7",
@@ -272,15 +274,15 @@ def test_legacy_versions_split_per_release_branch(client, tmp_config):
     # feature 轨以同一 App_Ver 初始化，构建号从 .0 起
     assert data["tracks"]["feature"]["app_ver"] == "2.195.0"
     assert data["tracks"]["feature"]["build_ver"] == "2.195.0.0"
-    # 拆分后各轨独立：改 main 不影响 dev
-    assert client.put("/api/config/versions", json={"track": "main", "app_ver": "2.196.0"}).status_code == 200
+    # 拆分后各轨独立：改 release 不影响 dev
+    assert client.put("/api/config/versions", json={"track": "release", "app_ver": "2.196.0"}).status_code == 200
     data = client.get("/api/config/versions").json()
-    assert data["tracks"]["main"]["app_ver"] == "2.196.0"
+    assert data["tracks"]["release"]["app_ver"] == "2.196.0"
     assert data["tracks"]["dev"]["app_ver"] == "2.195.0"
 
 
 def test_legacy_shared_release_track_splits_per_branch(client, tmp_config):
-    """旧的 master/develop 共用 release 轨：拆成各分支自己的轨，构建号原样带过去"""
+    """旧的 master/develop 共用 release 轨：master 留在 release 轨，其余分支拆出自己的轨"""
     import json
     with open(tmp_config, "r", encoding="utf-8") as f:
         cfg = json.load(f)
@@ -293,11 +295,11 @@ def test_legacy_shared_release_track_splits_per_branch(client, tmp_config):
         json.dump(cfg, f)
 
     data = client.get("/api/config/versions").json()
-    assert "release" not in data["tracks"]
-    assert data["branch_track"] == {"main": "main", "dev": "dev"}
-    for branch in ("main", "dev"):
-        assert data["tracks"][branch]["app_ver"] == "2.195.0"
-        assert data["tracks"][branch]["build_ver"] == "2.195.0.4"
+    assert data["branch_track"] == {"main": "release", "dev": "dev"}
+    for track in ("release", "dev"):
+        assert data["tracks"][track]["kind"] == "release"
+        assert data["tracks"][track]["app_ver"] == "2.195.0"
+        assert data["tracks"][track]["build_ver"] == "2.195.0.4"
     assert data["tracks"]["feature"]["app_ver"] == "2.100.0"
 
 
@@ -306,7 +308,7 @@ def test_branch_track_defaults_and_override(client, tmp_config):
     assert client.post("/api/config/branches", json={"name": "feature/login"}).status_code == 200
 
     data = client.get("/api/config/versions").json()
-    # 上架分支各有一条以分支名命名的轨道，自测分支共用 feature 轨
+    # 上架分支各有一条独立轨道（main/master 为 release，其余即分支名），自测分支共用 feature 轨
     assert data["branch_track"]["develop"] == "develop"
     assert data["branch_track"]["feature/login"] == "feature"
     assert data["tracks"]["develop"]["kind"] == "release"
diff --git a/tests/test_build_service.py b/tests/test_build_service.py
index 32dda1c..6436453 100644
--- a/tests/test_build_service.py
+++ b/tests/test_build_service.py
@@ -344,7 +344,7 @@ async def test_generate_config_uses_saved_version(tmp_path, log_streamer):
     task.obfuscation = False
     task.branch = "master"
 
-    mock_config = _versions_config({"master": _release("3.0.1"), "feature": _feature("9.9.9")})
+    mock_config = _versions_config({"release": _release("3.0.1"), "feature": _feature("9.9.9")})
 
     with patch("backend.routers.config.load_config", return_value=mock_config):
         result = await generate_config("t1", task, build_dir)
@@ -363,7 +363,7 @@ async def test_generate_config_appstore_increments_per_version(tmp_path, log_str
 
     # 2.195.0 已打到 .5，切到 2.196.0 后又回退到 2.195.0
     mock_config = _versions_config({
-        "master": _release("2.195.0", {"2.195.0": 5, "2.196.0": 3}),
+        "release": _release("2.195.0", {"2.195.0": 5, "2.196.0": 3}),
         "feature": _feature("2.195.0"),
     })
 
@@ -372,7 +372,7 @@ async def test_generate_config_appstore_increments_per_version(tmp_path, log_str
         result = await generate_config("t1", task, build_dir)
 
     # 从 2.195.0 自身的 5 继续到 6，不受 2.196.0 影响，也不撞已传的 .5
-    release_map = mock_config["versions"]["tracks"]["master"]["build_map"]
+    release_map = mock_config["versions"]["tracks"]["release"]["build_map"]
     assert result["BUILD_VERSION"] == "2.195.0.6"
     assert release_map["2.195.0"] == 6
     assert release_map["2.196.0"] == 3
@@ -388,7 +388,7 @@ async def test_generate_config_release_branches_are_independent(tmp_path, log_st
                      obfuscation=False, branch="develop")
 
     mock_config = _versions_config({
-        "master": _release("2.195.0", {"2.195.0": 5}),
+        "release": _release("2.195.0", {"2.195.0": 5}),      # master
         "develop": _release("2.196.0", {"2.196.0": 1}),
         "feature": _feature("2.100.0"),
     })
@@ -399,8 +399,8 @@ async def test_generate_config_release_branches_are_independent(tmp_path, log_st
 
     assert result["VERSION"] == "2.196.0"
     assert result["BUILD_VERSION"] == "2.196.0.2"
-    # master 轨完全不受影响
-    assert mock_config["versions"]["tracks"]["master"]["build_map"] == {"2.195.0": 5}
+    # master 的 release 轨完全不受影响
+    assert mock_config["versions"]["tracks"]["release"]["build_map"] == {"2.195.0": 5}
 
 
 async def test_generate_config_build_no_skips_other_release_track(tmp_path, log_streamer):
@@ -412,7 +412,7 @@ async def test_generate_config_build_no_skips_other_release_track(tmp_path, log_
                      obfuscation=False, branch="develop")
 
     mock_config = _versions_config({
-        "master": _release("2.196.0", {"2.196.0": 7}),
+        "release": _release("2.196.0", {"2.196.0": 7}),      # master
         "develop": _release("2.196.0", {"2.196.0": 2}),
         "feature": _feature("2.100.0"),
     })
@@ -434,7 +434,7 @@ async def test_generate_config_feature_branch_never_increments(tmp_path, log_str
                      obfuscation=False, branch="feature/login")
 
     mock_config = _versions_config({
-        "master": _release("2.195.0", {"2.195.0": 5}),
+        "release": _release("2.195.0", {"2.195.0": 5}),
         "feature": _feature("2.100.0"),
     })
 
@@ -457,7 +457,7 @@ async def test_generate_config_branch_track_override(tmp_path, log_streamer):
                      obfuscation=False, branch="release/2.196")
 
     mock_config = _versions_config({
-        "master": _release("2.196.0"),
+        "release": _release("2.196.0"),
         "feature": _feature("2.100.0"),
     })
     mock_config["branch_track"] = {"release/2.196": "feature"}