diff --git a/src/data/api/ApiProjectRepository.cpp b/src/data/api/ApiProjectRepository.cpp
index 1bd7b14..193863b 100644
--- a/src/data/api/ApiProjectRepository.cpp
+++ b/src/data/api/ApiProjectRepository.cpp
@@ -6,6 +6,8 @@
 #include <QUrl>
 
 #include "ApiClient.hpp"
+#include "api/NavLoads.hpp"
+#include "api/NavRequest.hpp"
 #include "dto/NavDto.hpp"
 
 namespace geopro::data {
@@ -15,6 +17,9 @@ constexpr int kCodeSuccess = 200;
 
 bool ok(const net::ApiResponse& r) { return r.code == kCodeSuccess; }
 
+// 异步失败谓词（与同步 ok() 同口径：业务码非 200 或网络错误）。
+bool isFailureA(const net::ApiResponse& r) { return r.code != kCodeSuccess || !r.rawError.isEmpty(); }
+
 std::string errorOf(const net::ApiResponse& r, const char* fallback) {
     if (!r.msg.isEmpty()) return r.msg.toStdString();
     if (!r.rawError.isEmpty()) return r.rawError.toStdString();
@@ -119,4 +124,100 @@ RepoResult<std::vector<ExceptionRow>> ApiProjectRepository::loadExceptionsByTm(
     return {true, dto::parseExceptions(r.data.value(QStringLiteral("value")).toArray()), {}};
 }
 
+// ── 异步实现（薄封装：endpoint/body/parse 与同步版逐一对齐；解析器在 try 内见 ApiNavRequest）──
+
+NavRequest* ApiProjectRepository::listWorkspacesAsync() {
+    auto* call = api_.getAsync(QStringLiteral("/business/system/tenant/enterprise/joined/list"));
+    return new ApiNavRequest(call, [](const net::ApiResponse& r) {
+        return QVariant::fromValue(dto::parseWorkspaces(r.data.value(QStringLiteral("value")).toArray()));
+    }, &isFailureA);
+}
+
+NavRequest* ApiProjectRepository::switchWorkspaceAsync(const std::string& tenantId) {
+    const QString path =
+        QStringLiteral("/business/system/tenant/enterprise/switch/%1").arg(enc(tenantId));
+    auto* call = api_.postJsonAsync(path, QJsonObject{});
+    // 切换空间返回新 accessToken：必须重新注入（与同步版一致），后续请求才落到新空间。
+    return new ApiNavRequest(call, [this](const net::ApiResponse& r) {
+        const QString token = r.data.value(QStringLiteral("accessToken")).toString();
+        if (!token.isEmpty()) api_.setToken(token);
+        return QVariant::fromValue(true);
+    }, &isFailureA);
+}
+
+NavRequest* ApiProjectRepository::pageProjectsAsync(const std::string& nameFilter,
+                                                    const std::string& typeId, int pageNo,
+                                                    int pageSize) {
+    QJsonObject body{{QStringLiteral("projectName"), QString::fromStdString(nameFilter)},
+                     {QStringLiteral("pageNo"), pageNo},
+                     {QStringLiteral("pageSize"), pageSize}};
+    if (!typeId.empty()) body[QStringLiteral("projectTypeId")] = QString::fromStdString(typeId);
+    auto* call = api_.postJsonAsync(QStringLiteral("/business/my/profile/project/page"), body);
+    return new ApiNavRequest(call, [](const net::ApiResponse& r) {
+        return QVariant::fromValue(dto::parseProjectPage(r.data));
+    }, &isFailureA);
+}
+
+NavRequest* ApiProjectRepository::listProjectTypesAsync() {
+    auto* call = api_.getAsync(QStringLiteral("/business/project/type/list"));
+    return new ApiNavRequest(call, [](const net::ApiResponse& r) {
+        return QVariant::fromValue(dto::parseProjectTypes(r.data.value(QStringLiteral("value")).toArray()));
+    }, &isFailureA);
+}
+
+NavRequest* ApiProjectRepository::loadStructureAsync(const std::string& projectId) {
+    const QString path =
+        QStringLiteral("/business/projectStruct/queryProjectStruct/%1").arg(enc(projectId));
+    auto* call = api_.getAsync(path);
+    return new ApiNavRequest(call, [](const net::ApiResponse& r) {
+        return QVariant::fromValue(dto::parseStructNodes(r.data.value(QStringLiteral("value")).toArray()));
+    }, &isFailureA);
+}
+
+NavRequest* ApiProjectRepository::loadRowsAsync(const std::string& projectId,
+                                                const std::string& parentId, int parentConfType,
+                                                int classifyType, int pageNo) {
+    const QString path = (classifyType == 1) ? QStringLiteral("/business/dsObject/file/page")
+                                             : QStringLiteral("/business/dsObject/data/page");
+    const QJsonObject body{
+        {QStringLiteral("projectId"), QString::fromStdString(projectId)},
+        {QStringLiteral("structParentId"), QString::fromStdString(parentId)},
+        {QStringLiteral("structParentConfType"), parentConfType},
+        {QStringLiteral("classifyTypeList"), QJsonArray{classifyType}},
+        {QStringLiteral("pageNo"), pageNo},
+        {QStringLiteral("pageSize"), 5}};
+    auto* call = api_.postJsonAsync(path, body);
+    return new ApiNavRequest(call, [](const net::ApiResponse& r) {
+        return QVariant::fromValue(dto::parseDsPage(r.data));
+    }, &isFailureA);
+}
+
+NavRequest* ApiProjectRepository::loadObjectDetailAsync(const std::string& objectId, int confType) {
+    const QString path =
+        (confType == 1)
+            ? QStringLiteral("/business/gsObject/getGsObjectDetail/%1").arg(enc(objectId))
+            : QStringLiteral("/business/tmObject/getDetail/%1").arg(enc(objectId));
+    auto* call = api_.getAsync(path);
+    return new ApiNavRequest(call, [](const net::ApiResponse& r) {
+        return QVariant::fromValue(dto::parseDynamicForm(r.data));
+    }, &isFailureA);
+}
+
+NavRequest* ApiProjectRepository::loadDatasetFormAsync(const std::string& dsObjectId) {
+    const QString path = QStringLiteral("/business/dsObject/dynamicForm/%1").arg(enc(dsObjectId));
+    auto* call = api_.getAsync(path);
+    return new ApiNavRequest(call, [](const net::ApiResponse& r) {
+        return QVariant::fromValue(dto::parseDynamicForm(r.data));
+    }, &isFailureA);
+}
+
+NavRequest* ApiProjectRepository::loadExceptionsByTmAsync(const std::string& tmObjectId) {
+    const QString path =
+        QStringLiteral("/business/exception/queryExceptionByTmObjectId/%1").arg(enc(tmObjectId));
+    auto* call = api_.getAsync(path);
+    return new ApiNavRequest(call, [](const net::ApiResponse& r) {
+        return QVariant::fromValue(dto::parseExceptions(r.data.value(QStringLiteral("value")).toArray()));
+    }, &isFailureA);
+}
+
 }  // namespace geopro::data
diff --git a/src/data/api/ApiProjectRepository.hpp b/src/data/api/ApiProjectRepository.hpp
index dd27b4b..1845e00 100644
--- a/src/data/api/ApiProjectRepository.hpp
+++ b/src/data/api/ApiProjectRepository.hpp
@@ -1,15 +1,20 @@
 #pragma once
 #include "repo/IProjectRepository.hpp"
+#include "repo/IAsyncProjectRepository.hpp"
 
 namespace geopro::net { class ApiClient; }
 
 namespace geopro::data {
 
-// 用共享会话 ApiClient 实现导航仓储（同步阻塞）。token 由调用方注入 ApiClient。
-class ApiProjectRepository : public IProjectRepository {
+class NavRequest;
+
+// 用共享会话 ApiClient 实现导航仓储。过渡期同时实现同步(旧)+异步(新)两接口。
+// token 由调用方注入 ApiClient。
+class ApiProjectRepository : public IProjectRepository, public IAsyncProjectRepository {
 public:
     explicit ApiProjectRepository(net::ApiClient& api);
 
+    // ── 同步(旧，A6 删除) ──
     RepoResult<std::vector<Workspace>>      listWorkspaces() override;
     RepoResult<bool>                         switchWorkspace(const std::string& tenantId) override;
     RepoResult<ProjectListPage> pageProjects(const std::string& nameFilter, const std::string& typeId,
@@ -22,6 +27,19 @@ public:
     RepoResult<DynamicForm> loadDatasetForm(const std::string& dsObjectId) override;
     RepoResult<std::vector<ExceptionRow>> loadExceptionsByTm(const std::string& tmObjectId) override;
 
+    // ── 异步(新) ── 返回 NavRequest*（薄封装，一方法一请求）。
+    NavRequest* listWorkspacesAsync() override;
+    NavRequest* switchWorkspaceAsync(const std::string& tenantId) override;
+    NavRequest* pageProjectsAsync(const std::string& nameFilter, const std::string& typeId,
+                                  int pageNo, int pageSize) override;
+    NavRequest* listProjectTypesAsync() override;
+    NavRequest* loadStructureAsync(const std::string& projectId) override;
+    NavRequest* loadRowsAsync(const std::string& projectId, const std::string& parentId,
+                              int parentConfType, int classifyType, int pageNo) override;
+    NavRequest* loadObjectDetailAsync(const std::string& objectId, int confType) override;
+    NavRequest* loadDatasetFormAsync(const std::string& dsObjectId) override;
+    NavRequest* loadExceptionsByTmAsync(const std::string& tmObjectId) override;
+
 private:
     net::ApiClient& api_;
 };