diff --git a/web/storyforge-web-v4/assets/app.js b/web/storyforge-web-v4/assets/app.js
index cd12593..498100f 100644
--- a/web/storyforge-web-v4/assets/app.js
+++ b/web/storyforge-web-v4/assets/app.js
@@ -3164,6 +3164,26 @@ function buildDashboardHomeModel() {
   };
 }
 
+async function applySelectedProject(projectId = "") {
+  appState.selectedProjectId = projectId || "";
+  setBusy(true, "正在切换项目视图...");
+  try {
+    if (backendSupports("/v2/storage/status")) {
+      await loadStorageStatus(appState.selectedProjectId || "");
+    } else {
+      appState.storageStatus = null;
+    }
+    await loadAgentControlSurfaces(appState.selectedProjectId || "");
+    if (appState.selectedOnelinerSessionId) {
+      await loadOneLinerMessages(appState.selectedOnelinerSessionId);
+    }
+  } finally {
+    setBusy(false, "");
+  }
+  rememberAction("当前项目已切换", `已切换到「${getSelectedProject()?.name || "所选项目"}」，你现在看到的首页、Agent 和任务都会跟随更新。`, "green");
+  renderAll();
+}
+
 function openDashboardProjectSwitcher() {
   const options = getProjectOptions();
   if (!options.length) {
@@ -3225,36 +3245,29 @@ function openDashboardProjectSwitcher() {
       },
       { name: "projectId", label: "当前项目", type: "select", value: getSelectedProject()?.id || "", options }
     ],
-    onOpen: ({ fields }) => {
+    onOpen: ({ fields, submit }) => {
       const select = fields.querySelector('[data-action-field="projectId"]');
+      const isMobileViewport = typeof window !== "undefined" && window.matchMedia?.("(max-width: 760px)")?.matches;
+      if (submit && isMobileViewport) {
+        submit.hidden = true;
+      }
       fields.querySelectorAll("[data-project-choice]").forEach((button) => {
-        button.addEventListener("click", () => {
+        button.addEventListener("click", async () => {
+          const nextProjectId = button.dataset.projectChoice || "";
           if (select) {
-            select.value = button.dataset.projectChoice || "";
+            select.value = nextProjectId;
           }
           fields.querySelectorAll("[data-project-choice]").forEach((item) => item.classList.remove("active"));
           button.classList.add("active");
+          if (isMobileViewport && nextProjectId) {
+            closeActionModal();
+            await applySelectedProject(nextProjectId);
+          }
         });
       });
     },
     onSubmit: async (payload) => {
-      appState.selectedProjectId = payload.projectId || "";
-      setBusy(true, "正在切换项目视图...");
-      try {
-        if (backendSupports("/v2/storage/status")) {
-          await loadStorageStatus(appState.selectedProjectId || "");
-        } else {
-          appState.storageStatus = null;
-        }
-        await loadAgentControlSurfaces(appState.selectedProjectId || "");
-        if (appState.selectedOnelinerSessionId) {
-          await loadOneLinerMessages(appState.selectedOnelinerSessionId);
-        }
-      } finally {
-        setBusy(false, "");
-      }
-      rememberAction("当前项目已切换", `已切换到「${getSelectedProject()?.name || "所选项目"}」，你现在看到的首页、Agent 和任务都会跟随更新。`, "green");
-      renderAll();
+      await applySelectedProject(payload.projectId || "");
     }
   });
 }
@@ -7050,7 +7063,7 @@ function renderSettingsScreen() {
   return screenShell(
     "设置",
     "这里不放系统治理内容，只处理当前用户需要理解的连接、界面和帮助信息。",
-    `${button("连接状态", "open-auth")} ${isSuperAdmin() ? button("管理员配置台", "goto-admin-workbench", "primary") : button("刷新", "refresh-data", "primary")}`,
+    `${isSuperAdmin() ? button("管理员配置台", "goto-admin-workbench", "primary") : button("刷新", "refresh-data", "primary")}`,
     `
       <div class="hero-card mobile-secondary-card">
         <h3>设置与帮助</h3>
diff --git a/web/storyforge-web-v4/tests/workbench-pages.test.mjs b/web/storyforge-web-v4/tests/workbench-pages.test.mjs
index be4e992..b98bc26 100644
--- a/web/storyforge-web-v4/tests/workbench-pages.test.mjs
+++ b/web/storyforge-web-v4/tests/workbench-pages.test.mjs
@@ -116,10 +116,18 @@ test("project creation and switching use in-app sheets instead of browser prompt
 
 test("mobile project sheets support direct project picking and zoom-safe form controls", () => {
   const projectSwitcher = extractBetween(APP, "function openDashboardProjectSwitcher()", "function openDashboardActionReasonAction(");
+  const applySelectedProject = extractBetween(APP, "async function applySelectedProject(projectId = \"\")", "function openDashboardProjectSwitcher()");
   const createProject = extractBetween(APP, "async function createProject()", "function openPreferredModelAction()");
+  assert.match(APP, /async function applySelectedProject\(projectId = ""\)/);
   assert.match(projectSwitcher, /data-project-choice=/);
   assert.match(projectSwitcher, /onOpen:\s*\(/);
-  assert.match(projectSwitcher, /select\.value = button\.dataset\.projectChoice/);
+  assert.match(projectSwitcher, /select\.value = nextProjectId/);
+  assert.match(projectSwitcher, /window\.matchMedia\?\.\("\(max-width: 760px\)"\)\?\.matches/);
+  assert.match(projectSwitcher, /submit\.hidden = true/);
+  assert.match(projectSwitcher, /closeActionModal\(\);/);
+  assert.match(projectSwitcher, /await applySelectedProject\(nextProjectId\);/);
+  assert.match(applySelectedProject, /loadStorageStatus\(appState\.selectedProjectId \|\| ""\)/);
+  assert.match(applySelectedProject, /loadAgentControlSurfaces\(appState\.selectedProjectId \|\| ""\)/);
   assert.match(createProject, /onOpen:\s*\(/);
   assert.match(CSS, /@media \(max-width: 760px\)[\s\S]*\.field-stack input,\s*[\s\S]*\.field-stack textarea,\s*[\s\S]*\.field-stack select\s*\{[\s\S]*min-height:\s*46px/);
   assert.match(CSS, /@media \(max-width: 760px\)[\s\S]*\.field-stack input,\s*[\s\S]*\.field-stack textarea,\s*[\s\S]*\.field-stack select\s*\{[\s\S]*font-size:\s*16px/);