diff --git a/code/th_05_persistence.js b/code/th_05_persistence.js
index 9152186..7444fdc 100644
--- a/code/th_05_persistence.js
+++ b/code/th_05_persistence.js
@@ -153,24 +153,23 @@ FloatBallAppWM.prototype.setPendingValue = function(k, v) {
   if (!this.state.pendingUserCfg) this.beginEditConfig();
   this.state.pendingUserCfg[k] = v;
   this.state.pendingDirty = true;
-  if (this.state.previewMode) {
-      // 设置页主题切换需要重建整个设置页 UI（配色来自 buildSettingsGroupPanelView）
-      if (String(k) === "SETTINGS_THEME") {
-          try {
-              if (this.state.toolAppActive && this.replaceToolAppPage) {
-                  this.replaceToolAppPage("settings_group");
-              } else {
-                  // 非 ToolApp 模式：销毁旧设置面板重建
-                  if (this.state.settingsPanel) {
-                      this.safeRemoveView(this.state.settingsPanel, "settingsPanel");
-                      this.state.settingsPanel = null;
-                      this.state.settingsPanelLp = null;
-                      this.state.addedSettings = false;
-                  }
-                  this.replaceToolAppPage("settings_group");
+
+  // 设置页主题切换：不论 previewMode 都重建设置页 UI
+  if (String(k) === "SETTINGS_THEME") {
+      try {
+          if (this.state.toolAppActive && this.replaceToolAppPage) {
+              this.replaceToolAppPage("settings_group");
+          } else {
+              if (this.state.settingsPanel) {
+                  this.safeRemoveView(this.state.settingsPanel, "settingsPanel");
+                  this.state.settingsPanel = null;
+                  this.state.settingsPanelLp = null;
+                  this.state.addedSettings = false;
               }
-          } catch(eReb) { safeLog(null, 'e', "catch " + String(eReb)); }
-      }
+              this.replaceToolAppPage("settings_group");
+          }
+      } catch(eReb) { safeLog(null, 'e', "catch " + String(eReb)); }
+  } else if (this.state.previewMode) {
       this.refreshPreview(k);
   }
 };
diff --git a/manifest.json b/manifest.json
index b2b1447..34e2c89 100644
--- a/manifest.json
+++ b/manifest.json
@@ -18,8 +18,8 @@
       "size": 38293
     },
     "th_05_persistence.js": {
-      "sha256": "2aac4db26a0f1969d3b47fd23ce24e1da5cc42658aa5762d52a9f2a1285bd547",
-      "size": 14953
+      "sha256": "2b5b667912c8c1a808d7925fc619e917b46244a73405af1eca9dd567312f9b9d",
+      "size": 14790
     },
     "th_06_icon_parser.js": {
       "sha256": "25b95a5df634a7ee359f3ab798e4d3154a71c24016f7b4bf8a658096644b2484",
@@ -68,5 +68,5 @@
   },
   "keyId": "toolhub-targets-2026-rsa3072",
   "schema": 2,
-  "version": 20260514182424
+  "version": 20260514182651
 }
diff --git a/manifest.sig b/manifest.sig
index 70faa65..a2150ac 100644
--- a/manifest.sig
+++ b/manifest.sig
@@ -1 +1 @@
-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