diff --git a/client/src/pages/EQPage.tsx b/client/src/pages/EQPage.tsx
index d94c5f9..651074e 100644
--- a/client/src/pages/EQPage.tsx
+++ b/client/src/pages/EQPage.tsx
@@ -190,6 +190,10 @@ export default function EQPage() {
   const skipBandsSyncFromAbToggleRef = useRef(false);
   /** 本地编辑过的预设（filters / preamp / autoPre）；syncPeq 拉取不会覆盖 */
   const peqPresetCacheRef = useRef<Record<string, PeqPresetLocalCache>>({});
+  /** Anchor UI selection by preset name so poll/catalog reorder won't mis-switch headphones. */
+  const selectedPeqNameRef = useRef("");
+  const devicePeqSelectRef = useRef(deviceState?.peqSelect);
+  devicePeqSelectRef.current = deviceState?.peqSelect;
   const headphoneMenuRef = useRef<HTMLDivElement | null>(null);
   const filterMenuRef = useRef<HTMLDivElement | null>(null);
   const bands = bandsByMode[abMode];
@@ -446,6 +450,11 @@ export default function EQPage() {
     });
   }, []);
 
+  const selectHeadphone = useCallback((idx: number, name?: string) => {
+    selectedPeqNameRef.current = name ?? "";
+    setHeadphoneIdx(idx);
+  }, []);
+
   const syncPeqCatalogFromState = useCallback(
     (
       remote: { peq?: PeqCatalogItem[]; peqSelect?: number },
@@ -455,14 +464,24 @@ export default function EQPage() {
       setPeqItems(items as typeof peqItems);
       setHeadphoneModels(items.map((item) => item.name));
       if (items.length === 0) {
+        selectedPeqNameRef.current = "";
         setHeadphoneIdx(0);
-        return;
+        return 0;
       }
-      const nextIdx = Math.min(
-        Math.max(devicePeqSelect ?? remote.peqSelect ?? 0, 0),
-        items.length - 1,
-      );
+      const preferred = selectedPeqNameRef.current;
+      let nextIdx =
+        preferred !== ""
+          ? items.findIndex((item) => item.name === preferred)
+          : -1;
+      if (nextIdx < 0) {
+        nextIdx = Math.min(
+          Math.max(devicePeqSelect ?? remote.peqSelect ?? 0, 0),
+          items.length - 1,
+        );
+      }
+      selectedPeqNameRef.current = items[nextIdx]?.name ?? "";
       setHeadphoneIdx(nextIdx);
+      return nextIdx;
     },
     [mergeRemotePeqCatalog],
   );
@@ -517,7 +536,7 @@ export default function EQPage() {
         window.clearTimeout(peqSyncTimerRef.current);
         peqSyncTimerRef.current = null;
       }
-      setHeadphoneIdx(idx);
+      selectHeadphone(idx, peqItems[idx]?.name);
       updateSetting({ peqSelect: idx });
       setIsHeadphoneMenuOpen(false);
     },
@@ -527,6 +546,7 @@ export default function EQPage() {
       peqItems,
       persistPresetEditsToPeqItem,
       rememberPeqPresetCache,
+      selectHeadphone,
       updateSetting,
     ],
   );
@@ -545,20 +565,18 @@ export default function EQPage() {
       });
     }
     lastPeqCatalogSyncKeyRef.current = buildPeqCatalogSyncKey(remote, resolvedPeqSelect);
-    syncPeqCatalogFromState(remote, resolvedPeqSelect);
+    const catalogIdx = syncPeqCatalogFromState(remote, resolvedPeqSelect);
 
-    const items = mergeRemotePeqCatalog((remote.peq ?? []) as PeqCatalogItem[]);
+    const items = remote.peq ?? [];
     if (items.length === 0) {
       setBandsForBothModes(DEFAULT_BANDS);
       setSelectedBandByMode({ A: 0, B: 0 });
       return;
     }
 
-    const nextIdx = Math.min(
-      Math.max(resolvedPeqSelect, 0),
-      items.length - 1,
+    const nextBands = normalizeFiltersFromPeq(
+      items[catalogIdx] as { filters?: any[] | string },
     );
-    const nextBands = normalizeFiltersFromPeq(items[nextIdx] as { filters?: any[] | string });
     if (nextBands.length > 0) {
       setBandsForBothModes(nextBands);
     }
@@ -664,7 +682,7 @@ export default function EQPage() {
         applyPeqStateToUI(latest as { peq?: Array<{ name: string; filters?: any[] | string }>; peqSelect?: number });
         const createdIndex = latest.peq?.findIndex((item) => item.name === nextName) ?? -1;
         if (createdIndex >= 0) {
-          setHeadphoneIdx(createdIndex);
+          selectHeadphone(createdIndex, nextName);
           updateSetting({ peqSelect: createdIndex });
         }
       } else {
@@ -688,7 +706,7 @@ export default function EQPage() {
             canDel: 1,
           },
         ]);
-        setHeadphoneIdx(headphoneModels.length);
+        selectHeadphone(headphoneModels.length, nextName);
       }
       setIsAddPresetDialogOpen(false);
       toast.success(eqUi.toastAddPresetOk);
@@ -737,7 +755,7 @@ export default function EQPage() {
         applyPeqStateToUI(latest as { peq?: Array<{ name: string; filters?: any[] | string }>; peqSelect?: number });
         const createdIndex = latest.peq?.findIndex((item) => item.name === nextName) ?? -1;
         if (createdIndex >= 0) {
-          setHeadphoneIdx(createdIndex);
+          selectHeadphone(createdIndex, nextName);
           updateSetting({ peqSelect: createdIndex });
         }
       } else {
@@ -752,7 +770,7 @@ export default function EQPage() {
             canDel: currentPeq?.canDel ?? 1,
           },
         ]);
-        setHeadphoneIdx(headphoneModels.length);
+        selectHeadphone(headphoneModels.length, nextName);
       }
       setIsSaveBDialogOpen(false);
       toast.success(eqUi.toastSaveBOk);
@@ -822,7 +840,7 @@ export default function EQPage() {
           applyPeqStateToUI(latest as { peq?: Array<{ name: string; filters?: any[] | string }>; peqSelect?: number });
           const targetIdx = latest.peq?.findIndex((item) => item.name === nextName) ?? -1;
           if (targetIdx >= 0) {
-            setHeadphoneIdx(targetIdx);
+            selectHeadphone(targetIdx, nextName);
             updateSetting({ peqSelect: targetIdx });
           }
         } else if (isOverwrite) {
@@ -844,7 +862,7 @@ export default function EQPage() {
                 : item,
             ),
           );
-          setHeadphoneIdx(existingIdx);
+          selectHeadphone(existingIdx, nextName);
         } else {
           setHeadphoneModels((prev) => [...prev, nextName]);
           setPeqItems((prev) => [
@@ -861,7 +879,7 @@ export default function EQPage() {
               canDel: 1,
             },
           ]);
-          setHeadphoneIdx(headphoneModels.length);
+          selectHeadphone(headphoneModels.length, nextName);
         }
         toast.success(eqUi.importSuccess);
         setIsShareDialogOpen(false);
@@ -891,56 +909,15 @@ export default function EQPage() {
 
   // 加载耳机列表并初始化曲线
   useEffect(() => {
+    let cancelled = false;
+
     async function loadHeadphones() {
       peqHydrationPendingRef.current = true;
       allowPeqRemoteSyncRef.current = false;
       try {
-      if (isDemoMode || !api) {
-        // 演示模式使用默认列表
-        const defaultModels = [
-          "Sennheiser HD 650",
-          "Sennheiser HD 800",
-          "Sony WH-1000XM5",
-          "AKG K701",
-          "Beyerdynamic DT 990",
-          "Audio-Technica ATH-M50x",
-        ];
-        setHeadphoneModels(defaultModels);
-        setPeqItems(defaultModels.map(name => ({ name, filters: [] })));
-        setCurrentRawCurve(null);
-        return;
-      }
-      try {
-        const loadedPeq = await fetchEqSyncPeq(api, "loadHeadphones");
-        if (loadedPeq.peq && loadedPeq.peq.length > 0) {
-          const mergedPeq = mergeRemotePeqCatalog(loadedPeq.peq);
-          setHeadphoneModels(mergedPeq.map((h) => h.name));
-          setPeqItems(mergedPeq);
-          const nextIdx = Math.min(
-            Math.max(deviceState?.peqSelect ?? loadedPeq.peqSelect ?? 0, 0),
-            mergedPeq.length - 1,
-          );
-          setHeadphoneIdx(nextIdx);
-          lastPeqCatalogSyncKeyRef.current = buildPeqCatalogSyncKey(loadedPeq, deviceState?.peqSelect);
-
-          // 初始化当前选中的耳机曲线
-          const currentPeq = mergedPeq[nextIdx];
-          if (currentPeq) {
-            // 修复 filters 数据（兼容不同的字段名）
-            const fixedFilters = normalizeFiltersFromPeq(currentPeq);
-
-            // 更新 bands 状态
-            if (fixedFilters && fixedFilters.length > 0) {
-              setBandsForBothModes(fixedFilters);
-              setSelectedBandByMode({ A: 0, B: 0 });
-            }
-
-            // raw 与图表渲染统一交给 headphoneIdx/peqItems 监听逻辑处理，
-            // 避免首次进入页面时重复请求 modelCurve。
-
-          }
-        } else {
-          // 如果没有数据，使用默认列表
+        if (isDemoMode || !api) {
+          if (cancelled) return;
+          // 演示模式使用默认列表
           const defaultModels = [
             "Sennheiser HD 650",
             "Sennheiser HD 800",
@@ -951,32 +928,91 @@ export default function EQPage() {
           ];
           setHeadphoneModels(defaultModels);
           setPeqItems(defaultModels.map(name => ({ name, filters: [] })));
+          selectHeadphone(0, defaultModels[0]);
+          setCurrentRawCurve(null);
+          return;
+        }
+        try {
+          const loadedPeq = await fetchEqSyncPeq(api, "loadHeadphones");
+          if (cancelled) return;
+          if (loadedPeq.peq && loadedPeq.peq.length > 0) {
+            const mergedPeq = mergeRemotePeqCatalog(loadedPeq.peq);
+            setHeadphoneModels(mergedPeq.map((h) => h.name));
+            setPeqItems(mergedPeq);
+            const nextIdx = Math.min(
+              Math.max(
+                devicePeqSelectRef.current ?? loadedPeq.peqSelect ?? 0,
+                0,
+              ),
+              mergedPeq.length - 1,
+            );
+            selectHeadphone(nextIdx, mergedPeq[nextIdx]?.name);
+            lastPeqCatalogSyncKeyRef.current = buildPeqCatalogSyncKey(
+              loadedPeq,
+              devicePeqSelectRef.current ?? loadedPeq.peqSelect,
+            );
+
+            // 初始化当前选中的耳机曲线
+            const currentPeq = mergedPeq[nextIdx];
+            if (currentPeq) {
+              // 修复 filters 数据（兼容不同的字段名）
+              const fixedFilters = normalizeFiltersFromPeq(currentPeq);
+
+              // 更新 bands 状态
+              if (fixedFilters && fixedFilters.length > 0) {
+                setBandsForBothModes(fixedFilters);
+                setSelectedBandByMode({ A: 0, B: 0 });
+              }
+
+              // raw 与图表渲染统一交给 headphoneIdx/peqItems 监听逻辑处理，
+              // 避免首次进入页面时重复请求 modelCurve。
+
+            }
+          } else {
+            // 如果没有数据，使用默认列表
+            const defaultModels = [
+              "Sennheiser HD 650",
+              "Sennheiser HD 800",
+              "Sony WH-1000XM5",
+              "AKG K701",
+              "Beyerdynamic DT 990",
+              "Audio-Technica ATH-M50x",
+            ];
+            setHeadphoneModels(defaultModels);
+            setPeqItems(defaultModels.map(name => ({ name, filters: [] })));
+            selectHeadphone(0, defaultModels[0]);
+            setCurrentRawCurve(null);
+          }
+        } catch {
+          if (cancelled) return;
+          // 出错时使用默认列表
+          const defaultModels = [
+            "Sennheiser HD 650",
+            "Sennheiser HD 800",
+            "Sony WH-1000XM5",
+            "AKG K701",
+            "Beyerdynamic DT 990",
+            "Audio-Technica ATH-M50x",
+          ];
+          setHeadphoneModels(defaultModels);
+          setPeqItems(defaultModels.map(name => ({ name, filters: [] })));
+          selectHeadphone(0, defaultModels[0]);
           setCurrentRawCurve(null);
         }
-      } catch {
-        // 出错时使用默认列表
-        const defaultModels = [
-          "Sennheiser HD 650",
-          "Sennheiser HD 800",
-          "Sony WH-1000XM5",
-          "AKG K701",
-          "Beyerdynamic DT 990",
-          "Audio-Technica ATH-M50x",
-        ];
-        setHeadphoneModels(defaultModels);
-        setPeqItems(defaultModels.map(name => ({ name, filters: [] })));
-        setCurrentRawCurve(null);
-      }
       } finally {
+        if (cancelled) return;
         allowPeqRemoteSyncRef.current = true;
         skipPeqAutoSyncRef.current = true;
         queueMicrotask(() => {
-          peqHydrationPendingRef.current = false;
+          if (!cancelled) peqHydrationPendingRef.current = false;
         });
       }
     }
-    loadHeadphones();
-  }, [api, isDemoMode, loadRawCurveForPeq, mergeRemotePeqCatalog, deviceState?.peqSelect]);
+    void loadHeadphones();
+    return () => {
+      cancelled = true;
+    };
+  }, [api, isDemoMode, mergeRemotePeqCatalog, selectHeadphone, setCurrentRawCurve]);
 
   /** 切换耳机型号时变；不含 filters，避免编辑时写回 peqItems 把 B 试听曲线重置 */
   const headphoneSwitchKey = useMemo(() => {
@@ -1786,7 +1822,7 @@ export default function EQPage() {
                 applyPeqStateToUI(latest as { peq?: Array<{ name: string; filters?: any[] | string }>; peqSelect?: number });
                 const targetIdx = latest.peq?.findIndex((item) => item.name === createdName) ?? -1;
                 if (targetIdx >= 0) {
-                  setHeadphoneIdx(targetIdx);
+                  selectHeadphone(targetIdx, createdName);
                   updateSetting({ peqSelect: targetIdx });
                 }
               } else if (isOverwrite) {
@@ -1808,7 +1844,7 @@ export default function EQPage() {
                       : item,
                   ),
                 );
-                setHeadphoneIdx(existingIdx);
+                selectHeadphone(existingIdx, createdName);
               } else {
                 let nextIndex = 0;
                 setPeqItems((prev) => [
@@ -1829,7 +1865,7 @@ export default function EQPage() {
                   nextIndex = prev.length;
                   return [...prev, createdName];
                 });
-                setHeadphoneIdx(nextIndex);
+                selectHeadphone(nextIndex, createdName);
               }
               setIsBrandDrawerOpen(false);
             } catch {
@@ -1909,6 +1945,9 @@ export default function EQPage() {
         }}
         onRenamePreset={async (oldName, newName, item) => {
           try {
+            if (selectedPeqNameRef.current === oldName) {
+              selectedPeqNameRef.current = newName;
+            }
             if (isDemoMode || !api) {
               const nextItems = peqItems.map(it =>
                 it.name === oldName ? { ...it, name: newName } : it