diff --git a/index.js b/index.js
index 106b902..ce68037 100644
--- a/index.js
+++ b/index.js
@@ -473,6 +473,7 @@ const defaultSettings = {
   enableReflection: true, // 启用反思
   reflectEveryN: 10, // 每 N 次提取后反思
   consolidationAutoMinNewNodes: 2,
+  enableAutoCompression: true,
   compressionEveryN: 10,
 
   // UI 面板
@@ -2705,6 +2706,18 @@ function migrateLegacyAutoMaintenanceSettings(loaded = {}) {
       50,
     );
   }
+  if (!Object.prototype.hasOwnProperty.call(migrated, "enableAutoCompression")) {
+    const parsedEveryN = Math.floor(Number(migrated.compressionEveryN));
+    migrated.enableAutoCompression = !(
+      Number.isFinite(parsedEveryN) && parsedEveryN <= 0
+    );
+  }
+  if (
+    Object.prototype.hasOwnProperty.call(migrated, "compressionEveryN") &&
+    Math.floor(Number(migrated.compressionEveryN)) <= 0
+  ) {
+    migrated.compressionEveryN = defaultSettings.compressionEveryN;
+  }
   delete migrated.maintenanceAutoMinNewNodes;
   return migrated;
 }
@@ -5046,15 +5059,21 @@ function evaluateAutoCompressionSchedule(
   currentExtractionCount,
   settings = {},
 ) {
-  const everyN = clampInt(settings.compressionEveryN, 10, 0, 500);
+  const enabled = settings.enableAutoCompression !== false;
+  const everyN = clampInt(
+    settings.compressionEveryN,
+    defaultSettings.compressionEveryN,
+    1,
+    500,
+  );
   const safeExtractionCount = Math.max(0, Number(currentExtractionCount) || 0);
 
-  if (everyN <= 0) {
+  if (!enabled) {
     return {
       scheduled: false,
       everyN,
       nextExtractionCount: null,
-      reason: "自动压缩已关闭",
+      reason: "自动压缩开关已关闭",
     };
   }
 
@@ -7266,20 +7285,19 @@ async function handleExtractionSuccess(
     typeof evaluateAutoCompressionSchedule === "function"
       ? evaluateAutoCompressionSchedule
       : (currentCount, localSettings = {}) => {
-          const parsedEveryN = Math.floor(
-            Number(localSettings?.compressionEveryN),
-          );
+          const enabled = localSettings?.enableAutoCompression !== false;
+          const parsedEveryN = Math.floor(Number(localSettings?.compressionEveryN));
           const everyN =
-            Number.isFinite(parsedEveryN) && parsedEveryN >= 0
+            Number.isFinite(parsedEveryN) && parsedEveryN >= 1
               ? Math.min(500, parsedEveryN)
               : 10;
           const safeCount = Math.max(0, Number(currentCount) || 0);
-          if (everyN <= 0) {
+          if (!enabled) {
             return {
               scheduled: false,
               everyN,
               nextExtractionCount: null,
-              reason: "自动压缩已关闭",
+              reason: "自动压缩开关已关闭",
             };
           }
           const remainder = safeCount % everyN;
diff --git a/panel.html b/panel.html
index 5784997..0c41ec6 100644
--- a/panel.html
+++ b/panel.html
@@ -939,6 +939,21 @@
                         type="checkbox"
                       />
                     </label>
+                    <label
+                      class="bme-toggle-item"
+                      for="bme-setting-auto-compression-enabled"
+                    >
+                      <span class="bme-toggle-copy">
+                        <span class="bme-toggle-title">启用自动压缩</span>
+                        <span class="bme-toggle-desc"
+                          >按提取周期做层级压缩，减少同类记忆越积越散。</span
+                        >
+                      </span>
+                      <input
+                        id="bme-setting-auto-compression-enabled"
+                        type="checkbox"
+                      />
+                    </label>
                     <label
                       class="bme-toggle-item"
                       for="bme-setting-prob-recall-enabled"
@@ -1936,14 +1951,20 @@
                   </div>
                 </div>
 
-                <div class="bme-config-card">
+                <div
+                  class="bme-config-card bme-guarded-card"
+                  data-guard-settings="enableAutoCompression"
+                >
                   <div class="bme-config-card-head">
                     <div>
                       <div class="bme-config-card-title">自动压缩周期</div>
                       <div class="bme-config-card-subtitle">
-                        按提取次数计数；到周期点时才尝试自动压缩。填 0 表示关闭。
+                        按提取次数计数；只有到周期点时才会尝试自动压缩。
                       </div>
                     </div>
+                    <div class="bme-config-guard-note">
+                      在“功能开关”中启用后生效。
+                    </div>
                   </div>
                   <div class="bme-config-row">
                     <label for="bme-setting-compression-every"
@@ -1953,7 +1974,7 @@
                       id="bme-setting-compression-every"
                       class="bme-config-input"
                       type="number"
-                      min="0"
+                      min="1"
                       max="500"
                     />
                   </div>
diff --git a/panel.js b/panel.js
index efcab69..b68439a 100644
--- a/panel.js
+++ b/panel.js
@@ -1620,6 +1620,10 @@ function _refreshConfigTab() {
     "bme-setting-sleep-cycle-enabled",
     settings.enableSleepCycle ?? false,
   );
+  _setCheckboxValue(
+    "bme-setting-auto-compression-enabled",
+    settings.enableAutoCompression ?? true,
+  );
   _setCheckboxValue(
     "bme-setting-prob-recall-enabled",
     settings.enableProbRecall ?? false,
@@ -1944,6 +1948,10 @@ function _bindConfigControls() {
     _patchSettings({ enableSleepCycle: checked });
     _refreshGuardedConfigStates();
   });
+  bindCheckbox("bme-setting-auto-compression-enabled", (checked) => {
+    _patchSettings({ enableAutoCompression: checked });
+    _refreshGuardedConfigStates();
+  });
   bindCheckbox("bme-setting-prob-recall-enabled", (checked) => {
     _patchSettings({ enableProbRecall: checked });
     _refreshGuardedConfigStates();
diff --git a/tests/default-settings.mjs b/tests/default-settings.mjs
index f02f371..88f84fc 100644
--- a/tests/default-settings.mjs
+++ b/tests/default-settings.mjs
@@ -126,6 +126,7 @@ assert.equal(defaultSettings.injectDepth, 9999);
 assert.equal(defaultSettings.enabled, true);
 assert.equal(defaultSettings.enableReflection, true);
 assert.equal(defaultSettings.consolidationAutoMinNewNodes, 2);
+assert.equal(defaultSettings.enableAutoCompression, true);
 assert.equal(defaultSettings.compressionEveryN, 10);
 assert.equal("maintenanceAutoMinNewNodes" in defaultSettings, false);
 assert.equal(defaultSettings.embeddingTransportMode, "direct");
@@ -138,7 +139,17 @@ const migratedSettings = mergePersistedSettings({
   maintenanceAutoMinNewNodes: 7,
 });
 assert.equal(migratedSettings.consolidationAutoMinNewNodes, 7);
+assert.equal(migratedSettings.enableAutoCompression, true);
 assert.equal(migratedSettings.compressionEveryN, 10);
 assert.equal("maintenanceAutoMinNewNodes" in migratedSettings, false);
 
+const migratedLegacyCompressionDisabled = mergePersistedSettings({
+  compressionEveryN: 0,
+});
+assert.equal(migratedLegacyCompressionDisabled.enableAutoCompression, false);
+assert.equal(
+  migratedLegacyCompressionDisabled.compressionEveryN,
+  defaultSettings.compressionEveryN,
+);
+
 console.log("default-settings tests passed");
diff --git a/tests/p0-regressions.mjs b/tests/p0-regressions.mjs
index 6fec55d..6349604 100644
--- a/tests/p0-regressions.mjs
+++ b/tests/p0-regressions.mjs
@@ -2679,7 +2679,8 @@ async function testAutoConsolidationRunsOnHighDuplicateRiskSingleNode() {
       enableConsolidation: true,
       consolidationAutoMinNewNodes: 2,
       consolidationThreshold: 0.85,
-      compressionEveryN: 0,
+      enableAutoCompression: false,
+      compressionEveryN: 10,
       enableSynopsis: false,
       enableReflection: false,
       enableSleepCycle: false,
@@ -2706,7 +2707,7 @@ async function testAutoConsolidationRunsOnHighDuplicateRiskSingleNode() {
   assert.equal(effects.batchStatus.autoCompressionScheduled, false);
   assert.match(
     effects.batchStatus.autoCompressionSkippedReason,
-    /自动压缩已关闭/,
+    /自动压缩.*已关闭/,
   );
 }
 
@@ -2756,7 +2757,8 @@ async function testAutoConsolidationSkipsLowRiskSingleNode() {
       enableConsolidation: true,
       consolidationAutoMinNewNodes: 2,
       consolidationThreshold: 0.85,
-      compressionEveryN: 0,
+      enableAutoCompression: false,
+      compressionEveryN: 10,
       enableSynopsis: false,
       enableReflection: false,
       enableSleepCycle: false,
@@ -2822,6 +2824,7 @@ async function testAutoCompressionRunsOnlyOnConfiguredInterval() {
     8,
     {
       enableConsolidation: false,
+      enableAutoCompression: true,
       compressionEveryN: 10,
       enableSynopsis: false,
       enableReflection: false,
@@ -2873,6 +2876,7 @@ async function testAutoCompressionSkipsWhenNotScheduledOrNoCandidates() {
     9,
     {
       enableConsolidation: false,
+      enableAutoCompression: true,
       compressionEveryN: 10,
       enableSynopsis: false,
       enableReflection: false,
@@ -2930,6 +2934,7 @@ async function testAutoCompressionSkipsWhenNotScheduledOrNoCandidates() {
     10,
     {
       enableConsolidation: false,
+      enableAutoCompression: true,
       compressionEveryN: 10,
       enableSynopsis: false,
       enableReflection: false,