diff --git a/runtime/settings-defaults.js b/runtime/settings-defaults.js
index 7b14539..a2866b0 100644
--- a/runtime/settings-defaults.js
+++ b/runtime/settings-defaults.js
@@ -19,8 +19,8 @@ export const defaultSettings = {
   timeoutMs: 300000,
   hideOldMessagesEnabled: false,
   hideOldMessagesKeepLastN: 12,
-  hideOldMessagesRenderLimitEnabled: false,
-  hideOldMessagesRenderLimit: 0,
+  hideOldMessagesRenderLimitEnabled: true,
+  hideOldMessagesRenderLimit: 10,
 
   // 提取设置
   extractEvery: 1,
diff --git a/tests/default-settings.mjs b/tests/default-settings.mjs
index c1c78dd..1737197 100644
--- a/tests/default-settings.mjs
+++ b/tests/default-settings.mjs
@@ -8,8 +8,8 @@ import {
 assert.equal(defaultSettings.extractContextTurns, 2);
 assert.equal(defaultSettings.extractActionMode, "pending");
 assert.equal(defaultSettings.extractAutoDelayLatestAssistant, false);
-assert.equal(defaultSettings.hideOldMessagesRenderLimitEnabled, false);
-assert.equal(defaultSettings.hideOldMessagesRenderLimit, 0);
+assert.equal(defaultSettings.hideOldMessagesRenderLimitEnabled, true);
+assert.equal(defaultSettings.hideOldMessagesRenderLimit, 10);
 assert.equal(defaultSettings.recallTopK, 20);
 assert.equal(defaultSettings.recallMaxNodes, 12);
 assert.equal(defaultSettings.recallEnableVectorPrefilter, true);