diff --git a/modules/apps/bootstrap-all/src/main/resources/application.yml b/modules/apps/bootstrap-all/src/main/resources/application.yml
index dc8b5ecd..eb6a8e76 100644
--- a/modules/apps/bootstrap-all/src/main/resources/application.yml
+++ b/modules/apps/bootstrap-all/src/main/resources/application.yml
@@ -91,7 +91,7 @@ lingniu:
       parse:
         lenient-block-failure: true
       diagnostics:
-        max-logged-frame-keys-per-channel: 128
+        max-logged-frame-keys-per-channel: ${GB32960_DIAGNOSTICS_MAX_LOGGED_FRAME_KEYS_PER_CHANNEL:4096}
     jt808:
       # 1078 信令和 JSATL12 嵌入 JT808 信令都依赖本模块；一体化启动默认开启，
       # 需要只跑 GB32960 时可用 JT808_ENABLED=false 显式关闭。