diff --git a/services/cloudfiledaemon/src/fuse_manager/fuse_manager.cpp b/services/cloudfiledaemon/src/fuse_manager/fuse_manager.cpp
index 9c8cedbdf0f58718b67d2ed5d85db569f5c58372..d2c6fbce0112fafac227b98a067e816f95ee4507 100644
--- a/services/cloudfiledaemon/src/fuse_manager/fuse_manager.cpp
+++ b/services/cloudfiledaemon/src/fuse_manager/fuse_manager.cpp
@@ -84,7 +84,7 @@ static const unsigned int STAT_MODE_REG = 0770;
 static const unsigned int STAT_MODE_DIR = 0771;
 static const unsigned int MAX_READ_SIZE = 4 * 1024 * 1024;
 static const unsigned int KEY_FRAME_SIZE = 8192;
-static const unsigned int MAX_IDLE_THREADS = 10;
+static const unsigned int MAX_IDLE_THREADS = 6;
 static const unsigned int READ_CACHE_SLEEP = 10 * 1000;
 static const unsigned int CACHE_PAGE_NUM = 2;
 static const unsigned int HMDFS_IOC = 0xf2;