diff --git a/services/distributeddataservice/framework/include/thread/thread_manager.h b/services/distributeddataservice/framework/include/thread/thread_manager.h
index f1ed13cea833957b644977fd5346f9cc142246e5..c435b8ddcb4957056c8b5407b78568a4b2627292 100644
--- a/services/distributeddataservice/framework/include/thread/thread_manager.h
+++ b/services/distributeddataservice/framework/include/thread/thread_manager.h
@@ -29,7 +29,7 @@ public:
 
 private:
     ThreadManager();
-    uint32_t minThreadNum_ = 4;  // default min executor pool thread num
+    uint32_t minThreadNum_ = 2;  // default min executor pool thread num
     uint32_t maxThreadNum_ = 12; // default max executor pool thread num
     uint32_t ipcThreadNum_ = 16; // normal ipc num
 };