diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a2abb7beb76d..768c52f3e17f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,7 @@ Please mark all change in change log and use the issue from GitHub
 -   \#1653 IndexFlat (SSE) and IndexBinaryFlat performance improvement for small NQ
 -   \#1678 Remove CUSTOMIZATION macro 
 -   \#1698 Upgrade mishards to v0.7.0
+-   \#1719 Improve Milvus log
 
 ## Task
 
diff --git a/core/src/db/engine/ExecutionEngineImpl.cpp b/core/src/db/engine/ExecutionEngineImpl.cpp
index 6741cf610f664..5802557f01c6a 100644
--- a/core/src/db/engine/ExecutionEngineImpl.cpp
+++ b/core/src/db/engine/ExecutionEngineImpl.cpp
@@ -775,7 +775,6 @@ ExecutionEngineImpl::Search(int64_t n, const float* data, int64_t k, const milvu
     milvus::json conf = extra_params;
     conf[knowhere::meta::TOPK] = k;
     auto adapter = knowhere::AdapterMgr::GetInstance().GetAdapter(index_->index_type());
-    ENGINE_LOG_DEBUG << "Search params: " << conf.dump();
     if (!adapter->CheckSearch(conf, index_->index_type(), index_->index_mode())) {
         throw Exception(DB_ERROR, "Illegal search params");
     }
@@ -813,7 +812,6 @@ ExecutionEngineImpl::Search(int64_t n, const uint8_t* data, int64_t k, const mil
     milvus::json conf = extra_params;
     conf[knowhere::meta::TOPK] = k;
     auto adapter = knowhere::AdapterMgr::GetInstance().GetAdapter(index_->index_type());
-    ENGINE_LOG_DEBUG << "Search params: " << conf.dump();
     if (!adapter->CheckSearch(conf, index_->index_type(), index_->index_mode())) {
         throw Exception(DB_ERROR, "Illegal search params");
     }
@@ -851,7 +849,6 @@ ExecutionEngineImpl::Search(int64_t n, const std::vector<int64_t>& ids, int64_t
     milvus::json conf = extra_params;
     conf[knowhere::meta::TOPK] = k;
     auto adapter = knowhere::AdapterMgr::GetInstance().GetAdapter(index_->index_type());
-    ENGINE_LOG_DEBUG << "Search params: " << conf.dump();
     if (!adapter->CheckSearch(conf, index_->index_type(), index_->index_mode())) {
         throw Exception(DB_ERROR, "Illegal search params");
     }