diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63611538ac..fcd5230e02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ Please mark all change in change log and use the issue from GitHub
 -   \#2598 fix Milvus docker image report illegal instruction
 -   \#2617 Fix HNSW and RNSG index files size
 -   \#2637 Suit the range of HNSW parameters
+-   \#2649 search parameter of annoy has conflict with document
 
 ## Feature
 
diff --git a/core/src/utils/ValidationUtil.cpp b/core/src/utils/ValidationUtil.cpp
index e650e0e87b..d2b4b39624 100644
--- a/core/src/utils/ValidationUtil.cpp
+++ b/core/src/utils/ValidationUtil.cpp
@@ -316,8 +316,8 @@ ValidationUtil::ValidateSearchParams(const milvus::json& search_params,
             break;
         }
         case (int32_t)engine::EngineType::ANNOY: {
-            auto status = CheckParameterRange(search_params, knowhere::IndexParams::search_k, topk,
-                                              std::numeric_limits<int64_t>::max());
+            auto status = CheckParameterRange(search_params, knowhere::IndexParams::search_k,
+                                              std::numeric_limits<int64_t>::min(), std::numeric_limits<int64_t>::max());
             if (!status.ok()) {
                 return status;
             }