diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
index df7cd9183b..402e65fb10 100644
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -44,7 +44,7 @@ if(NOT GIT_BRANCH_NAME STREQUAL "")
     string(REGEX REPLACE "\n" "" GIT_BRANCH_NAME ${GIT_BRANCH_NAME})
 endif()
 
-set(MILVUS_VERSION "${GIT_BRANCH_NAME}")
+set(MILVUS_VERSION "0.5.1")
 string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]" MILVUS_VERSION "${MILVUS_VERSION}")
 
 find_package(ClangTools)
diff --git a/core/src/index/cmake/ThirdPartyPackagesCore.cmake b/core/src/index/cmake/ThirdPartyPackagesCore.cmake
index c066f7b392..66ad5e9bbe 100644
--- a/core/src/index/cmake/ThirdPartyPackagesCore.cmake
+++ b/core/src/index/cmake/ThirdPartyPackagesCore.cmake
@@ -246,7 +246,8 @@ if(CUSTOMIZATION)
         # set(FAISS_MD5 "c89ea8e655f5cdf58f42486f13614714") # commit-id 9c28a1cbb88f41fa03b03d7204106201ad33276b branch-0.2.1
         # set(FAISS_MD5 "87fdd86351ffcaf3f80dc26ade63c44b") # commit-id 841a156e67e8e22cd8088e1b58c00afbf2efc30b branch-0.2.1
         # set(FAISS_MD5 "f3b2ce3364c3fa7febd3aa7fdd0fe380") # commit-id 694e03458e6b69ce8a62502f71f69a614af5af8f branch-0.3.0
-         set(FAISS_MD5 "bb30722c22390ce5f6759ccb216c1b2a") # commit-id d324db297475286afe107847c7fb7a0f9dc7e90e branch-0.3.0
+        # set(FAISS_MD5 "bb30722c22390ce5f6759ccb216c1b2a") # commit-id d324db297475286afe107847c7fb7a0f9dc7e90e branch-0.3.0
+        set(FAISS_MD5 "2293cdb209c3718e3b19f3edae8b32b3") # commit-id a13c1205dc52977a9ad3b33a14efa958604a8bff branch-0.3.0
     endif()
 else()
     set(FAISS_SOURCE_URL "https://github.com/milvus-io/faiss/archive/1.6.0.tar.gz")
diff --git a/core/src/scheduler/job/BuildIndexJob.cpp b/core/src/scheduler/job/BuildIndexJob.cpp
index 4c4c3b5054..3247383db3 100644
--- a/core/src/scheduler/job/BuildIndexJob.cpp
+++ b/core/src/scheduler/job/BuildIndexJob.cpp
@@ -50,7 +50,10 @@ void
 BuildIndexJob::BuildIndexDone(size_t to_index_id) {
     std::unique_lock<std::mutex> lock(mutex_);
     to_index_files_.erase(to_index_id);
-    cv_.notify_all();
+    if (to_index_files_.empty()) {
+        cv_.notify_all();
+    }
+
     SERVER_LOG_DEBUG << "BuildIndexJob " << id() << " finish index file: " << to_index_id;
 }
 
diff --git a/core/src/scheduler/job/SearchJob.cpp b/core/src/scheduler/job/SearchJob.cpp
index ee41c1ae06..ec93c69f55 100644
--- a/core/src/scheduler/job/SearchJob.cpp
+++ b/core/src/scheduler/job/SearchJob.cpp
@@ -49,7 +49,10 @@ void
 SearchJob::SearchDone(size_t index_id) {
     std::unique_lock<std::mutex> lock(mutex_);
     index_files_.erase(index_id);
-    cv_.notify_all();
+    if (index_files_.empty()) {
+        cv_.notify_all();
+    }
+
     SERVER_LOG_DEBUG << "SearchJob " << id() << " finish index file: " << index_id;
 }
 
diff --git a/core/src/wrapper/ConfAdapter.cpp b/core/src/wrapper/ConfAdapter.cpp
index 2dcf6bab7e..4ac8e22f52 100644
--- a/core/src/wrapper/ConfAdapter.cpp
+++ b/core/src/wrapper/ConfAdapter.cpp
@@ -109,7 +109,7 @@ IVFSQConfAdapter::Match(const TempMetaConf& metaconf) {
     conf->nlist = MatchNlist(metaconf.size, metaconf.nlist);
     conf->d = metaconf.dim;
     conf->metric_type = metaconf.metric_type;
-    conf->gpu_id = conf->gpu_id;
+    conf->gpu_id = metaconf.gpu_id;
     conf->nbits = 8;
     MatchBase(conf);
     return conf;