diff --git a/core/src/scheduler/selector/FaissIVFFlatPass.cpp b/core/src/scheduler/selector/FaissIVFFlatPass.cpp
index 9c0860f929..f6f6b99790 100644
--- a/core/src/scheduler/selector/FaissIVFFlatPass.cpp
+++ b/core/src/scheduler/selector/FaissIVFFlatPass.cpp
@@ -12,6 +12,8 @@
 #include "scheduler/selector/FaissIVFFlatPass.h"
 #include "cache/GpuCacheMgr.h"
 #include "config/ServerConfig.h"
+#include "faiss/gpu/utils/DeviceUtils.h"
+#include "knowhere/index/vector_index/helpers/IndexParameter.h"
 #include "scheduler/SchedInst.h"
 #include "scheduler/Utils.h"
 #include "scheduler/task/SearchTask.h"
@@ -54,7 +56,11 @@ FaissIVFFlatPass::Run(const TaskPtr& task) {
         LOG_SERVER_DEBUG_ << LogOut("FaissIVFFlatPass: gpu disable, specify cpu to search!");
         res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
     } else if (search_task->nq() < threshold_) {
-        LOG_SERVER_DEBUG_ << LogOut("FaissIVFFlatPass: nq < gpu_search_threshold, specify cpu to search!");
+        LOG_SERVER_DEBUG_ << LogOut("FaissIVFFlatPass: nq < gpu_search_threshold, specify cpu to search! ");
+        res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
+    } else if (search_task->ExtraParam()[knowhere::IndexParams::nprobe].get<int64_t>() >
+               faiss::gpu::getMaxKSelection()) {
+        LOG_SERVER_DEBUG_ << LogOut("FaissIVFFlatPass: nprobe > gpu_max_nprobe_threshold, specify cpu to search!");
         res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
     } else {
         LOG_SERVER_DEBUG_ << LogOut("FaissIVFFlatPass: nq >= gpu_search_threshold, specify gpu %d to search!",
diff --git a/core/src/scheduler/selector/FaissIVFPQPass.cpp b/core/src/scheduler/selector/FaissIVFPQPass.cpp
index 4dae83a3ca..3bfe1a2081 100644
--- a/core/src/scheduler/selector/FaissIVFPQPass.cpp
+++ b/core/src/scheduler/selector/FaissIVFPQPass.cpp
@@ -12,6 +12,8 @@
 #include "scheduler/selector/FaissIVFPQPass.h"
 #include "cache/GpuCacheMgr.h"
 #include "config/ServerConfig.h"
+#include "faiss/gpu/utils/DeviceUtils.h"
+#include "knowhere/index/vector_index/helpers/IndexParameter.h"
 #include "scheduler/SchedInst.h"
 #include "scheduler/Utils.h"
 #include "scheduler/task/SearchTask.h"
@@ -58,6 +60,10 @@ FaissIVFPQPass::Run(const TaskPtr& task) {
     } else if (search_task->nq() < threshold_) {
         LOG_SERVER_DEBUG_ << LogOut("FaissIVFPQPass: nq < gpu_search_threshold, specify cpu to search!");
         res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
+    } else if (search_task->ExtraParam()[knowhere::IndexParams::nprobe].get<int64_t>() >
+               faiss::gpu::getMaxKSelection()) {
+        LOG_SERVER_DEBUG_ << LogOut("FaissIVFFlatPass: nprobe > gpu_max_nprobe_threshold, specify cpu to search!");
+        res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
     } else {
         LOG_SERVER_DEBUG_ << LogOut("FaissIVFPQPass: nq >= gpu_search_threshold, specify gpu %d to search!",
                                     search_gpus_[idx_]);
diff --git a/core/src/scheduler/selector/FaissIVFSQ8HPass.cpp b/core/src/scheduler/selector/FaissIVFSQ8HPass.cpp
index 71a9485145..5dc9fb1760 100644
--- a/core/src/scheduler/selector/FaissIVFSQ8HPass.cpp
+++ b/core/src/scheduler/selector/FaissIVFSQ8HPass.cpp
@@ -13,6 +13,8 @@
 #include "scheduler/selector/FaissIVFSQ8HPass.h"
 #include "cache/GpuCacheMgr.h"
 #include "config/ServerConfig.h"
+#include "faiss/gpu/utils/DeviceUtils.h"
+#include "knowhere/index/vector_index/helpers/IndexParameter.h"
 #include "scheduler/SchedInst.h"
 #include "scheduler/Utils.h"
 #include "scheduler/task/SearchTask.h"
@@ -55,6 +57,10 @@ FaissIVFSQ8HPass::Run(const TaskPtr& task) {
     } else if (search_task->nq() < threshold_) {
         LOG_SERVER_DEBUG_ << LogOut("FaissIVFSQ8HPass: nq < gpu_search_threshold, specify cpu to search!");
         res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
+    } else if (search_task->ExtraParam()[knowhere::IndexParams::nprobe].get<int64_t>() >
+               faiss::gpu::getMaxKSelection()) {
+        LOG_SERVER_DEBUG_ << LogOut("FaissIVFFlatPass: nprobe > gpu_max_nprobe_threshold, specify cpu to search!");
+        res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
     } else {
         LOG_SERVER_DEBUG_ << LogOut("FaissIVFSQ8HPass: nq >= gpu_search_threshold, specify gpu %d to search!",
                                     search_gpus_[idx_]);
diff --git a/core/src/scheduler/selector/FaissIVFSQ8Pass.cpp b/core/src/scheduler/selector/FaissIVFSQ8Pass.cpp
index 752c1a1918..0496ccd489 100644
--- a/core/src/scheduler/selector/FaissIVFSQ8Pass.cpp
+++ b/core/src/scheduler/selector/FaissIVFSQ8Pass.cpp
@@ -12,6 +12,8 @@
 #include "scheduler/selector/FaissIVFSQ8Pass.h"
 #include "cache/GpuCacheMgr.h"
 #include "config/ServerConfig.h"
+#include "faiss/gpu/utils/DeviceUtils.h"
+#include "knowhere/index/vector_index/helpers/IndexParameter.h"
 #include "scheduler/SchedInst.h"
 #include "scheduler/Utils.h"
 #include "scheduler/task/SearchTask.h"
@@ -56,6 +58,10 @@ FaissIVFSQ8Pass::Run(const TaskPtr& task) {
     } else if (search_task->nq() < threshold_) {
         LOG_SERVER_DEBUG_ << LogOut("FaissIVFSQ8Pass: nq < gpu_search_threshold, specify cpu to search!");
         res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
+    } else if (search_task->ExtraParam()[knowhere::IndexParams::nprobe].get<int64_t>() >
+               faiss::gpu::getMaxKSelection()) {
+        LOG_SERVER_DEBUG_ << LogOut("FaissIVFFlatPass: nprobe > gpu_max_nprobe_threshold, specify cpu to search!");
+        res_ptr = ResMgrInst::GetInstance()->GetResource("cpu");
     } else {
         LOG_SERVER_DEBUG_ << LogOut("FaissIVFSQ8Pass: nq >= gpu_search_threshold, specify gpu %d to search!",
                                     search_gpus_[idx_]);