diff --git a/mace/benchmark/benchmark_model.cc b/mace/benchmark/benchmark_model.cc
index 746a6c8952ea3e64d25d01fc08b124e6334a2565..5be6d77778963531ecebc0b0cb6aad1963732846 100644
--- a/mace/benchmark/benchmark_model.cc
+++ b/mace/benchmark/benchmark_model.cc
@@ -261,6 +261,9 @@ int Main(int argc, char **argv) {
     mace::SetGPUHints(
         static_cast<GPUPerfHint>(FLAGS_gpu_perf_hint),
         static_cast<GPUPriorityHint>(FLAGS_gpu_priority_hint));
+
+    std::vector<std::string> opencl_binary_paths = {FLAGS_opencl_binary_file};
+    mace::SetOpenCLBinaryPaths(opencl_binary_paths);
   }
 #endif  // MACE_ENABLE_OPENCL
 
@@ -273,11 +276,6 @@ int Main(int argc, char **argv) {
       new FileStorageFactory(kernel_file_path));
   SetKVStorageFactory(storage_factory);
 
-  if (device_type == DeviceType::GPU) {
-    std::vector<std::string> opencl_binary_paths = {FLAGS_opencl_binary_file};
-    mace::SetOpenCLBinaryPaths(opencl_binary_paths);
-  }
-
   // Create Engine
   std::shared_ptr<mace::MaceEngine> engine;
   MaceStatus create_engine_status;
diff --git a/mace/core/file_storage.cc b/mace/core/file_storage.cc
index 20e98c5431ff02dc561714f0208e1c157d5235d9..4d93da5106d74f13e1668e71fd6ef4bae4c5fc73 100644
--- a/mace/core/file_storage.cc
+++ b/mace/core/file_storage.cc
@@ -68,7 +68,7 @@ int FileStorage::Load() {
       return 0;
     } else {
       LOG(WARNING) << "Stat file " << file_path_
-                   << " failed, error code: " << errno;
+                   << " failed, error code: " << strerror(errno);
       return -1;
     }
   }
@@ -81,7 +81,7 @@ int FileStorage::Load() {
       return 0;
     } else {
       LOG(WARNING) << "open file " << file_path_
-                   << " failed, error code: " << errno;
+                   << " failed, error code: " << strerror(errno);
       return -1;
     }
   }
@@ -92,12 +92,12 @@ int FileStorage::Load() {
   int res = 0;
   if (file_data == MAP_FAILED) {
     LOG(WARNING) << "mmap file " << file_path_
-                 << " failed, error code: " << errno;
+                 << " failed, error code: " << strerror(errno);
 
     res = close(fd);
     if (res != 0) {
       LOG(WARNING) << "close file " << file_path_
-                   << " failed, error code: " << errno;
+                   << " failed, error code: " << strerror(errno);
     }
     return -1;
   }
@@ -130,18 +130,18 @@ int FileStorage::Load() {
   res = munmap(file_data, file_size);
   if (res != 0) {
     LOG(WARNING) << "munmap file " << file_path_
-                 << " failed, error code: " << errno;
+                 << " failed, error code: " << strerror(errno);
     res = close(fd);
     if (res != 0) {
       LOG(WARNING) << "close file " << file_path_
-                   << " failed, error code: " << errno;
+                   << " failed, error code: " << strerror(errno);
     }
     return -1;
   }
   res = close(fd);
   if (res != 0) {
     LOG(WARNING) << "close file " << file_path_
-                 << " failed, error code: " << errno;
+                 << " failed, error code: " << strerror(errno);
     return -1;
   }
   return 0;
@@ -169,7 +169,7 @@ int FileStorage::Flush() {
   int fd = open(file_path_.c_str(), O_WRONLY | O_CREAT, 0600);
   if (fd < 0) {
     LOG(WARNING) << "open file " << file_path_
-                 << " failed, error code:" << errno;
+                 << " failed, error code: " << strerror(errno);
     return -1;
   }
 
@@ -208,11 +208,11 @@ int FileStorage::Flush() {
     res = write(fd, buffer_ptr, buffer_size);
     if (res == -1) {
       LOG(WARNING) << "write file " << file_path_
-                   << " failed, error code: " << errno;
+                   << " failed, error code: " << strerror(errno);
       res = close(fd);
       if (res != 0) {
         LOG(WARNING) << "close file " << file_path_
-                     << " failed, error code: " << errno;
+                     << " failed, error code: " << strerror(errno);
       }
       return -1;
     }
@@ -223,7 +223,7 @@ int FileStorage::Flush() {
   res = close(fd);
   if (res != 0) {
     LOG(WARNING) << "close file " << file_path_
-                 << " failed, error code: " << errno;
+                 << " failed, error code: " << strerror(errno);
     return -1;
   }
   data_changed_ = false;
diff --git a/mace/core/runtime/opencl/opencl_runtime.cc b/mace/core/runtime/opencl/opencl_runtime.cc
index 1a611bebf261672525a391b5df2603db93977cd8..0fad713155671c3df9506e6aea8cf395034dd06c 100644
--- a/mace/core/runtime/opencl/opencl_runtime.cc
+++ b/mace/core/runtime/opencl/opencl_runtime.cc
@@ -409,7 +409,9 @@ OpenCLRuntime::OpenCLRuntime():
         kStorageFactory->CreateStorage(kPrecompiledProgramFileName);
 
     if (cache_storage_->Load() != 0) {
-      LOG(FATAL) << "Load OpenCL cached compiled kernel file failed";
+      LOG(WARNING) << "Load OpenCL cached compiled kernel file failed. "
+                   << "Please make sure the storage directory exist "
+                   << "and you have Write&Read permission";
     }
     auto platform_info_array =
         this->cache_storage_->Find(kOpenCLPlatformInfoKey);
@@ -428,7 +430,9 @@ OpenCLRuntime::OpenCLRuntime():
       precompiled_binary_storage_.reset(
           new FileStorage(OpenCLRuntime::kPrecompiledBinaryPath));
       if (precompiled_binary_storage_->Load() != 0) {
-        LOG(FATAL) << "Load OpenCL precompiled kernel file failed";
+        LOG(WARNING) << "Load OpenCL precompiled kernel file failed. "
+                     << "Please make sure the storage directory exist "
+                     << "and you have Write&Read permission";
       }
 
       auto platform_info_array =
@@ -657,8 +661,9 @@ void OpenCLRuntime::SaveBuiltCLProgram() {
                            std::vector<unsigned char>(platform_info_.begin(),
                                                       platform_info_.end()));
     if (cache_storage_->Flush() != 0) {
-      LOG(FATAL) << "Store OPENCL compiled kernel to file failed."
-          " Please Make sure the storage directory exist.";
+      LOG(FATAL) << "Store OPENCL compiled kernel to file failed. "
+                 << "Please make sure the storage directory exist "
+                 << "and you have Write&Read permission";
     }
   }
 }
diff --git a/mace/tools/validation/mace_run.cc b/mace/tools/validation/mace_run.cc
index bb2887ad12cf3cd6d396bc51305b022373b8cc58..2bf71bc384dd1fc856c9e5f57de92799934fa55b 100644
--- a/mace/tools/validation/mace_run.cc
+++ b/mace/tools/validation/mace_run.cc
@@ -202,6 +202,9 @@ bool RunModel(const std::string &model_name,
     mace::SetGPUHints(
         static_cast<GPUPerfHint>(FLAGS_gpu_perf_hint),
         static_cast<GPUPriorityHint>(FLAGS_gpu_priority_hint));
+
+    std::vector<std::string> opencl_binary_paths = {FLAGS_opencl_binary_file};
+    mace::SetOpenCLBinaryPaths(opencl_binary_paths);
   }
 #endif  // MACE_ENABLE_OPENCL
 
@@ -214,11 +217,6 @@ bool RunModel(const std::string &model_name,
       new FileStorageFactory(kernel_file_path));
   SetKVStorageFactory(storage_factory);
 
-  if (device_type == DeviceType::GPU) {
-    std::vector<std::string> opencl_binary_paths = {FLAGS_opencl_binary_file};
-    mace::SetOpenCLBinaryPaths(opencl_binary_paths);
-  }
-
   std::vector<unsigned char> model_pb_data;
   if (FLAGS_model_file != "") {
     if (!mace::ReadBinaryFile(&model_pb_data, FLAGS_model_file)) {