diff --git a/mindspore/OWNERS b/mindspore/OWNERS
index 00e772840b..1e7a4633e4 100644
--- a/mindspore/OWNERS
+++ b/mindspore/OWNERS
@@ -6,5 +6,4 @@ approvers:
 - stsuteng
 - c_34
 - liangchenghui
-- wuxuejian
-- yelihua
+- wuxuejian
\ No newline at end of file
diff --git a/mindspore/ccsrc/debug/debug_services.cc b/mindspore/ccsrc/debug/debug_services.cc
index de6330e63a..c7e50637a5 100644
--- a/mindspore/ccsrc/debug/debug_services.cc
+++ b/mindspore/ccsrc/debug/debug_services.cc
@@ -390,7 +390,7 @@ void DebugServices::ReadTensorFromNpy(const std::string &file_name, std::string
   }
   uint64_t file_size = infile.tellg();
   infile.seekg(0, std::ios::beg);
-  std::unique_ptr<std::vector<char>> buffer(new std::vector<char>(file_size));
+  auto buffer = std::make_unique<std::vector<char>>(file_size);
   if (!infile.read(buffer->data(), file_size)) {
     MS_LOG(ERROR) << "Failed to read file (In ReadTensorFromNpy) " << file_path;
     return;
@@ -413,7 +413,7 @@ void DebugServices::ReadTensorFromNpy(const std::string &file_name, std::string
   std::size_t data_size = data_len * word_size;
   infile.seekg(header_len + 10);
   *data_buffer = new std::vector<char>(data_size);
-  if (!infile.read((*data_buffer)->data(), data_size)) {
+  if (data_buffer == nullptr || !infile.read((*data_buffer)->data(), data_size)) {
     MS_LOG(ERROR) << "Unable to get tensor data from npy";
   }
   *size = data_size;
diff --git a/mindspore/ccsrc/debug/debugger/offline_debug/dbg_services.cc b/mindspore/ccsrc/debug/debugger/offline_debug/dbg_services.cc
index e0ac04856c..c7a52b8c16 100644
--- a/mindspore/ccsrc/debug/debugger/offline_debug/dbg_services.cc
+++ b/mindspore/ccsrc/debug/debugger/offline_debug/dbg_services.cc
@@ -55,6 +55,10 @@ int32_t DbgServices::Initialize(std::string net_name, std::string dump_folder_pa
   MS_LOG(INFO) << "cpp DbgServices initialize network name " << net_name;
   MS_LOG(INFO) << "cpp DbgServices initialize dump folder path " << dump_folder_path;
   MS_LOG(INFO) << "cpp DbgServices initialize sync mode " << is_sync_mode;
+  if (debug_services == nullptr) {
+    MS_LOG(EXCEPTION) << "Debugger services initialize failed as occur null pointer error,"
+                      << "may be due to memory allocation failure, check as: top";
+  }
   debug_services->SetNetName(net_name);
   debug_services->SetDumpDir(dump_folder_path);
   debug_services->SetSyncMode(is_sync_mode);
diff --git a/mindspore/train/OWNERS b/mindspore/train/OWNERS
new file mode 100644
index 0000000000..2732da9ece
--- /dev/null
+++ b/mindspore/train/OWNERS
@@ -0,0 +1,6 @@
+approvers:
+- ougongchang
+- yelihua
+- lilongfei15
+- wangyue01
+- wenkai_distq
\ No newline at end of file
diff --git a/mindspore/train/summary/_summary_adapter.py b/mindspore/train/summary/_summary_adapter.py
index 495eeca703..c14a4aacd1 100644
--- a/mindspore/train/summary/_summary_adapter.py
+++ b/mindspore/train/summary/_summary_adapter.py
@@ -360,6 +360,11 @@ def _fill_image_summary(tag: str, np_value, summary_image, input_format='NCHW'):
             f"The tensor with dim({np_value.ndim}) can't convert the format({input_format}) because dim not same")
         return False
 
+    if 0 in np_value.shape:
+        logger.error(
+            f"The tensor with shape({np_value.shape}) is not a valid image because the shape contains zero.")
+        return False
+
     # convert the tensor format
     tensor = _convert_image_format(np_value, input_format)