diff --git a/mindspore/ccsrc/debug/data_dump/dump_json_parser.cc b/mindspore/ccsrc/debug/data_dump/dump_json_parser.cc
index eabdab86e32..b558ab04456 100644
--- a/mindspore/ccsrc/debug/data_dump/dump_json_parser.cc
+++ b/mindspore/ccsrc/debug/data_dump/dump_json_parser.cc
@@ -389,8 +389,8 @@ bool DumpJsonParser::IsDumpIter(uint32_t iteration) const {
     std::string temp = iteration_.substr(IntToSize(start), IntToSize(end - start));
     int range_idx = temp.find("-");
     if (range_idx != -1) {
-      uint32_t low_range = std::stoul(temp.substr(0, IntToSize(range_idx)));
-      uint32_t high_range = std::stoul(temp.substr(IntToSize(range_idx + 1), -1));
+      uint32_t low_range = static_cast<uint32_t>(std::stoul(temp.substr(0, IntToSize(range_idx))));
+      uint32_t high_range = static_cast<uint32_t>(std::stoul(temp.substr(IntToSize(range_idx + 1), -1)));
       if ((low_range <= iteration) && (iteration <= high_range)) {
         return true;
       }
@@ -403,8 +403,8 @@ bool DumpJsonParser::IsDumpIter(uint32_t iteration) const {
   std::string temp = iteration_.substr(IntToSize(start), IntToSize(end - start));
   int range_idx = temp.find("-");
   if (range_idx != -1) {
-    uint32_t low_range = std::stoul(temp.substr(0, IntToSize(range_idx)));
-    uint32_t high_range = std::stoul(temp.substr((range_idx + 1), -1));
+    uint32_t low_range = static_cast<uint32_t>(std::stoul(temp.substr(0, IntToSize(range_idx))));
+    uint32_t high_range = static_cast<uint32_t>(std::stoul(temp.substr(IntToSize(range_idx + 1), -1)));
     if ((low_range <= iteration) && (iteration <= high_range)) {
       return true;
     }
diff --git a/mindspore/ccsrc/frontend/operator/composite/composite.h b/mindspore/ccsrc/frontend/operator/composite/composite.h
index 38e7c8f6b65..7543a775eb7 100644
--- a/mindspore/ccsrc/frontend/operator/composite/composite.h
+++ b/mindspore/ccsrc/frontend/operator/composite/composite.h
@@ -103,7 +103,8 @@ enum TailType { kGradAll, kGradFirst, kNotGrad };
 
 class Tail : public MetaFuncGraph {
  public:
-  explicit Tail(const std::string &name, TailType tail_type = kNotGrad) : MetaFuncGraph(name), tail_type_(tail_type) {}
+  explicit Tail(const std::string &name, TailType tail_type = kNotGrad)
+      : MetaFuncGraph(name), tail_type_(tail_type), enable_tuple_grad_(false) {}
   ~Tail() override = default;
   MS_DECLARE_PARENT(Tail, MetaFuncGraph)
 
diff --git a/mindspore/ccsrc/pipeline/jit/action.cc b/mindspore/ccsrc/pipeline/jit/action.cc
index cc796cd917a..61b50363de5 100644
--- a/mindspore/ccsrc/pipeline/jit/action.cc
+++ b/mindspore/ccsrc/pipeline/jit/action.cc
@@ -1009,7 +1009,7 @@ bool SetMindIRGraphAction(const ResourcePtr &res) {
       broaded_args.push_back(abs_ref);
     }
   }
-  auto result = AbstractAnalyze(res, res->func_graph(), broaded_args, true);
+  (void)AbstractAnalyze(res, res->func_graph(), broaded_args, true);
   auto it = abstract::AnalysisResultCacheMgr::GetInstance().begin();
   auto it_end = abstract::AnalysisResultCacheMgr::GetInstance().end();
   for (; it != it_end; ++it) {