fix a bug of onehot

mindspore/ccsrc/frontend/parallel/ops_info/onehot_info.cc

@@ -208,7 +208,8 @@ ReplaceGraphPtr OneHotInfo::replace_graph(const CNodePtr &cnode) {
 }
 
 std::vector<StrategyPtr> OneHotInfo::GenerateOpStrategies(int64_t stage_id) {
-  Shapes splittable_inputs = {{1, 1}, {}, {}};
+  Shape input0_split(outputs_shape_[0].size(), 1);
+  Shapes splittable_inputs = {input0_split, {}, {}};
   std::vector<StrategyPtr> sp_vector;
   if (inputs_shape_.size() != 3) {
     MS_LOG(EXCEPTION) << name_ << ": inputs_shape_ size must be 3, but is " << inputs_shape_.size();