Feature: handle model_exit bug

ge/graph/load/new_model_manager/davinci_model.cc

@@ -2832,7 +2832,7 @@ void *DavinciModel::Run(DavinciModel *model) {
       if (rt_ret == kEndOfSequence || rt_ret == kEndOfSequenceNew) {
         seq_end_flag = true;
       }
-      if (ret == RT_ERROR_MODEL_ABORT_NORMAL) {
+      if (rt_ret == RT_ERROR_MODEL_ABORT_NORMAL) {
         GELOGW("rtStreamSynchronize get result : RT_ERROR_MODEL_ABORT_NORMAL, abort model normal");
       } else {
         GE_IF_BOOL_EXEC(