diff --git a/kernels/op_host/calc_poly_start_end_sl.cpp b/kernels/op_host/calc_poly_start_end_sl.cpp
index b95ce64581a36a98c3502beb635ccfb09f262ba3..eacc317f3b562c7aa59bf32e388f96c7b3a3de5f 100644
--- a/kernels/op_host/calc_poly_start_end_sl.cpp
+++ b/kernels/op_host/calc_poly_start_end_sl.cpp
@@ -133,22 +133,26 @@ public:
             .ParamType(REQUIRED)
             .DataType({ge::DT_INT32})
             .Format({ge::FORMAT_ND})
-            .UnknownShapeFormat({ge::FORMAT_ND});
+            .UnknownShapeFormat({ge::FORMAT_ND})
+            .AutoContiguous();
         this->Input("poly_line")
             .ParamType(REQUIRED)
             .DataType({ge::DT_FLOAT})
             .Format({ge::FORMAT_ND})
-            .UnknownShapeFormat({ge::FORMAT_ND});
+            .UnknownShapeFormat({ge::FORMAT_ND})
+            .AutoContiguous();
         this->Input("points")
             .ParamType(REQUIRED)
             .DataType({ge::DT_FLOAT})
             .Format({ge::FORMAT_ND})
-            .UnknownShapeFormat({ge::FORMAT_ND});
+            .UnknownShapeFormat({ge::FORMAT_ND})
+            .AutoContiguous();
         this->Input("s_cum")
             .ParamType(REQUIRED)
             .DataType({ge::DT_FLOAT})
             .Format({ge::FORMAT_ND})
-            .UnknownShapeFormat({ge::FORMAT_ND});
+            .UnknownShapeFormat({ge::FORMAT_ND})
+            .AutoContiguous();
         this->Output("poly_start")
             .ParamType(REQUIRED)
             .DataType({ge::DT_FLOAT})