diff --git a/tests/st/ops/custom_ops_tbe/cus_conv2d_impl.py b/tests/st/ops/custom_ops_tbe/cus_conv2d_impl.py
index 54f6954a18e..04ac7c2ff70 100644
--- a/tests/st/ops/custom_ops_tbe/cus_conv2d_impl.py
+++ b/tests/st/ops/custom_ops_tbe/cus_conv2d_impl.py
@@ -13,95 +13,28 @@
 # limitations under the License.
 # ============================================================================
 from tests.st.ops.custom_ops_tbe.conv2d import conv2d
-from mindspore.ops.op_info_register import op_info_register
+from mindspore.ops.op_info_register import op_info_register, TBERegOp, DataType
 
-@op_info_register("""{
-    "op_name": "Cus_Conv2D",
-    "imply_type": "TBE",
-    "fusion_type": "CONVLUTION",
-    "async_flag": false,
-    "binfile_name": "conv2d.so",
-    "compute_cost": 10,
-    "kernel_name": "Cus_Conv2D",
-    "partial_flag": true,
-    "attr": [
-        {
-            "name": "stride",
-            "param_type": "required",
-            "type": "listInt",
-            "value": "all"
-        },
-        {
-            "name": "pad_list",
-            "param_type": "required",
-            "type": "listInt",
-            "value": "all"
-        },
-        {
-            "name": "dilation",
-            "param_type": "required",
-            "type": "listInt",
-            "value": "all"
-        }
-    ],
-    "inputs": [
-        {
-            "index": 0,
-            "dtype": [
-                "float16"
-            ],
-            "format": [
-                "NC1HWC0"
-            ],
-            "name": "x",
-            "need_compile": false,
-            "param_type": "required",
-            "shape": "all"
-        },
-        {
-            "index": 1,
-            "dtype": [
-                "float16"
-            ],
-            "format": [
-                "FracZ"
-            ],
-            "name": "filter",
-            "need_compile": false,
-            "param_type": "required",
-            "shape": "all"
-        },
-        {
-            "index": 2,
-            "dtype": [
-                "float16"
-            ],
-            "format": [
-                "DefaultFormat"
-            ],
-            "name": "bias",
-            "need_compile": false,
-            "param_type": "optional",
-            "shape": "all"
-        }
-    ],
-    "outputs": [
-        {
-            "index": 0,
-            "dtype": [
-                "float16"
-            ],
-            "format": [
-                "NC1HWC0"
-            ],
-            "name": "y",
-            "need_compile": true,
-            "param_type": "required",
-            "shape": "all"
-        }
-    ]
-}""")
+cus_conv2D_op_info = TBERegOp("Cus_Conv2D") \
+    .fusion_type("CONVLUTION") \
+    .async_flag(False) \
+    .binfile_name("conv2d.so") \
+    .compute_cost(10) \
+    .kernel_name("Cus_Conv2D") \
+    .partial_flag(True) \
+    .attr("stride", "required", "listInt", "all") \
+    .attr("pad_list", "required", "listInt", "all") \
+    .attr("dilation", "required", "listInt", "all") \
+    .input(0, "x", False, "required", "all") \
+    .input(1, "filter", False, "required", "all") \
+    .input(2, "bias", False, "optional", "all") \
+    .output(0, "y", True, "required", "all") \
+    .dtype_format(DataType.F16_5HD, DataType.F16_FracZ, DataType.F32_Default, DataType.F16_5HD) \
+    .get_op_info()
+
+
+@op_info_register(cus_conv2D_op_info)
 def Cus_Conv2D(inputs, weights, bias, outputs, strides, pads, dilations,
                kernel_name="conv2d"):
     conv2d(inputs, weights, bias, outputs, strides, pads, dilations,
-           kernel_name)
\ No newline at end of file
+           kernel_name)
diff --git a/tests/st/ops/custom_ops_tbe/square_impl.py b/tests/st/ops/custom_ops_tbe/square_impl.py
index e5992eff1c3..f3a1e0751de 100644
--- a/tests/st/ops/custom_ops_tbe/square_impl.py
+++ b/tests/st/ops/custom_ops_tbe/square_impl.py
@@ -18,11 +18,12 @@ from topi import generic
 import te.lang.cce
 from topi.cce import util
 from te.platform.fusion_manager import fusion_manager
-from mindspore.ops.op_info_register import op_info_register
+from mindspore.ops.op_info_register import op_info_register, TBERegOp, DataType
 
 # shape size limit for aicore is 2**31
 SHAPE_SIZE_LIMIT = 200000000
 
+
 @fusion_manager.register("square")
 def square_compute(input_x, output_y, kernel_name="square"):
     """
@@ -46,49 +47,21 @@ def square_compute(input_x, output_y, kernel_name="square"):
     res = te.lang.cce.vmul(input_x, input_x)
     return res
 
-@op_info_register("""{
-    "op_name": "CusSquare",
-    "imply_type": "TBE",
-    "fusion_type": "OPAQUE",
-    "async_flag": false,
-    "binfile_name": "square.so",
-    "compute_cost": 10,
-    "kernel_name": "CusSquare",
-    "partial_flag": true,
-    "attr": [
-        
-    ],
-    "inputs": [
-        {
-            "index": 0,
-            "dtype": [
-                "float32"
-            ],
-            "format": [
-                "DefaultFormat"
-            ],
-            "name": "x",
-            "need_compile": false,
-            "param_type": "required",
-            "shape": "all"
-        }
-    ],
-    "outputs": [
-        {
-            "index": 0,
-            "dtype": [
-                "float32"
-            ],
-            "format": [
-                "DefaultFormat"
-            ],
-            "name": "y",
-            "need_compile": false,
-            "param_type": "required",
-            "shape": "all"
-        }
-    ]
-}""")
+
+cus_conv2D_op_info = TBERegOp("CusSquare") \
+    .fusion_type("OPAQUE") \
+    .async_flag(False) \
+    .binfile_name("square.so") \
+    .compute_cost(10) \
+    .kernel_name("CusSquare") \
+    .partial_flag(True) \
+    .input(0, "x", False, "required", "all") \
+    .output(0, "y", False, "required", "all") \
+    .dtype_format(DataType.F32_Default, DataType.F32_Default) \
+    .get_op_info()
+
+
+@op_info_register(cus_conv2D_op_info)
 def CusSquare(input_x, output_y, kernel_name="square"):
     """
     algorithm: square