diff --git a/operator/ascendc/2_features/14_matmul_api_constant/MatmulApiContantCustom.json b/operator/ascendc/2_features/14_matmul_api_constant/MatmulApiConstantCustom.json
similarity index 100%
rename from operator/ascendc/2_features/14_matmul_api_constant/MatmulApiContantCustom.json
rename to operator/ascendc/2_features/14_matmul_api_constant/MatmulApiConstantCustom.json
diff --git a/operator/ascendc/2_features/14_matmul_api_constant/MatmulApiConstantCustom/op_kernel/matmul_api_constant_custom.cpp b/operator/ascendc/2_features/14_matmul_api_constant/MatmulApiConstantCustom/op_kernel/matmul_api_constant_custom.cpp
index c95abf2991036ca42d270092f497e0082aedff1f..4d1a8545579a3e42123333e3ac9f82a727799f38 100644
--- a/operator/ascendc/2_features/14_matmul_api_constant/MatmulApiConstantCustom/op_kernel/matmul_api_constant_custom.cpp
+++ b/operator/ascendc/2_features/14_matmul_api_constant/MatmulApiConstantCustom/op_kernel/matmul_api_constant_custom.cpp
@@ -17,13 +17,6 @@ __aicore__ inline uint32_t Ceiling(uint32_t a, uint32_t b)
     return (a + b - 1) / b;
 }
 
-// The specified value remains consistent with the runtime tiling paramters.
-// singleCoreM, singleCoreN, singleCoreK, baseM, baseN, baseK.
-constexpr static MatmulShapeParams shapeParams = {512, 640, 256, 128, 128, 128};
-constexpr static MatmulConfig mmConfig = GetMMConfig<MatmulConfigMode::CONFIG_NORM>(shapeParams);
-// Get the fully constant template parameters.
-constexpr static MatmulApiStaticTiling staticConfig = GetMatmulApiTiling<aMatmulType, bMatmulType, cMatmulType, biasMatmulType>(mmConfig);
-
 template <typename aType, typename bType, typename cType, typename biasType> class MatmulApiConstantKernel {
 public:
     __aicore__ inline MatmulApiConstantKernel(){};
@@ -39,6 +32,13 @@ public:
     typedef MatmulType<AscendC::TPosition::GM, CubeFormat::ND, cType> cMatmulType;
     typedef MatmulType<AscendC::TPosition::GM, CubeFormat::ND, biasType> biasMatmulType;
 
+    // The specified value remains consistent with the runtime tiling paramters.
+    // singleCoreM, singleCoreN, singleCoreK, baseM, baseN, baseK.
+    constexpr static MatmulShapeParams shapeParams = {512, 640, 256, 128, 128, 128};
+    constexpr static MatmulConfig mmConfig = GetMMConfig<MatmulConfigMode::CONFIG_NORM>(shapeParams);
+    // Get the fully constant template parameters.
+    constexpr static MatmulApiStaticTiling staticConfig = GetMatmulApiTiling<aMatmulType, bMatmulType, cMatmulType, biasMatmulType>(mmConfig);
+
     Matmul<aMatmulType, bMatmulType, cMatmulType, biasMatmulType, staticConfig> matmulObj;
 
     AscendC::GlobalTensor<aType> aGlobal;
@@ -111,7 +111,7 @@ extern "C" __global__ __aicore__ void matmul_api_constant_custom(
     AscendC::TPipe pipe;
 
     // With the fully constant template parameters, nullptr can be passed into REGIST_MATMUL_OBJ to replace tiling.
-    REGIST_MATMUL_OBJ(&pipe, GetSysWorkSpacePtr(), matmulApiConstantKernel.matmulObj, nullptr);
+    REGIST_MATMUL_OBJ(&pipe, GetSysWorkSpacePtr(), matmulApiConstantKernel.matmulObj, &tilingData.cubeTilingData);
     matmulApiConstantKernel.Init(a, b, bias, c, workspace, tilingData.cubeTilingData);
     matmulApiConstantKernel.Process(&pipe);
 }
\ No newline at end of file