diff --git a/src/onediff/infer_compiler/oneflow_compiler_config.py b/src/onediff/infer_compiler/oneflow_compiler_config.py
index 287216591..087d38a63 100644
--- a/src/onediff/infer_compiler/oneflow_compiler_config.py
+++ b/src/onediff/infer_compiler/oneflow_compiler_config.py
@@ -28,6 +28,7 @@ def init_default_env():
     os.environ.setdefault("ONEFLOW_KERNEL_GEMM_CUTLASS_IMPL_ENABLE_TUNING_WARMUP", "1")
     os.environ.setdefault("ONEFLOW_KERNEL_CONV_ENABLE_CUTLASS_IMPL", "1")
     os.environ.setdefault("ONEFLOW_KERNEL_GEMM_ENABLE_CUTLASS_IMPL", "1")
+    os.environ.setdefault("ONEFLOW_CONVOLUTION_BIAS_ADD_ACT_FUSION", "1")
     # os.environ.setdefault("ONEFLOW_KERNEL_GLU_ENABLE_DUAL_GEMM_IMPL", "0")
     # os.environ.setdefault("ONEFLOW_KERNEL_GLU_ENABLE_Y_GEMM_IMPL", "0")
     # os.environ.setdefault("ONEFLOW_KERNEL_GLU_QUANT_ENABLE_DUAL_GEMM_IMPL", "0")