diff --git a/mindspore/ops/operations/math_ops.py b/mindspore/ops/operations/math_ops.py
index ce7723e905..35b093ed39 100644
--- a/mindspore/ops/operations/math_ops.py
+++ b/mindspore/ops/operations/math_ops.py
@@ -800,7 +800,7 @@ class MatMul(PrimitiveWithCheck):
 
 
 class BatchMatMul(MatMul):
-    """
+    r"""
     Computes matrix multiplication between two tensors by batch.
 
     .. math::