From 42d67dacb652f1d16406cbcdd36acd429c1e9c7b Mon Sep 17 00:00:00 2001
From: zhaoyuchen2018 <45989343+zhaoyuchen2018@users.noreply.github.com>
Date: Thu, 9 Apr 2020 18:08:23 +0800
Subject: [PATCH] OP(minus) error message enhancement. test=develop (#23621)

C++ error message enhancement.
---
 paddle/fluid/operators/minus_op.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/paddle/fluid/operators/minus_op.cc b/paddle/fluid/operators/minus_op.cc
index 08696e32fc..5b14d4f687 100644
--- a/paddle/fluid/operators/minus_op.cc
+++ b/paddle/fluid/operators/minus_op.cc
@@ -47,7 +47,10 @@ class MinusOp : public framework::OperatorWithKernel {
         (framework::product(x_dims) > 0 && framework::product(y_dims) > 0)) {
       PADDLE_ENFORCE_EQ(
           x_dims, y_dims,
-          "Minus operator must take two tensor with same num of elements");
+          platform::errors::InvalidArgument(
+              "Minus operator must take two tensor with same dim, but received "
+              "input X dim is:[%s], Y dim is:[%s]",
+              x_dims, y_dims));
     }
     ctx->SetOutputDim("Out", x_dims);
     ctx->ShareLoD("X", /*->*/ "Out");
-- 
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