Fix typo

paddle/fluid/operators/conv_op.cc

@@ -189,7 +189,7 @@ void Conv2DOpMaker::Make() {
                 "whenever convolution output is as an input to residual "
                 "connection.")
       .SetDefault(false);
-  AddAttr<bool>("fuse_fp32_output", "(bool, default false) Force INT8 kernel output FP32, only used in mkldnn kernel")
+  AddAttr<bool>("force_fp32_output", "(bool, default false) Force INT8 kernel output FP32, only used in mkldnn kernel")
       .SetDefault(false);
   AddAttr<std::string>(
       "data_format",