diff --git a/mobile/src/io/opencl_interface.h b/mobile/src/io/opencl_interface.h
index d7877e8afd0e1cf40b732cfa15719735d9714a8c..f1039f1373df6b65a5fc7f4e01279badfaa40307 100644
--- a/mobile/src/io/opencl_interface.h
+++ b/mobile/src/io/opencl_interface.h
@@ -22,6 +22,6 @@ cl_context getContext();
 cl_command_queue getClCommandQueue();
 bool isInitSuccess();
 
-#endif
-
 }  // namespace paddle_mobile
+
+#endif
diff --git a/mobile/src/operators/op_param.h b/mobile/src/operators/op_param.h
index 161d8105697f811fe83774d377103466cc4d2f17..d31a5e6c21a9c874f2b2f6650f807032ddc665e2 100644
--- a/mobile/src/operators/op_param.h
+++ b/mobile/src/operators/op_param.h
@@ -687,7 +687,7 @@ class ConcatParam : public OpParam {
     inputs_ = InputMultiFrom<GType>(inputs, *scope);
     out_ = OutFrom<GType>(outputs, *scope);
     axis_ = GetAttr<int>("axis", attrs);
-    original_output_dims_size_ = inputs_[0]->dims().size();
+    original_output_dims_size_ = out_->dims().size();
   }
 
   vector<GType *> Inputs() const { return inputs_; }