diff --git a/src/operators/kernel/cl/cl_kernel/relu.cl b/src/operators/kernel/cl/cl_kernel/relu.cl
index 20714202a6745bcb4f1810c20665a20e387e665d..da6f2d0faf823bb899b4f2097c2cdac4d76b8499 100644
--- a/src/operators/kernel/cl/cl_kernel/relu.cl
+++ b/src/operators/kernel/cl/cl_kernel/relu.cl
@@ -1,4 +1,16 @@
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
 
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
 #pragma OPENCL EXTENSION cl_khr_fp16 : enable
 
 __kernel void relu(__read_only image2d_t input,
@@ -12,6 +24,6 @@ __kernel void relu(__read_only image2d_t input,
                             CLK_FILTER_NEAREST;
 
   half4 in = read_imageh(input, sampler, (int2)(x, y));
-  in = max((half4)(0.0), in);
+  in = max((half4)(0.0f,0.0f,0.0f,0.0f), in);
   write_imageh(output, (int2)(x, y), in);
 }
\ No newline at end of file
diff --git a/src/operators/kernel/cl/cl_kernel/reshape.cl b/src/operators/kernel/cl/cl_kernel/reshape.cl
index 4055445d1576b2ca54919ed03ad187d08cff14c2..062ba55de0699c6baa07cf4c33c1cd13f59b592a 100644
--- a/src/operators/kernel/cl/cl_kernel/reshape.cl
+++ b/src/operators/kernel/cl/cl_kernel/reshape.cl
@@ -12,6 +12,8 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License. */
 
+#pragma OPENCL EXTENSION cl_khr_fp16 : enable
+
 __kernel void reshape(__read_only image2d_t input,
                       __write_only image2d_t output,
                       __private const int d0,
@@ -36,14 +38,14 @@ __kernel void reshape(__read_only image2d_t input,
     int t = obx * 4 + i;
     if (t > x1) break;
     int oindex = oby * x1 * x2 * x3 + t * x2 * x3 + ox * x3 + oy;
-    int i0, i1, i2, i3;
     int i3 = oindex % d3; oindex /= d3;
     int i2 = oindex % d2; oindex /= d2;
     int i1 = oindex % d1; oindex /= d1;
     int i0 = oindex;
     int ix = (i1 / 4) * d3 + i3;
     int iy = i0 * d2 + i2;
-    r[i] = read_imageh(input, sampler, int2(ix, iy))[i1%4];
+    half4 p = read_imageh(input, sampler, (int2)(ix, iy));
+    ((half*)&r)[i] = ((half*)&p)[i1%4];
   }
-  write_imageh(output, int2(x, y), r);
-}
\ No newline at end of file
+  write_imageh(output, (int2)(x, y), r);
+}