diff --git a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/Kernels.metal b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/Kernels.metal
index 82b9fa2ab04e4107dac64997a77a4eae5c4cdcec..54337e7c7c2477a0595ad36a6089d247fd9503f9 100644
--- a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/Kernels.metal
+++ b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/Kernels.metal
@@ -70,7 +70,7 @@ kernel void batchnorm(texture2d_array<half, access::read> inTexture [[texture(0)
         gid.z >= outTexture.get_array_size()) return;
     const half4 input = inTexture.read(gid.xy, gid.z);
     half4 output = input * newScale[gid.z] + newBias[gid.z];
-    outTexture.write(input, gid.xy, gid.z);
+    outTexture.write(output, gid.xy, gid.z);
 }
 
 kernel void texture2d_to_2d_array(texture2d<half, access::read> inTexture [[texture(0)]],