diff --git a/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/ConvAddKernel.swift b/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/ConvAddKernel.swift
index cb6944980a7ac10808748acd6d698d26f5d205ac..32c61e9dcdb9eacc273d4712ca58f1ecdab36348 100644
--- a/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/ConvAddKernel.swift
+++ b/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/ConvAddKernel.swift
@@ -114,6 +114,10 @@ class ConvAddKernel<P: PrecisionProtocol>: Kernel, Computable {
         if type(of: self).isWinoGrad(functionName: functionName) {
             shouldUseMPS = false
         }
+        let isDepthWise = param.filter.tensorDim[1] == 1 && param.filter.tensorDim[0] == param.input.tensorDim[1]
+        if !isDepthWise && param.groups > 1 {
+            shouldUseMPS = false
+        }
         if shouldUseMPS {
             super.init(device: device, inFunctionName: nil, initContext: initContext)
             setupWithMPS(device: device, param: param)
diff --git a/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/ReshapeKernel.swift b/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/ReshapeKernel.swift
index 11864698c36c0104b115862f1814fb8703c6dd2f..03cc4cad3c0926eac1a72582ab3f80f81b7cbc56 100644
--- a/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/ReshapeKernel.swift
+++ b/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/ReshapeKernel.swift
@@ -34,7 +34,7 @@ class ReshapeKernel<P: PrecisionProtocol>: Kernel, Computable{
     required init(device: MTLDevice, param: ReshapeParam<P>, initContext: InitContext) throws {
         
         do {
-            try param.output.initTexture(device: device, inTranspose: param.input.transpose, computePrecision: GlobalConfig.shared.computePrecision)
+            try param.output.initTexture(device: device, computePrecision: GlobalConfig.shared.computePrecision)
         } catch let error {
             throw error
         }
diff --git a/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/SliceKernel.swift b/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/SliceKernel.swift
index bb2b7821db07d58d3e8ac22a22972f5e68430f7d..2f241722126232e6048007b7f18005ba29e3ac4b 100644
--- a/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/SliceKernel.swift
+++ b/metal/paddle-mobile/paddle-mobile/Src/Operators/Kernels/SliceKernel.swift
@@ -29,11 +29,24 @@ public struct SliceMetalParam {
 
 class SliceKernel<P: PrecisionProtocol>: Kernel, Computable {
     var metalParam: SliceMetalParam
+    var device: MTLDevice?
+    var initContext: InitContext?
+    
     func compute(commandBuffer: MTLCommandBuffer, param: SliceParam<P>) throws {
+        let expectedTranspose = [0, 2, 3, 1]
+        var input = param.input
+        if param.input.transpose != expectedTranspose {
+            if let device = device, let initContext = initContext, let transposedInput = encodeTransposeInput(input: param.input, toTranspose: expectedTranspose, commandBuffer: commandBuffer, device: device, initContext: initContext) {
+                input = transposedInput
+            } else {
+                print("input transpose failed in slice kernel")
+            }
+        }
+        
         guard let encoder = commandBuffer.makeComputeCommandEncoder() else {
             throw PaddleMobileError.predictError(message: " encode is nil")
         }
-        encoder.setTexture(param.input.metalTexture, index: 0)
+        encoder.setTexture(input.metalTexture, index: 0)
         encoder.setTexture(param.output.metalTexture, index: 1)
         encoder.setBytes(&metalParam, length: MemoryLayout<SliceMetalParam>.size, index: 0)
         encoder.dispatch(computePipline: pipline, outTexture: param.output.metalTexture)
@@ -72,7 +85,9 @@ class SliceKernel<P: PrecisionProtocol>: Kernel, Computable {
         } else if GlobalConfig.shared.computePrecision == .Float16 {
             super.init(device: device, inFunctionName: "slice_half", initContext: initContext)
         } else {
-            fatalError()
+            fatalError("unknown computePrecision")
         }
+        self.device = device
+        self.initContext = initContext
     }
 }