diff --git a/metal/paddle-mobile/paddle-mobile.xcodeproj/project.pbxproj b/metal/paddle-mobile/paddle-mobile.xcodeproj/project.pbxproj
index b654a85bece77b8e96130f733652557c923dfa6f..a415bb9134655f543e563818df6b949f8049ff8c 100644
--- a/metal/paddle-mobile/paddle-mobile.xcodeproj/project.pbxproj
+++ b/metal/paddle-mobile/paddle-mobile.xcodeproj/project.pbxproj
@@ -21,6 +21,7 @@
 		4AA1EAA2214912CD00D0F791 /* FlattenKernel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4AA1EAA1214912CC00D0F791 /* FlattenKernel.swift */; };
 		4AA1EAA4214A295C00D0F791 /* Split.inc.metal in Sources */ = {isa = PBXBuildFile; fileRef = 4AA1EAA3214A295C00D0F791 /* Split.inc.metal */; };
 		4AA1EAA6214B5F6800D0F791 /* Shape.metal in Sources */ = {isa = PBXBuildFile; fileRef = 4AA1EAA5214B5F6800D0F791 /* Shape.metal */; };
+		4AA1EAA8214B7AFB00D0F791 /* BilinearInterp.inc.metal in Sources */ = {isa = PBXBuildFile; fileRef = 4AA1EAA7214B7AFB00D0F791 /* BilinearInterp.inc.metal */; };
 		4AF928772133F1DB005B6C3A /* BoxCoder.metal in Sources */ = {isa = PBXBuildFile; fileRef = 4AF928762133F1DB005B6C3A /* BoxCoder.metal */; };
 		4AF9287921341661005B6C3A /* Softmax.metal in Sources */ = {isa = PBXBuildFile; fileRef = 4AF9287821341661005B6C3A /* Softmax.metal */; };
 		4AF928822135673D005B6C3A /* ConcatKernel.metal in Sources */ = {isa = PBXBuildFile; fileRef = 4AF928812135673D005B6C3A /* ConcatKernel.metal */; };
@@ -134,6 +135,7 @@
 		4AA1EAA1214912CC00D0F791 /* FlattenKernel.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FlattenKernel.swift; sourceTree = "<group>"; };
 		4AA1EAA3214A295C00D0F791 /* Split.inc.metal */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.metal; path = Split.inc.metal; sourceTree = "<group>"; };
 		4AA1EAA5214B5F6800D0F791 /* Shape.metal */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.metal; path = Shape.metal; sourceTree = "<group>"; };
+		4AA1EAA7214B7AFB00D0F791 /* BilinearInterp.inc.metal */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.metal; path = BilinearInterp.inc.metal; sourceTree = "<group>"; };
 		4AF928762133F1DB005B6C3A /* BoxCoder.metal */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.metal; path = BoxCoder.metal; sourceTree = "<group>"; };
 		4AF9287821341661005B6C3A /* Softmax.metal */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.metal; path = Softmax.metal; sourceTree = "<group>"; };
 		4AF928812135673D005B6C3A /* ConcatKernel.metal */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.metal; path = ConcatKernel.metal; sourceTree = "<group>"; };
@@ -456,6 +458,7 @@
 				4AA1EA8F214664CD00D0F791 /* Split.metal */,
 				4AA1EAA3214A295C00D0F791 /* Split.inc.metal */,
 				4AA1EA892146631C00D0F791 /* BilinearInterp.metal */,
+				4AA1EAA7214B7AFB00D0F791 /* BilinearInterp.inc.metal */,
 				4AF9287821341661005B6C3A /* Softmax.metal */,
 				FCEB6849212F00DB00D2448E /* PreluKernel.metal */,
 				FCDDC6C9212FDF6800E5EF74 /* BatchNormKernel.metal */,
@@ -609,6 +612,7 @@
 				4AF928772133F1DB005B6C3A /* BoxCoder.metal in Sources */,
 				FC33B0F02147659000714A93 /* MobileNet.swift in Sources */,
 				FCEB684C212F093800D2448E /* PreluOp.swift in Sources */,
+				4AA1EAA8214B7AFB00D0F791 /* BilinearInterp.inc.metal in Sources */,
 				FCA67CD92138287B00BD58AA /* ConvBNReluKernel.metal in Sources */,
 				FC60DB8920E9AAA500FF203F /* MetalExtension.swift in Sources */,
 				FCEBC0F620F1FE120099DBAF /* ConvAddBatchNormReluKernel.swift in Sources */,
@@ -833,7 +837,7 @@
 					"$(PROJECT_DIR)/paddle-mobile/CPU",
 				);
 				MACH_O_TYPE = mh_dylib;
-				MTL_LANGUAGE_REVISION = UseDeploymentTarget;
+				MTL_LANGUAGE_REVISION = Metal12;
 				PRODUCT_BUNDLE_IDENTIFIER = "orange.paddle-mobile";
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
@@ -869,7 +873,7 @@
 					"$(PROJECT_DIR)/paddle-mobile/CPU",
 				);
 				MACH_O_TYPE = mh_dylib;
-				MTL_LANGUAGE_REVISION = UseDeploymentTarget;
+				MTL_LANGUAGE_REVISION = Metal12;
 				PRODUCT_BUNDLE_IDENTIFIER = "orange.paddle-mobile";
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
diff --git a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/BilinearInterpKernel.swift b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/BilinearInterpKernel.swift
index ab6a44187f75fdee9484026ec859347b6c6166dc..478b1a5f807f4387ce04fde46e6d96c3cfdd06ec 100644
--- a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/BilinearInterpKernel.swift
+++ b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/BilinearInterpKernel.swift
@@ -38,7 +38,7 @@ class BilinearInterpKernel<P: PrecisionType>: Kernel, Computable{
   required init(device: MTLDevice, param: BilinearInterpParam<P>) {
     param.output.initTexture(device: device, inTranspose: param.input.transpose, computePrecision: computePrecision)
     if computePrecision == .Float32 {
-      super.init(device: device, inFunctionName: "bilinear_interp")
+      super.init(device: device, inFunctionName: "bilinear_interp_float")
     } else if computePrecision == .Float16 {
       super.init(device: device, inFunctionName: "bilinear_interp_half")
     } else {
diff --git a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/SplitKernel.swift b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/SplitKernel.swift
index e2d36049d6ee601857c8c6ae04862a21bf49b962..67e1cd9ab85c3c60d89846bab89ef10bbe513305 100644
--- a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/SplitKernel.swift
+++ b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/SplitKernel.swift
@@ -32,7 +32,7 @@ class SplitKernel<P: PrecisionType>: Kernel, Computable{
     for i in 0..<param.outputList.count {
       encoder.setTexture(param.outputList[i].metalTexture, index: i + 1)
     }
-    encoder.setBytes(&smp, length: MemoryLayout<BoxcoderMetalParam>.size, index: 0)
+    encoder.setBytes(&smp, length: MemoryLayout<SplitMetalParam>.size, index: 0)
     encoder.dispatch(computePipline: pipline, outTexture: param.input.metalTexture)
     encoder.endEncoding()
   }
diff --git a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/BilinearInterp.inc.metal b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/BilinearInterp.inc.metal
new file mode 100644
index 0000000000000000000000000000000000000000..cd6971bfda624a2c6b0bf9f4b51bf3e2a7c7195b
--- /dev/null
+++ b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/BilinearInterp.inc.metal
@@ -0,0 +1,34 @@
+#ifdef P
+
+#define CONCAT2(a, b) a ## b
+#define CONCAT2_(a, b) a ## _ ## b
+
+#define FUNC(f, p) CONCAT2_(f, p)
+#define VECTOR(p, n) CONCAT2(p, n)
+
+kernel void FUNC(bilinear_interp, P)(texture2d_array<P, access::read> input [[texture(0)]],
+                     texture2d_array<P, access::write> output [[texture(1)]],
+                     constant bilinear_interp_param & pm [[buffer(0)]],
+                     uint3 gid [[thread_position_in_grid]]) {
+  VECTOR(P, 4) r;
+  if ((input.get_width() == output.get_width()) && (input.get_height() == output.get_height())) {
+    r = input.read(gid.xy, gid.z);
+  } else {
+    float w = gid.x * pm.ratio_w;
+    float h = gid.y * pm.ratio_h;
+    uint w0 = w, h0 = h;
+    uint w1 = w0 + 1, h1 = h0 + 1;
+    P w1lambda = w - w0, h1lambda = h - h0;
+    P w2lambda = 1.0 - w1lambda, h2lambda = 1.0 - h1lambda;
+    if (w1 >= input.get_width()) w1 = w0;
+    if (h1 >= input.get_height()) h1 = h0;
+    VECTOR(P, 4) r0 = input.read(uint2(w0, h0), gid.z);
+    VECTOR(P, 4) r1 = input.read(uint2(w1, h0), gid.z);
+    VECTOR(P, 4) r2 = input.read(uint2(w0, h1), gid.z);
+    VECTOR(P, 4) r3 = input.read(uint2(w1, h1), gid.z);
+    r = h2lambda * (w2lambda * r0 + w1lambda * r1) + h1lambda * (w2lambda * r2 + w1lambda * r3);
+  }
+  output.write(r, gid.xy, gid.z);
+}
+
+#endif
diff --git a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/BilinearInterp.metal b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/BilinearInterp.metal
index 50c368e849b8e013dad7a4f374f5c4d3a1dd084c..c4eca3e1af7565b3dbef4646b80beb5a2725c714 100644
--- a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/BilinearInterp.metal
+++ b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/BilinearInterp.metal
@@ -22,54 +22,10 @@ struct bilinear_interp_param {
   float ratio_w;
 };
 
-kernel void bilinear_interp(texture2d_array<float, access::read> input [[texture(0)]],
-                     texture2d_array<float, access::write> output [[texture(1)]],
-                     constant bilinear_interp_param & pm [[buffer(0)]],
-                     uint3 gid [[thread_position_in_grid]]) {
-  float4 r;
-  if ((input.get_width() == output.get_width()) && (input.get_height() == output.get_height())) {
-    r = input.read(gid.xy, gid.z);
-  } else {
-    float w = gid.x * pm.ratio_w;
-    float h = gid.y * pm.ratio_h;
-    uint w0 = w, h0 = h;
-    uint w1 = w0 + 1, h1 = h0 + 1;
-    float w1lambda = w - w0, h1lambda = h - h0;
-    float w2lambda = 1.0 - w1lambda, h2lambda = 1.0 - h1lambda;
-    if (w1 >= input.get_width()) w1 = w0;
-    if (h1 >= input.get_height()) h1 = h0;
-    float4 r0 = input.read(uint2(w0, h0), gid.z);
-    float4 r1 = input.read(uint2(w1, h0), gid.z);
-    float4 r2 = input.read(uint2(w0, h1), gid.z);
-    float4 r3 = input.read(uint2(w1, h1), gid.z);
-    r = h2lambda * (w2lambda * r0 + w1lambda * r1) + h1lambda * (w2lambda * r2 + w1lambda * r3);
-  }
-  output.write(r, gid.xy, gid.z);
-}
+#define P float
+#include "BilinearInterp.inc.metal"
+#undef P
 
-//kernel void bilinear_interp_half(texture2d_array<half, access::read> input [[texture(0)]],
-//                            texture2d_array<half, access::write> output [[texture(1)]],
-//                            constant bilinear_interp_param & pm [[buffer(0)]],
-//                            uint3 gid [[thread_position_in_grid]]) {
-//
-//  half4 r;
-//  if ((input.get_width() == output.get_width()) && (input.get_height() == output.get_height())) {
-//    r = input.read(gid.xy, gid.z);
-//  } else {
-//    half w = gid.x * pm.ratio_w;
-//    half h = gid.y * pm.ratio_h;
-//    uint w0 = w, h0 = h;
-//    uint w1 = w0 + 1, h1 = h0 + 1;
-//    half w1lambda = w - w0, h1lambda = h - h0;
-//    half w2lambda = 1.0 - w1lambda, h2lambda = 1.0 - h1lambda;
-//    if (w1 >= input.get_width()) w1 = w0;
-//    if (h1 >= input.get_height()) h1 = h0;
-//    half4 r0 = input.read(uint2(w0, h0), gid.z);
-//    half4 r1 = input.read(uint2(w1, h0), gid.z);
-//    half4 r2 = input.read(uint2(w0, h1), gid.z);
-//    half4 r3 = input.read(uint2(w1, h1), gid.z);
-//    r = h2lambda * (w2lambda * r0 + w1lambda * r1) + h1lambda * (w2lambda * r2 + w1lambda * r3);
-//  }
-//  output.write(r, gid.xy, gid.z);
-//  output.write(r, gid.xy, gid.z);
-//}
+#define P half
+#include "BilinearInterp.inc.metal"
+#undef P
diff --git a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/Split.inc.metal b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/Split.inc.metal
index 4e1ab16cd7479f34fae578f7d914af061391fd12..bd45f635223f10cf0a0c4acd818c66996f30b2cf 100644
--- a/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/Split.inc.metal
+++ b/metal/paddle-mobile/paddle-mobile/Operators/Kernels/metal/Split.inc.metal
@@ -20,70 +20,89 @@
 #define VV normal
 #endif
 
+#if V == VY
 kernel void FUNC(split, R, N, VV, P)(texture2d_array<P, access::read> input [[texture(0)]],
                                  texture2d_array<P, access::write> out1 [[texture(1)]],
                                  texture2d_array<P, access::write> out2 [[texture(2)]],
 #if N >= 3
                                  texture2d_array<P, access::write> out3 [[texture(3)]],
-#endif
+#endif // N >= 3
 #if N >= 4
                                  texture2d_array<P, access::write> out4 [[texture(4)]],
-#endif
+#endif // N >= 4
                                  constant SplitParam &sp [[buffer(0)]],
                                  uint3 gid [[thread_position_in_grid]]) {
 
   VECTOR(P, 4) r = input.read(gid.xy, gid.z);
-#if V == VY
   int y = gid.y - sp.offset;
   if (y < sp.vdim[0]) {
     out1.write(r, gid.xy, gid.z);
-  } else {
-    y -= sp.vdim[0];
-    if (y < sp.vdim[1]) {
-      out2.write(r, uint2(gid.x, y), gid.z);
-    } else {
+    return;
+  }
+  y -= sp.vdim[0];
+  if (y < sp.vdim[1]) {
+    out2.write(r, uint2(gid.x, y), gid.z);
+    return;
+  }
 #if N >= 3
-      y -= sp.vdim[1];
-      if (y < sp.vdim[2]) {
-        out3.write(r, uint2(gid.x, y), gid.z);
-      } else {
+  y -= sp.vdim[1];
+  if (y < sp.vdim[2]) {
+    out3.write(r, uint2(gid.x, y), gid.z);
+    return;
+  }
+#endif // N >= 3
 #if N >= 4
-        y -= sp.vdim[2];
-        if (y < sp.vdim[3]) {
-          out4.write(r, uint2(gid.x, y), gid.z);
-        }
-#endif
-      }
-#endif
-    }
+  y -= sp.vdim[2];
+  if (y < sp.vdim[3]) {
+    out4.write(r, uint2(gid.x, y), gid.z);
+    return;
   }
-#elif V == VX
+#endif // N >= 4
+}
+#endif // V == VY
+
+
+#if V == VX
+kernel void FUNC(split, R, N, VV, P)(texture2d_array<P, access::read> input [[texture(0)]],
+                                     texture2d_array<P, access::write> out1 [[texture(1)]],
+                                     texture2d_array<P, access::write> out2 [[texture(2)]],
+#if N >= 3
+                                     texture2d_array<P, access::write> out3 [[texture(3)]],
+#endif // N >= 3
+#if N >= 4
+                                     texture2d_array<P, access::write> out4 [[texture(4)]],
+#endif // N >= 4
+                                     constant SplitParam &sp [[buffer(0)]],
+                                     uint3 gid [[thread_position_in_grid]]) {
+  VECTOR(P, 4) r = input.read(gid.xy, gid.z);
   int x = gid.x;
   if (x < sp.vdim[0]) {
     out1.write(r, gid.xy, gid.z);
-  } else {
-    x -= sp.vdim[0];
-    if (x < sp.vdim[1]) {
-      out2.write(r, uint2(x, gid.y), gid.z);
-    } else {
+    return;
+  }
+  x -= sp.vdim[0];
+  if (x < sp.vdim[1]) {
+    out2.write(r, uint2(x, gid.y), gid.z);
+    return;
+  }
 #if N >= 3
-      x -= sp.vdim[1];
-      if (x < sp.vdim[2]) {
-        out3.write(r, uint2(x, gid.y), gid.z);
-      } else {
+  x -= sp.vdim[1];
+  if (x < sp.vdim[2]) {
+    out3.write(r, uint2(x, gid.y), gid.z);
+    return;
+  }
+#endif // N >= 3
 #if N >= 4
-        x -= sp.vdim[2];
-        if (x < sp.vdim[3]) {
-          out4.write(r, uint2(x, gid.y), gid.z);
-        }
-#endif
-      }
-#endif
-    }
+  x -= sp.vdim[2];
+  if (x < sp.vdim[3]) {
+    out4.write(r, uint2(x, gid.y), gid.z);
+    return;
   }
-#else
-#endif
+#endif // N >= 4
 }
+#endif // V == VX
+
+
 
 #undef VV
 #endif