diff --git a/src/operators/kernel/central-arm-func/conv_add_arm_func.h b/src/operators/kernel/central-arm-func/conv_add_arm_func.h
index d163b8862a082a06742b7344e34a5adb0b0cc871..da9e5b82ff82b102d92c4a2268597f3580ee9abb 100644
--- a/src/operators/kernel/central-arm-func/conv_add_arm_func.h
+++ b/src/operators/kernel/central-arm-func/conv_add_arm_func.h
@@ -31,12 +31,7 @@ void ConvAddBasic(const FusionConvAddParam &param) {
   Tensor bias = *param.Bias();
   int axis = param.Axis();
   Tensor *output = param.Output();
-  math::expand_bias(bias, axis, output->dims());
-  float *output_data = output->data<float>();
   float *biase_data = bias.data<float>();
-  for (int k = 0; k < output->numel(); ++k) {
-    output_data[k] = biase_data[k];
-  }
 
   int groups = param.Groups();
   std::vector<int> strides = param.Strides();
@@ -111,9 +106,9 @@ void ConvAddBasic(const FusionConvAddParam &param) {
       // gemm
       Tensor out_slice = out_batch.Slice(g * out_step, (g + 1) * out_step);
       Tensor filter_slice = filter.Slice(g * out_step, (g + 1) * out_step);
-      math::matmul<float>(filter_slice, false, col_matrix, false,
-                          static_cast<float>(1), &out_slice,
-                          static_cast<float>(1));
+      math::matmulWithBias<float>(filter_slice, false, col_matrix, false,
+                                  static_cast<float>(1), &out_slice,
+                                  static_cast<float>(1), false, biase_data);
     }
   }
 }
diff --git a/src/operators/kernel/central-arm-func/conv_add_relu_arm_func.h b/src/operators/kernel/central-arm-func/conv_add_relu_arm_func.h
index 363927ab8e257c74061067b88dcd5a49b322ae72..1849b87ca076f79a2b2f14b3e387bd757f96a3f4 100644
--- a/src/operators/kernel/central-arm-func/conv_add_relu_arm_func.h
+++ b/src/operators/kernel/central-arm-func/conv_add_relu_arm_func.h
@@ -28,12 +28,12 @@ void ConvAddReluCompute(const FusionConvAddReluParam &param) {
   Tensor bias = *param.Bias();
   int axis = param.Axis();
   Tensor *output = param.Output();
-  math::expand_bias(bias, axis, output->dims());
+  //  math::expand_bias(bias, axis, output->dims());
   float *output_data = output->data<float>();
   float *biase_data = bias.data<float>();
-  for (int k = 0; k < output->numel(); ++k) {
-    output_data[k] = biase_data[k];
-  }
+  //  for (int k = 0; k < output->numel(); ++k) {
+  //    output_data[k] = biase_data[k];
+  //  }
 
   int groups = param.Groups();
   std::vector<int> strides = param.Strides();
@@ -109,9 +109,9 @@ void ConvAddReluCompute(const FusionConvAddReluParam &param) {
       // gemm
       Tensor out_slice = out_batch.Slice(g * out_step, (g + 1) * out_step);
       Tensor filter_slice = filter.Slice(g * out_step, (g + 1) * out_step);
-      math::matmul<float>(filter_slice, false, col_matrix, false,
-                          static_cast<float>(1), &out_slice,
-                          static_cast<float>(1), true);
+      math::matmulWithBias<float>(filter_slice, false, col_matrix, false,
+                                  static_cast<float>(1), &out_slice,
+                                  static_cast<float>(1), true, biase_data);
     }
   }
 }
diff --git a/src/operators/kernel/central-arm-func/fusion_fc_arm_func.h b/src/operators/kernel/central-arm-func/fusion_fc_arm_func.h
index 8a01f554140712c6a941b40372cbcfe35a951ce7..f23c86fef1819c66676c82feed71bafe0cb96e8e 100644
--- a/src/operators/kernel/central-arm-func/fusion_fc_arm_func.h
+++ b/src/operators/kernel/central-arm-func/fusion_fc_arm_func.h
@@ -45,16 +45,16 @@ void FusionFcCompute(const FusionFcParam &param) {
   PADDLE_MOBILE_ENFORCE(out_dim[1] == input_z->dims()[0],
                         " out_dim.size must be 2.");
   axis = (axis == -1 ? out_dim.size() - input_z->dims().size() : axis);
-  PADDLE_MOBILE_ENFORCE(axis == 1, " to fit broadcast, axis = 1. ")
+  PADDLE_MOBILE_ENFORCE(axis == 1, " to fit broadcast, axis = 1. ");
 
   int64_t classes = input_z->numel();
   for (int i = 0; i < out_dim[0]; i++) {
     memory::Copy(out_data + i * classes, input_z_data, sizeof(float) * classes);
   }
 
-  for (int i = 0; i < out->numel(); i++) {
-    DLOG << out_data[i];
-  }
+  //  for (int i = 0; i < out->numel(); i++) {
+  //    DLOG << out_data[i];
+  //  }
   math::matmul<float>(x_matrix, false, y_matrix, false, static_cast<float>(1),
                       out, static_cast<float>(1));
   PADDLE_MOBILE_ENFORCE(out_dim.size() == 2, " out_dim.size must be 2.");
diff --git a/src/operators/math/gemm.cpp b/src/operators/math/gemm.cpp
index 20d71907ff9e391d97ce75e38b6e08dc1286a9a3..580b8b77647ce5be5fa5ec094e571c34b32220ab 100644
--- a/src/operators/math/gemm.cpp
+++ b/src/operators/math/gemm.cpp
@@ -373,9 +373,9 @@ void InnerKernel(int mc, int nc, float alpha, const float *a, const float *b,
 #endif
     }
   }
-
   if (alpha != 1) {
     WriteWithAlphaBeta(mc, nc, c, C, ldc);
+
     return;
   }
   if (beta == 0) {
@@ -392,6 +392,42 @@ void InnerKernel(int mc, int nc, float alpha, const float *a, const float *b,
   }
 }
 
+// 分块矩阵乘法
+void InnerKernelWithBias(int mc, int nc, float alpha, const float *a,
+                         const float *b, float beta, float *c, float *C,
+                         int ldc, bool relu, float *bias) {
+#pragma omp parallel for
+  for (int j = 0; j < nc; j += NR) {
+    for (int i = 0; i < mc; i += MR) {
+#if __aarch64__
+      // AddDot8x12(KC, a + i * KC, b + j * KC, c + i * NC + j, NC);
+      AddDot6x16(KC, a + i * KC, b + j * KC, c + i * NC + j, NC);
+#else
+      // AddDot4x4(KC, a + i * KC, b + j * KC, c + i * NC + j, NC);
+      // AddDot4x8(KC, a + i * KC, b + j * KC, c + i * NC + j, NC);
+      AddDot6x8(KC, a + i * KC, b + j * KC, c + i * NC + j, NC);
+#endif
+    }
+  }
+
+  if (alpha != 1) {
+    WriteWithAlphaBeta(mc, nc, c, C, ldc);
+    return;
+  }
+  if (beta == 0) {
+    WriteBasic(mc, nc, c, C, ldc);
+    return;
+  }
+  if (beta == 1 && !relu) {
+    WriteWithAddV1(mc, nc, c, C, ldc, bias);
+    return;
+  }
+  if (beta == 1 && relu) {
+    WriteWithAddReluV1(mc, nc, c, C, ldc, bias);
+    return;
+  }
+}
+
 // 分块矩阵乘法
 void InnerKernelWithBn(int mc, int nc, float alpha, const float *a,
                        const float *b, float beta, float *c, float *C, int ldc,
@@ -577,6 +613,43 @@ void WriteWithAdd(int mc, int nc, float *c, float *C, int ldc) {
     }
   }
 }
+// C = A * B + bias
+void WriteWithAddV1(int mc, int nc, float *c, float *C, int ldc, float *bias) {
+  int nc1 = nc / 4;
+  int _nc1 = nc % 4;
+
+  float *c_ptr, *C_ptr;
+  float32x4_t cv;
+  float32x4_t biasv;
+  for (int i = 0; i < mc; ++i) {
+    c_ptr = c + i * NC;
+    C_ptr = C + i * ldc;
+    biasv = vld1q_dup_f32(bias + i);
+    for (int j = 0; j < nc1; ++j) {
+      cv = vld1q_f32(c_ptr);
+      cv = vaddq_f32(cv, biasv);
+      vst1q_f32(C_ptr, cv);
+      c_ptr += 4;
+      C_ptr += 4;
+    }
+    if (_nc1 != 0) {
+      cv = vld1q_f32(c_ptr);
+      cv = vaddq_f32(cv, biasv);
+      if (_nc1 >= 1) {
+        vst1q_lane_f32(C_ptr, cv, 0);
+        C_ptr++;
+      }
+      if (_nc1 >= 2) {
+        vst1q_lane_f32(C_ptr, cv, 1);
+        C_ptr++;
+      }
+      if (_nc1 >= 3) {
+        vst1q_lane_f32(C_ptr, cv, 2);
+        C_ptr++;
+      }
+    }
+  }
+}
 
 // C = A * B + C, relu(C)
 void WriteWithAddRelu(int mc, int nc, float *c, float *C, int ldc) {
@@ -619,6 +692,48 @@ void WriteWithAddRelu(int mc, int nc, float *c, float *C, int ldc) {
   }
 }
 
+// C = A * B + bias, relu(C)
+void WriteWithAddReluV1(int mc, int nc, float *c, float *C, int ldc,
+                        float *bias) {
+  int nc1 = nc / 4;
+  int _nc1 = nc % 4;
+
+  float *c_ptr, *C_ptr;
+  float32x4_t cv;
+  float32x4_t biasv;
+  float32x4_t zero = vdupq_n_f32(0.0);
+  for (int i = 0; i < mc; ++i) {
+    c_ptr = c + i * NC;
+    C_ptr = C + i * ldc;
+    biasv = vld1q_dup_f32(bias + i);
+    for (int j = 0; j < nc1; ++j) {
+      cv = vld1q_f32(c_ptr);
+      cv = vaddq_f32(cv, biasv);
+      cv = vmaxq_f32(cv, zero);
+      vst1q_f32(C_ptr, cv);
+      c_ptr += 4;
+      C_ptr += 4;
+    }
+    if (_nc1 != 0) {
+      cv = vld1q_f32(c_ptr);
+      cv = vaddq_f32(cv, biasv);
+      cv = vmaxq_f32(cv, zero);
+      if (_nc1 >= 1) {
+        vst1q_lane_f32(C_ptr, cv, 0);
+        C_ptr++;
+      }
+      if (_nc1 >= 2) {
+        vst1q_lane_f32(C_ptr, cv, 1);
+        C_ptr++;
+      }
+      if (_nc1 >= 3) {
+        vst1q_lane_f32(C_ptr, cv, 2);
+        C_ptr++;
+      }
+    }
+  }
+}
+
 // C = A * B, batchnorm(C)
 void WriteWithBn(int mc, int nc, float *c, float *C, int ldc, float *new_scale,
                  float *new_bias) {
@@ -1448,6 +1563,44 @@ void WriteWithAdd(int mc, int nc, float *c, float *C, int ldc) {
   }
 }
 
+// C = A * B + bias
+void WriteWithAddV1(int mc, int nc, float *c, float *C, int ldc, float *bias) {
+  int nc1 = nc / 4;
+  int _nc1 = nc % 4;
+
+  float *c_ptr, *C_ptr;
+  float32x4_t cv;
+  float32x4_t biasv;
+  for (int i = 0; i < mc; ++i) {
+    c_ptr = c + i * NC;
+    C_ptr = C + i * ldc;
+    biasv = vld1q_dup_f32(bias + i);
+    for (int j = 0; j < nc1; ++j) {
+      cv = vld1q_f32(c_ptr);
+      cv = vaddq_f32(cv, biasv);
+      vst1q_f32(C_ptr, cv);
+      c_ptr += 4;
+      C_ptr += 4;
+    }
+    if (_nc1 != 0) {
+      cv = vld1q_f32(c_ptr);
+      cv = vaddq_f32(cv, biasv);
+      if (_nc1 >= 1) {
+        vst1q_lane_f32(C_ptr, cv, 0);
+        C_ptr++;
+      }
+      if (_nc1 >= 2) {
+        vst1q_lane_f32(C_ptr, cv, 1);
+        C_ptr++;
+      }
+      if (_nc1 >= 3) {
+        vst1q_lane_f32(C_ptr, cv, 2);
+        C_ptr++;
+      }
+    }
+  }
+}
+
 // C = A * B + C, relu(C)
 void WriteWithAddRelu(int mc, int nc, float *c, float *C, int ldc) {
   int nc1 = nc / 16;
@@ -1522,6 +1675,48 @@ void WriteWithAddRelu(int mc, int nc, float *c, float *C, int ldc) {
   }
 }
 
+// C = A * B + bias, relu(C)
+void WriteWithAddReluV1(int mc, int nc, float *c, float *C, int ldc,
+                        float *bias) {
+  int nc1 = nc / 4;
+  int _nc1 = nc % 4;
+
+  float *c_ptr, *C_ptr;
+  float32x4_t cv;
+  float32x4_t biasv;
+  float32x4_t zero = vdupq_n_f32(0.0);
+  for (int i = 0; i < mc; ++i) {
+    c_ptr = c + i * NC;
+    C_ptr = C + i * ldc;
+    biasv = vld1q_dup_f32(bias + i);
+    for (int j = 0; j < nc1; ++j) {
+      cv = vld1q_f32(c_ptr);
+      cv = vaddq_f32(cv, biasv);
+      cv = vmaxq_f32(cv, zero);
+      vst1q_f32(C_ptr, cv);
+      c_ptr += 4;
+      C_ptr += 4;
+    }
+    if (_nc1 != 0) {
+      cv = vld1q_f32(c_ptr);
+      cv = vaddq_f32(cv, biasv);
+      cv = vmaxq_f32(cv, zero);
+      if (_nc1 >= 1) {
+        vst1q_lane_f32(C_ptr, cv, 0);
+        C_ptr++;
+      }
+      if (_nc1 >= 2) {
+        vst1q_lane_f32(C_ptr, cv, 1);
+        C_ptr++;
+      }
+      if (_nc1 >= 3) {
+        vst1q_lane_f32(C_ptr, cv, 2);
+        C_ptr++;
+      }
+    }
+  }
+}
+
 // C = A * B, batchnorm(C)
 void WriteWithBn(int mc, int nc, float *c, float *C, int ldc, float *scale,
                  float *bias) {
@@ -2113,6 +2308,68 @@ void Sgemm(int m, int n, int k, float alpha, const float *A, int lda,
   paddle_mobile::memory::Free(packedC);
   paddle_mobile::memory::Free(zero);
 }
+void SgemmWithBias(int m, int n, int k, float alpha, const float *A, int lda,
+                   const float *B, int ldb, float beta, float *C, int ldc,
+                   bool relu, float *bias) {
+  // L1 data cache is 32 kib (Per Contex-A57, Contex-A72, Contex-A73)
+  // L2 cache is 0.5~4 Mib (Contex-A72 cluster)
+  int L1 = 32 * 1024;
+  int L2 = 0.5 * 1024 * 1024;
+
+  KC = k;
+  MC = L1 / (KC * sizeof(float));
+  NC = L2 / (KC * sizeof(float));
+
+  // make sure MC is multiple of MR, and NC is multiple of NR
+  int mblock_num = (m + MC - 1) / MC;
+  MC = (m + mblock_num - 1) / mblock_num;
+  MC = (MC + MR - 1) / MR * MR;
+  //  DLOG << "mblock_num = " << mblock_num << ", MC = " << MC << "\n";
+
+  int nblock_num = (n + NC - 1) / NC;
+  NC = (n + nblock_num - 1) / nblock_num;
+  NC = (NC + NR - 1) / NR * NR;
+  //  DLOG << "nblock_num = " << nblock_num << ", NC = " << NC << "\n";
+
+  packedA = static_cast<float *>(
+      paddle_mobile::memory::Alloc(sizeof(float) * MC * KC));
+  packedB = static_cast<float *>(
+      paddle_mobile::memory::Alloc(sizeof(float) * KC * NC));
+  packedC = static_cast<float *>(
+      paddle_mobile::memory::Alloc(sizeof(float) * MC * NC));
+  zero = static_cast<float *>(paddle_mobile::memory::Alloc(sizeof(float) * KC));
+
+  for (int l = 0; l < KC; ++l) {
+    zero[l] = 0;
+  }
+
+  int mc, nc;
+  for (int j = 0; j < n; j += NC) {
+    nc = s_min(n - j, NC);
+#if __aarch64__
+    // PackMatrixB_12c(KC, nc, nc % NR, &B(0, j), ldb, packedB);
+    PackMatrixB_16c(KC, nc, nc % NR, &B(0, j), ldb, packedB);
+#else
+    PackMatrixB_8c(KC, nc, nc % NR, &B(0, j), ldb, packedB);
+#endif
+    for (int i = 0; i < m; i += MC) {
+      mc = s_min(m - i, MC);
+#if __aarch64__
+      PackMatrixA_6r(mc, KC, mc % MR, &A(i, 0), lda, packedA);
+      // PackMatrixA_8r(mc, KC, mc % MR, &A(i, 0), lda, packedA);
+#else
+      PackMatrixA_6r(mc, KC, mc % MR, &A(i, 0), lda, packedA);
+#endif
+      InnerKernelWithBias(mc, nc, alpha, packedA, packedB, beta, packedC,
+                          &C(i, j), ldc, relu, bias + i);
+    }
+  }
+
+  paddle_mobile::memory::Free(packedA);
+  paddle_mobile::memory::Free(packedB);
+  paddle_mobile::memory::Free(packedC);
+  paddle_mobile::memory::Free(zero);
+}
 
 void SgemmWithBn(int m, int n, int k, float alpha, const float *A, int lda,
                  const float *B, int ldb, float beta, float *C, int ldc,
diff --git a/src/operators/math/gemm.h b/src/operators/math/gemm.h
index a9593b15ae73f46aa287028ba74efdb0d303fdde..aa0958c1bf96aaba52bb762efec8b0fd252d0db1 100644
--- a/src/operators/math/gemm.h
+++ b/src/operators/math/gemm.h
@@ -62,6 +62,9 @@ void PackMatrixB_16c(int k, int n, int n_tail, const float *B, int ldb,
 // 分块矩阵乘法
 void InnerKernel(int mc, int nc, float alpha, const float *a, const float *b,
                  float beta, float *c, float *C, int ldc, bool relu);
+void InnerKernelWithBias(int mc, int nc, float alpha, const float *a,
+                         const float *b, float beta, float *c, float *C,
+                         int ldc, bool relu, float *bias);
 
 void InnerKernelWithBn(int mc, int nc, float alpha, const float *a,
                        const float *b, float beta, float *c, float *C, int ldc,
@@ -91,8 +94,13 @@ void WriteBasic(int mc, int nc, float *c, float *C, int ldc);
 void WriteWithAlphaBeta(int mc, int nc, float *c, float *C, int ldc);
 // C = A * B + C
 void WriteWithAdd(int mc, int nc, float *c, float *C, int ldc);
+// C = A * B + bias
+void WriteWithAddV1(int mc, int nc, float *c, float *C, int ldc, float *bias);
 // C = A * B + C, relu(C)
 void WriteWithAddRelu(int mc, int nc, float *c, float *C, int ldc);
+// C = A * B + bias ,relu(C)
+void WriteWithAddReluV1(int mc, int nc, float *c, float *C, int ldc,
+                        float *bias);
 // C = A * B, batchnorm(C)
 void WriteWithBn(int mc, int nc, float *c, float *C, int ldc, float *new_scale,
                  float *new_bias);
@@ -121,6 +129,9 @@ void VecWriteWithBnRelu(int n, float *c, float *C, int ldc, float *new_scale,
 // 32位 float 矩阵乘法
 void Sgemm(int m, int n, int k, float alpha, const float *A, int lda,
            const float *B, int ldb, float beta, float *C, int ldc, bool relu);
+void SgemmWithBias(int m, int n, int k, float alpha, const float *A, int lda,
+                   const float *B, int ldb, float beta, float *C, int ldc,
+                   bool relu, float *bias);
 
 // 32位 float 矩阵乘法, 并对结果进行 batchnrom
 void SgemmWithBn(int m, int n, int k, float alpha, const float *A, int lda,
diff --git a/src/operators/math/math_function.cpp b/src/operators/math/math_function.cpp
index d881014ccb3f29393ca73fa0e7f4792d4c0d65c7..e024609863ccb95506b4543732354e6424445205 100644
--- a/src/operators/math/math_function.cpp
+++ b/src/operators/math/math_function.cpp
@@ -44,6 +44,33 @@ void matmul<float>(const framework::Tensor &matrix_a, bool trans_a,
   Sgemm(M, N, K, alpha, matrix_a.data<float>(), K, matrix_b.data<float>(), N,
         beta, matrix_out->data<float>(), N, relu);
 }
+template <>
+void matmulWithBias<float>(const framework::Tensor &matrix_a, bool trans_a,
+                           const framework::Tensor &matrix_b, bool trans_b,
+                           float alpha, framework::Tensor *matrix_out,
+                           float beta, bool relu, float *bias) {
+  auto dim_a = matrix_a.dims();
+  auto dim_b = matrix_b.dims();
+  auto dim_out = matrix_out->dims();
+  //  PADDLE_ENFORCE(dim_a.size() == 2 && dim_b.size() == 2 &&
+  //  dim_out.size() ==
+  //  2,
+  //                 "The input and output of matmul be matrix");
+  //
+  //  PADDLE_ENFORCE(platform::is_cpu_place(matrix_a.place()) &&
+  //                     platform::is_cpu_place(matrix_b.place())
+  //                     &&
+  //                     platform::is_cpu_place(matrix_out->place()),
+  //                 "Matrix must all be in CPUPlace");
+
+  int M = dim_out[0];
+  int N = dim_out[1];
+  int K = (!trans_a) ? dim_a[1] : dim_a[0];
+
+  SgemmWithBias(M, N, K, alpha, matrix_a.data<float>(), K,
+                matrix_b.data<float>(), N, beta, matrix_out->data<float>(), N,
+                relu, bias);
+}
 
 template <>
 void matmulWithBn<float>(const framework::Tensor &matrix_a, bool trans_a,
diff --git a/src/operators/math/math_function.h b/src/operators/math/math_function.h
index b5179458a2bf9e6817366c7bd4ea1f536fd21642..8bb3c03f80bcdc33db56ce4b82395d841a211863 100644
--- a/src/operators/math/math_function.h
+++ b/src/operators/math/math_function.h
@@ -26,6 +26,11 @@ template <typename T>
 void matmul(const framework::Tensor &matrix_a, bool trans_a,
             const framework::Tensor &matrix_b, bool trans_b, T alpha,
             framework::Tensor *matrix_out, T beta, bool relu = false);
+template <typename T>
+void matmulWithBias(const framework::Tensor &matrix_a, bool trans_a,
+                    const framework::Tensor &matrix_b, bool trans_b, T alpha,
+                    framework::Tensor *matrix_out, T beta, bool relu,
+                    float *bias);
 
 template <typename T>
 void matmulWithBn(const framework::Tensor &matrix_a, bool trans_a,