diff --git a/test/common/test_gemm.cpp b/test/common/test_gemm.cpp
index 4ae4a1a7c5ba37c8745ff23ff2afccaaeb184176..27cd6d474a83f7f24b9e6fd5991a81322dd6d9ab 100644
--- a/test/common/test_gemm.cpp
+++ b/test/common/test_gemm.cpp
@@ -25,7 +25,6 @@ limitations under the License. */
 #define c(i, j) c[(i)*ldc + (j)]
 #define c1(i, j) c1[(i)*ldc + (j)]
 
-
 void print_matirx(int m, int n, int ldc, float *c) {
     for (int i = 0; i < m; ++i) {
         std::cout << c(i, 0);
@@ -48,7 +47,7 @@ int do_sgemm(int m, int n, int k, bool relu, int t1, int t2, int pr) {
   float *c1 = static_cast<float *>(paddle_mobile::memory::Alloc(sizeof(float) * m * n));
   float* scale = static_cast<float *>(paddle_mobile::memory::Alloc(sizeof(float) * m));
   float* bias = static_cast<float *>(paddle_mobile::memory::Alloc(sizeof(float) * m));
-  
+
   srand(unsigned(time(0)));
   for (int i = 0; i < m * k; ++i) {
     a[i] = t1 + rand() % t2; 
@@ -62,7 +61,7 @@ int do_sgemm(int m, int n, int k, bool relu, int t1, int t2, int pr) {
   for (int i = 0; i < m; ++i) {
     bias[i] = t1 + rand() % t2; 
   }
-  
+
   for (int i = 0; i < m; ++i) {
     for (int j = 0; j < n; ++j) {
       float r = 0;
@@ -77,7 +76,7 @@ int do_sgemm(int m, int n, int k, bool relu, int t1, int t2, int pr) {
       c1(i, j) = r;
     }
   }
-  
+
   paddle_mobile::operators::math::SgemmWithBn(m, n, k, 0.9, a, lda,
                  b, ldb, 0.3, c, ldc, relu, scale, bias);
   int eq = 0;
@@ -89,22 +88,19 @@ int do_sgemm(int m, int n, int k, bool relu, int t1, int t2, int pr) {
         ++neq;
     }
   }
-  
+
   if (pr > 0) {
     std::cout << "A:" << std::endl;
     print_matirx(m, k, lda, a);
-    
     std::cout << "B:" << std::endl;
     print_matirx(k, n, ldb, b);
-    
     std::cout << "C:" << std::endl;
     print_matirx(m, n, ldc, c);
-
     std::cout << "C1:" << std::endl;
     print_matirx(m, n, ldc, c1);
   }
-    
-  std::cout << "mnk=" << m << " " << n << " " << k << 
+
+  std::cout << "mnk=" << m << " " << n << " " << k <<
     " relu=" << relu <<
     "   eq=" << eq << " neq=" << neq << std::endl;
 
@@ -114,19 +110,19 @@ int do_sgemm(int m, int n, int k, bool relu, int t1, int t2, int pr) {
   paddle_mobile::memory::Free(c1);
   paddle_mobile::memory::Free(scale);
   paddle_mobile::memory::Free(bias);
-        
+
   return 0;
 }
 
 int main() {
-    
+
   do_sgemm(9, 9, 9, true, 10, 10, 10);
   do_sgemm(10, 6, 12, false, 10, 10, 0);
   do_sgemm(512, 256, 384, false, 10, 10, 0);
   do_sgemm(1366, 768, 256, false, 10, 10, 0);
   do_sgemm(1255, 755, 333, false, 10, 10, 0);
   do_sgemm(555, 777, 999, false, 10, 10, 0);
-  
+
   do_sgemm(10, 6, 12, true, -4, 10, 0);
   do_sgemm(512, 256, 384, true, -4, 10, 0);
   do_sgemm(1366, 768, 256, true, -4, 10, 0);