diff --git a/go/pserver/cclient/test/main.c b/go/pserver/cclient/test/main.c
index a074808b16a85d732762d81343a47878a6ee0efa..72ec3590768c8ec7b2bfb400888c146f1d6077a4 100644
--- a/go/pserver/cclient/test/main.c
+++ b/go/pserver/cclient/test/main.c
@@ -41,7 +41,7 @@ retry:
 
   unsigned char content[] = {0x00, 0x11, 0x22};
   paddle_gradient** grads =
-          (paddle_gradient**)malloc(sizeof(paddle_gradient*) * 2);
+      (paddle_gradient**)malloc(sizeof(paddle_gradient*) * 2);
   grads[0] = (paddle_gradient*)malloc(sizeof(paddle_gradient));
   grads[0]->name = "param_a";
   grads[0]->content = content;
diff --git a/go/pserver/cclient/test/test_cclient.c b/go/pserver/cclient/test/test_cclient.c
index 4d6fca29fbeb1ac597e54e2eb7ab55ac4389cf0e..82cef386d7561950274bba67d82a932b7fc10455 100644
--- a/go/pserver/cclient/test/test_cclient.c
+++ b/go/pserver/cclient/test/test_cclient.c
@@ -20,8 +20,8 @@ void print_parameter(paddle_gradient* param) {
     printf("name: %s\n", param->name);
     printf("content_len: %d\n", param->content_len);
     printf("content_type: %d\n", param->element_type);
-    for (int i = 0; i < param->content_len/sizeof(real); ++i) {
-      printf("%f ", ((float *)param->content)[i]);
+    for (int i = 0; i < param->content_len / sizeof(real); ++i) {
+      printf("%f ", ((float*)param->content)[i]);
     }
     printf("\n\n");
   }
diff --git a/go/pserver/optimizer.c b/go/pserver/optimizer.c
index 5d0b1017ce38c65831943e0d9339476b6537c62c..47fe1efbf59e7b2e198279ca9de5af26602e0cbd 100644
--- a/go/pserver/optimizer.c
+++ b/go/pserver/optimizer.c
@@ -33,10 +33,10 @@ int update_SGD(void* optimizer,
                int num_bytes) {
   SGD_optimizer* o = (SGD_optimizer*)optimizer;
   // TODO(a simple SGD implement)
-  float* parameter = (float *)buffer;
-  float* grad = (float *)gradient;
+  float* parameter = (float*)buffer;
+  float* grad = (float*)gradient;
 
-  for(int i = 0; i < num_bytes/sizeof(float); ++i) {
+  for (int i = 0; i < num_bytes / sizeof(float); ++i) {
     parameter[i] -= o->learning_rate * grad[i];
   }
   return 0;
diff --git a/paddle/trainer/NewRemoteParameterUpdater.h b/paddle/trainer/NewRemoteParameterUpdater.h
index db9b44af194176bdd268f7b198d845c0154a426f..b7c0425982b28f5a2ba0e7a4aee73daf4f82814a 100644
--- a/paddle/trainer/NewRemoteParameterUpdater.h
+++ b/paddle/trainer/NewRemoteParameterUpdater.h
@@ -89,7 +89,8 @@ private:
       new_params[i]->name = (char*)param->getName().c_str();
       new_params[i]->content =
           (unsigned char*)(param->getBuf(type).get()->getData());
-      new_params[i]->content_len = (int)param->getBuf(type).get()->getSize() * sizeof(real);
+      new_params[i]->content_len =
+          (int)param->getBuf(type).get()->getSize() * sizeof(real);
     }
     return new_params;
   }