diff --git a/main.c b/main.c
index aa49880..5d99d7e 100644
--- a/main.c
+++ b/main.c
@@ -27,7 +27,7 @@ int main(int argc, char** argv)
     int     i = 0, j = 0;
     int32_t q_gain_max_scale = pow(2, Q_MAX + 1);
     uint8_t q_shift          = 0;
-    float  data_temp        = 0;
+    float   data_temp        = 0;
     printf("max q gain scale is %d\r\n", q_gain_max_scale);
 
     printf("\r\n//===============calc positive===========================\r\n");
@@ -42,7 +42,7 @@ int main(int argc, char** argv)
                 break;
             }
         }
-        q_shift            = (j >= Q_MAX) ? j - 1: j;
+        q_shift            = (j >= Q_MAX) ? j - 1 : j;
         data_q[i]          = q_shift;
         data_gain_scale[i] = (int32_t)(data_temp / 2);
     }
@@ -70,7 +70,7 @@ int main(int argc, char** argv)
                 break;
             }
         }
-        q_shift            = (j >= Q_MAX) ? j - 1: j;
+        q_shift            = (j >= Q_MAX) ? j - 1 : j;
         data_q[i]          = q_shift;
         data_gain_scale[i] = (int32_t)(data_temp / 2);
     }