diff --git a/Reports/5-bonus/report.md b/Reports/5-bonus/report.md
index 60116d8454394b09af8f59ab6c275b4714e1f6cd..6ba6050676d315168edefcc205642ac419c782c1 100644
--- a/Reports/5-bonus/report.md
+++ b/Reports/5-bonus/report.md
@@ -41,15 +41,15 @@
   [PB20111654@localhost test]$ time cat IN | ./a.out
   711082625
   
-  real	0m4.997s
-  user	0m4.998s
-  sys	0m0.000s
+  real    0m4.997s
+  user    0m4.998s
+  sys    0m0.000s
   [PB20111654@localhost test]$ time cat IN | ./test
   711082625
   
-  real	0m0.138s
-  user	0m0.138s
-  sys	0m0.000s
+  real    0m0.138s
+  user    0m0.138s
+  sys    0m0.000s
   ```
 
 - `tests/4-ir-opt/testcases/GVN/performance/transpose.cminus`
@@ -58,15 +58,15 @@
   [PB20111654@localhost test]$ time cat IN | ./a.out
   1042523985
   
-  real	0m3.024s
-  user	0m3.012s
-  sys	0m0.013s
+  real    0m3.024s
+  user    0m3.012s
+  sys    0m0.013s
   [PB20111654@localhost test]$ time cat IN | ./test
   1042523985
   
-  real	0m2.954s
-  user	0m2.938s
-  sys	0m0.017s
+  real    0m2.954s
+  user    0m2.938s
+  sys    0m0.017s
   ```
 
 ## 实验流程