diff --git a/APP_Framework/Applications/app_test/test_hash/README.md b/APP_Framework/Applications/app_test/test_hash/README.md
index d0e745377..f99088df4 100644
--- a/APP_Framework/Applications/app_test/test_hash/README.md
+++ b/APP_Framework/Applications/app_test/test_hash/README.md
@@ -84,7 +84,6 @@ typedef struct Stu
     int age;
     char gender;
 } Student;
-
 Student* getStudent(char *student_number, char *name,int age,char gender)
 {
     Student* new_student = (Student*)malloc(sizeof(Student));
@@ -100,7 +99,6 @@ Student* getStudent(char *student_number, char *name,int age,char gender)
     }
     return NULL;
 }
-
 void printfHash(HashMap *hash_map)
 {
     int table_size = hash_map->table_size;
@@ -125,7 +123,6 @@ void printfHash(HashMap *hash_map)
         }
     }
 }
-
 void TestHash(void)
 {
     printf("创建一个(字符串---结构体:Student)类型的哈希表,自定义或选择对应的哈希函数和比较器\n");
@@ -224,7 +221,6 @@ void TestHash(void)
         hashMapDelete(hash_map);
     }
 }
-
 PRIV_SHELL_CMD_FUNCTION(TestHash, a hash test sample, PRIV_SHELL_CMD_MAIN_ATTR);
 ```