diff --git a/ChaCha20_DRBG.c b/ChaCha20_DRBG.c
index 703bc64..dc89c12 100755
--- a/ChaCha20_DRBG.c
+++ b/ChaCha20_DRBG.c
@@ -643,8 +643,6 @@ const char *ChaCha20_DRBG_Generate_algorithm(uint8_t *V, uint8_t *Key,
 
   (*reseed_counter)++;
 
-  free(additional_input);
-  free(temp);
   return "Success";
 }
 
@@ -755,18 +753,19 @@ int main() {
 
   // 需要生成的比特串长度
   printf("Enter the length of the bit string to be generated(bit): ");
-  scanf("%ld", &returned_bits_len);
-  // returned_bits_len = 128;
+  // scanf("%ld", &returned_bits_len);
+  returned_bits_len = 128;
 
   // 需要生成的比特串个数
   printf("Enter the number of the bit string to be generated: ");
-  scanf("%ld", &returned_bits_num);
-  // returned_bits_num = 1000;
+  // scanf("%ld", &returned_bits_num);
+  returned_bits_num = 1000;
 
   // char *filename; filename 未分配内存
   char filename[100]; // 假设文件名长度不超过 99 个字符
   printf("Enter the name of the saved file: ");
-  scanf("%s", filename);
+  // scanf("%s", filename);
+  strcpy(filename, "1.txt");
 
   // 生成的比特串保存在文本文件中
   FILE *file = fopen(filename, "w");
@@ -826,6 +825,5 @@ int main() {
 
   fclose(file);
 
-  free(returned_bits);
   return 0;
 }