From 65df86acaede608cb416c10f575ff0053dd674e8 Mon Sep 17 00:00:00 2001
From: zogodo <742782908@qq.com>
Date: Thu, 26 Dec 2019 23:47:31 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E7=BE=8E!?=
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---
 TC1/timed_task/timed_task.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/TC1/timed_task/timed_task.c b/TC1/timed_task/timed_task.c
index dba6c67..8fd7451 100644
--- a/TC1/timed_task/timed_task.c
+++ b/TC1/timed_task/timed_task.c
@@ -93,16 +93,11 @@ bool DelTask(int time)
 
 char* GetTaskStr()
 {
-    if (task_top == NULL)
-    {
-        char* str = (char*)malloc(sizeof(char)*3);
-        sprintf(str, "%s", "[]");
-        return str;
-    }
-    char* str = (char*)malloc(sizeof(char)*task_count * 60);
+    char* str = (char*)malloc(sizeof(char)*(task_count*60+2));
     pTimedTask tmp_tsk = task_top;
     char* tmp_str = str;
     tmp_str[0] = '[';
+    tmp_str[2] = 0;
     tmp_str++;
     while (tmp_tsk)
     {
@@ -116,6 +111,7 @@ char* GetTaskStr()
         tmp_str += strlen(tmp_str);
         tmp_tsk = tmp_tsk->next;
     }
-    *(--tmp_str) = ']';
+    if (task_count > 0) --tmp_str;
+    *tmp_str = ']';
     return str;
 }