修复因启动django子线程导致自动任务失效的bug，并优化自动任务

auto_pt/migrations/0002_alter_notify_name_alter_taskjob_expression_time_and_more.py

@@ -0,0 +1,58 @@
+# Generated by Django 4.1 on 2022-10-11 09:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auto_pt", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="notify",
+            name="name",
+            field=models.CharField(
+                choices=[
+                    ("wechat_work_push", "企业微信通知"),
+                    ("wxpusher_push", "WxPusher通知"),
+                    ("pushdeer_push", "PushDeer通知"),
+                    ("bark_push", "Bark通知"),
+                    ("iyuu_push", "爱语飞飞"),
+                ],
+                default="wechat_work_push",
+                max_length=64,
+                verbose_name="通知方式",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="taskjob",
+            name="expression_time",
+            field=models.CharField(
+                help_text="在间隔任务表示间隔时长使用数字，单位：秒，corn任务中为五位corn表达式：“15 8 * * 2022”",
+                max_length=64,
+                verbose_name="时间表达式",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="taskjob",
+            name="jitter",
+            field=models.IntegerField(
+                default=1200, help_text="增强时间随机性", verbose_name="时间浮动参数"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="taskjob",
+            name="misfire_grace_time",
+            field=models.IntegerField(
+                default=600,
+                help_text="强制执行结束的时间, 为避免撞车导致任务丢失, 没执行完就别执行了",
+                verbose_name="任务运行时间",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="taskjob",
+            name="task_exec",
+            field=models.BooleanField(default=True, verbose_name="开启任务"),
+        ),
+    ]