diff --git a/MQTT.py b/MQTT.py
index e56ab4d..e5b9a40 100644
--- a/MQTT.py
+++ b/MQTT.py
@@ -9,21 +9,26 @@ class MQTT:
     def on_connect(self, client, userdata, flags, rc):
         if rc == 0:
             client.subscribe('lot_stream')
+
     # Message receiving callback
     def on_message(self, client, userdata, msg):
         data = json.loads(msg.payload.decode('utf-8'))["msg"]
         if data == "push_stream":
             # 启动推流视频
             push_stream()
+            client.publish('success', payload='push_stream success', qos=0)
         elif data == "close_stream":
             # 关闭推流视频
             close_stream()
+            client.publish('success', payload='close_stream success', qos=0)
         elif data == "exec":
             #  执行命令
             exec_sh(msg)
+            client.publish('success', payload='exec_sh success', qos=0)
         elif data == "update":
             #  git更新项目和配置文件
             update()
+            client.publish('success', payload='update success', qos=0)
         else:
             client.publish('error', payload='No Such Type', qos=0)
 
@@ -38,5 +43,6 @@ class MQTT:
         # Publish a message
         self.client.loop_forever(retry_first_connection=True)
 
+
 if __name__ == '__main__':
     mq = MQTT()
diff --git a/api.py b/api.py
index fa4818c..9d42af0 100644
--- a/api.py
+++ b/api.py
@@ -3,7 +3,7 @@ import subprocess
 
 import uvicorn
 from db.models.base import BaseResponse
-from db.models.log_data_model import LOT_DATA
+from db.models.log_data_model import LOT_DATA, LOT_DATA_MODEL
 from db.repository import add_kb_to_db, get_kb_detail, get_kb_detail_by_time, delete_kb_detail_by_time
 
 from fastapi import FastAPI
@@ -17,6 +17,14 @@ def add(data: LOT_DATA):
         return BaseResponse(code=500, msg=e)
 
 
+def delete(start_time, end_time):
+    try:
+        delete_kb_detail_by_time(start_time, end_time)
+        return BaseResponse()
+    except Exception as e:
+        return BaseResponse(code=500, msg=e)
+
+
 def get_data():
     try:
         data = get_kb_detail()
diff --git a/ceshi.py b/ceshi.py
index 5333fac..99a1e41 100644
--- a/ceshi.py
+++ b/ceshi.py
@@ -202,13 +202,14 @@ def run_with_client(client):
                 'soil_potassium_phosphate_potassium': jia_data,
                 'rainfall': rainfall_data,
                 'wind_speed': speedwind_data,
-                'wind_direction': winddirection_data}
-
-        t = LOT_DATA(**data, create_time=int(time.time()))
+                'wind_direction': winddirection_data,
+                'create_time': int(time.time())
+                }
+        t = LOT_DATA(**data)
         # TODO 判断数据是否正常
-        add(t)
         # 发送给服务器
-        client.publish('lot_data', payload=data, qos=0)
+        client.publish('lot_data', payload=json.dumps(data, ensure_ascii=False), qos=0)
+        r = add(t)
 
 
 def run_no_client():
@@ -375,13 +376,12 @@ def run_no_client():
                 'wind_direction': winddirection_data}
         data = LOT_DATA(**data, create_time=int(time.time()))
         # TODO 判断数据是否正常
-        add(data)
-
+        r = add(data)
 
 
 def t1():
     import time
-    for i in range(100):
+    while (1):
         time.sleep(2)
         data = {
             "wind_speed": 1,
@@ -411,6 +411,8 @@ def t2():
 time = 3
 
 from threading import Thread
+
+
 def on_connect(client, userdata, flags, rc):
     global time
     if rc == 0:
diff --git a/tool.py b/tool.py
index e7e61a0..28242ff 100644
--- a/tool.py
+++ b/tool.py
@@ -11,7 +11,7 @@ def close_stream():
 
 
 def exec_sh(msg):
-    cmd = json.loads(msg.payload.decode('utf-8'))["cmd"]
+    cmd = json.loads(msg.payload.decode('utf-8'))["data"]
     subprocess.Popen([cmd], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)