diff --git a/SensorHub.Config/ConfigBuild.cs b/SensorHub.Config/ConfigBuild.cs
index a9c1185..7dda940 100644
--- a/SensorHub.Config/ConfigBuild.cs
+++ b/SensorHub.Config/ConfigBuild.cs
@@ -104,7 +104,7 @@
         }
 
         //获取配置tag
-        private static byte[] getConfigTag(String configItem)
+        public static byte[] getConfigTag(String configItem)
         {
             byte[] result = new byte[256];
             int flag = 0;

diff --git a/SensorHub.Config/ConfigBuild.cs b/SensorHub.Config/ConfigBuild.cs
index a9c1185..7dda940 100644
--- a/SensorHub.Config/ConfigBuild.cs
+++ b/SensorHub.Config/ConfigBuild.cs
@@ -104,7 +104,7 @@
         }
 
         //获取配置tag
-        private static byte[] getConfigTag(String configItem)
+        public static byte[] getConfigTag(String configItem)
         {
             byte[] result = new byte[256];
             int flag = 0;
diff --git a/SensorHub.Noise/Noise.cs b/SensorHub.Noise/Noise.cs
index ed689fe..638db21 100644
--- a/SensorHub.Noise/Noise.cs
+++ b/SensorHub.Noise/Noise.cs
@@ -347,7 +347,7 @@
             {
                 session.Logger.Info("进入远程升级流程[" + devName + " " + devCode + " " + softwareVersion + "]");
                 Common.remoteUpgrade(session, operType, devName, devCode, btPdu, softwareVersion, size, offset, source);
-                return;
+                // return;
             }
 
             // 回复校时信息
@@ -412,6 +412,21 @@
                 value.CopyTo(frame, 34);
             }
 
+            // 查询是否有需要下发的配置项
+            byte[] configBytes = Common.BuildConfigBytes(devCode);
+            if (configBytes.Length > 0)
+            {
+                Array.Resize(ref frame, frame.Length + configBytes.Length); // 扩展长度
+                configBytes.CopyTo(frame, 42); // 在后面加上其他配置项
+
+                int length = frame.Length - 4;
+                byte[] btLens = new byte[2]; //数据帧长度
+                byte[] btlens0 = BitConverter.GetBytes(length);
+                btLens[0] = btlens0[1];
+                btLens[1] = btlens0[0];
+                btLens.CopyTo(frame, 2);
+            }
+
             // SM4加密
             byte[] tag = new byte[frame.Length - 16];
             Array.Copy(frame, 16, tag, 0, tag.Length); // 需要加密的内容

diff --git a/SensorHub.Config/ConfigBuild.cs b/SensorHub.Config/ConfigBuild.cs
index a9c1185..7dda940 100644
--- a/SensorHub.Config/ConfigBuild.cs
+++ b/SensorHub.Config/ConfigBuild.cs
@@ -104,7 +104,7 @@
         }
 
         //获取配置tag
-        private static byte[] getConfigTag(String configItem)
+        public static byte[] getConfigTag(String configItem)
         {
             byte[] result = new byte[256];
             int flag = 0;
diff --git a/SensorHub.Noise/Noise.cs b/SensorHub.Noise/Noise.cs
index ed689fe..638db21 100644
--- a/SensorHub.Noise/Noise.cs
+++ b/SensorHub.Noise/Noise.cs
@@ -347,7 +347,7 @@
             {
                 session.Logger.Info("进入远程升级流程[" + devName + " " + devCode + " " + softwareVersion + "]");
                 Common.remoteUpgrade(session, operType, devName, devCode, btPdu, softwareVersion, size, offset, source);
-                return;
+                // return;
             }
 
             // 回复校时信息
@@ -412,6 +412,21 @@
                 value.CopyTo(frame, 34);
             }
 
+            // 查询是否有需要下发的配置项
+            byte[] configBytes = Common.BuildConfigBytes(devCode);
+            if (configBytes.Length > 0)
+            {
+                Array.Resize(ref frame, frame.Length + configBytes.Length); // 扩展长度
+                configBytes.CopyTo(frame, 42); // 在后面加上其他配置项
+
+                int length = frame.Length - 4;
+                byte[] btLens = new byte[2]; //数据帧长度
+                byte[] btlens0 = BitConverter.GetBytes(length);
+                btLens[0] = btlens0[1];
+                btLens[1] = btlens0[0];
+                btLens.CopyTo(frame, 2);
+            }
+
             // SM4加密
             byte[] tag = new byte[frame.Length - 16];
             Array.Copy(frame, 16, tag, 0, tag.Length); // 需要加密的内容
diff --git a/SensorHub.Servers/Common.cs b/SensorHub.Servers/Common.cs
index 0c55ab3..c8609e9 100644
--- a/SensorHub.Servers/Common.cs
+++ b/SensorHub.Servers/Common.cs
@@ -100,6 +100,19 @@
             sendGPRSConfig(session, devCode, btPdu, source, "SM4");
         }
 
+        public static byte[] BuildConfigBytes(string devCode)
+        {
+            RedisHelper redis = new RedisHelper(0);
+
+            string configItem = null;
+            if (redis.Conn != null)
+            {
+                configItem = redis.StringGet(devCode);
+            }
+
+            return ConfigBuild.getConfigTag(configItem);
+        }
+
         public static void sendGPRSConfig(CasicSession session, string devCode, byte[] btPdu, string source, string mode)
         {
             RedisHelper redis = new RedisHelper(0);
@@ -110,6 +123,8 @@
                 configItem = redis.StringGet(devCode);
             }
 
+            session.Logger.Info("收到Redis中的待下发配置：" + configItem);
+
             byte[] config = ConfigBuild.buildConfigFrame(devCode, configItem);
             config[10] = 0x03;
             config[13] = btPdu[0];
@@ -305,7 +320,7 @@
 
             string ret = AepDeviceCommand.CreateCommandLwm2mProfile(JsonConvert.SerializeObject(body));
             session.Logger.Info(ret);
-            return Int16.Parse(JObject.Parse(ret)["code"].ToString());
+            return Int32.Parse(JObject.Parse(ret)["code"].ToString());
         }
 
         public static void sender433Config(CasicSession session, string devCode, byte[] btPdu, byte routeflag)