diff --git a/channel/channel_factory.py b/channel/channel_factory.py
index d6625d4..96f3e5f 100644
--- a/channel/channel_factory.py
+++ b/channel/channel_factory.py
@@ -29,7 +29,7 @@ def create_channel(channel_type):
         from channel.wechatmp.wechatmp_channel import WechatMPChannel
 
         return WechatMPChannel(passive_reply=False)
-    elif channel_type == "wechatcom":
+    elif channel_type == "wechatcom_app":
         from channel.wechatcom.wechatcomapp_channel import WechatComAppChannel
 
         return WechatComAppChannel()
diff --git a/channel/wechatcom/wechatcomapp_channel.py b/channel/wechatcom/wechatcomapp_channel.py
index f62ab00..c655a3d 100644
--- a/channel/wechatcom/wechatcomapp_channel.py
+++ b/channel/wechatcom/wechatcomapp_channel.py
@@ -131,12 +131,12 @@ class Query:
     def GET(self):
         channel = WechatComAppChannel()
         params = web.input()
-        signature = params.msg_signature
-        timestamp = params.timestamp
-        nonce = params.nonce
-        echostr = params.echostr
-        print(params)
+        logger.info("[wechatcom] receive params: {}".format(params))
         try:
+            signature = params.msg_signature
+            timestamp = params.timestamp
+            nonce = params.nonce
+            echostr = params.echostr
             echostr = channel.crypto.check_signature(
                 signature, timestamp, nonce, echostr
             )
@@ -147,10 +147,11 @@ class Query:
     def POST(self):
         channel = WechatComAppChannel()
         params = web.input()
-        signature = params.msg_signature
-        timestamp = params.timestamp
-        nonce = params.nonce
+        logger.info("[wechatcom] receive params: {}".format(params))
         try:
+            signature = params.msg_signature
+            timestamp = params.timestamp
+            nonce = params.nonce
             message = channel.crypto.decrypt_message(
                 web.data(), signature, timestamp, nonce
             )
diff --git a/config.py b/config.py
index c5f09ab..576432a 100644
--- a/config.py
+++ b/config.py
@@ -86,7 +86,7 @@ available_setting = {
     # chatgpt指令自定义触发词
     "clear_memory_commands": ["#清除记忆"],  # 重置会话指令，必须以#开头
     # channel配置
-    "channel_type": "wx",  # 通道类型，支持：{wx,wxy,terminal,wechatmp,wechatmp_service}
+    "channel_type": "wx",  # 通道类型，支持：{wx,wxy,terminal,wechatmp,wechatmp_service,wechatcom_app}
     "debug": False,  # 是否开启debug模式，开启后会打印更多日志
     "appdata_dir": "",  # 数据目录
     # 插件配置