远程配置功能的例程运行后，您可以在设备端和物联网平台查看日志信息。
前提条件
已配置C Link SDK的远程功能例程，详细信息，请参见使用示例。
设备端日志
您可以在设备端查看运行结果。
连接日志：
出现如下日志，表示设备与物联网平台连接成功。[1626837529.388][LK-0313] MQTT user calls aiot_mqtt_connect api, connect [1626837529.388][LK-0317] LightSwitch&a18wP****** [1626837529.388][LK-0318] 6431725347995DC4FB7A24CC58FD297EEB6C712FC8662F88E54C8F23C0****** core_sysdep_network_establish host iot-06******.mqtt.iothub.aliyuncs.com port 443, type 0 establish tcp connection with server(host='iot-06******.mqtt.iothub.aliyuncs.com', port=[443]) success to establish tcp, fd=3 local port: 39072 [1626837529.422][LK-1000] establish mbedtls connection with server(host='iot-06******.mqtt.iothub.aliyuncs.com', port=[443]) [1626837529.488][LK-1000] success to establish mbedtls connection， (cost 44947 bytes in total, max used 47859 bytes) [1626837529.544][LK-0313] MQTT connect success in 161 ms AIOT_MQTTEVT_CONNECT设备主动请求获取远程配置的日志：
[1626837529.544][LK-0309] pub: /sys/a18wP******/LightSwitch/thing/config/get [LK-030A] > 7B 22 69 64 22 3A 22 31 32 33 22 2C 22 70 61 72 | {"id":"123","par [LK-030A] > 61 6D 73 22 3A 7B 22 63 6F 6E 66 69 67 53 63 6F | ams":{"configSco [LK-030A] > 70 65 22 3A 22 70 72 6F 64 75 63 74 22 2C 22 67 | pe":"product","g [LK-030A] > 65 74 54 79 70 65 22 3A 22 66 69 6C 65 22 7D 7D | etType":"file"}}物联网平台返回应答报文：
[1626837529.622][LK-0309] pub: /sys/a18wP******/LightSwitch/thing/config/get_reply [LK-030A] < 7B 22 63 6F 64 65 22 3A 32 30 30 2C 22 64 61 74 | {"code":200,"dat [LK-030A] < 61 22 3A 7B 22 63 6F 6E 66 69 67 49 64 22 3A 22 | a":{"configId":" [LK-030A] < 66 36 35 32 31 65 66 64 33 31 66 39 34 31 37 61 | f6521efd31f9417a [LK-030A] < 62 63 37 38 30 38 39 66 34 63 37 38 62 36 38 36 | bc78089f4c****** [LK-030A] < 22 2C 22 63 6F 6E 66 69 67 53 69 7A 65 22 3A 39 | ","configSize":9 [LK-030A] < 33 34 2C 22 67 65 74 54 79 70 65 22 3A 22 66 69 | 34,"getType":"fi [LK-030A] < 6C 65 22 2C 22 73 69 67 6E 22 3A 22 63 39 36 34 | le","sign":"c964 [LK-030A] < 34 65 62 32 63 39 64 36 34 38 38 39 34 32 65 32 | 4eb2c9d6488942e2 [LK-030A] < 61 37 66 30 32 38 38 38 32 66 38 30 38 39 30 39 | a7f028882f808909 [LK-030A] < 32 62 32 31 31 39 33 63 35 39 63 34 34 65 36 62 | 2b21193c59c44e6b [LK-030A] < 36 32 65 63 37 38 63 38 39 36 64 39 22 2C 22 73 | 62ec78******","s [LK-030A] < 69 67 6E 4D 65 74 68 6F 64 22 3A 22 53 68 61 32 | ignMethod":"Sha2 [LK-030A] < 35 36 22 2C 22 75 72 6C 22 3A 22 68 74 74 70 73 | 56","url":"https [LK-030A] < 3A 2F 2F 6F 74 78 2D 64 65 76 69 63 65 63 65 6E | ://otx-devicecen [LK-030A] < 74 65 72 2D 74 68 69 6E 67 2D 63 6F 6E 66 69 67 | ter-thing-config [LK-030A] < 2D 63 6E 2D 73 68 61 6E 67 68 61 69 2D 6F 6E 6C | -cn-shanghai-onl [LK-030A] < 69 6E 65 2E 6F 73 73 2D 63 6E 2D 73 68 61 6E 67 | ine.oss-cn-shang [LK-030A] < 68 61 69 2E 61 6C 69 79 75 6E 63 73 2E 63 6F 6D | hai.aliyuncs.com [LK-030A] < 2F 67 37 68 30 33 32 4B 57 57 49 37 2F 74 68 69 | /a1wP******/thi [LK-030A] < 6E 67 43 6F 6E 66 69 67 2F 31 36 32 36 37 37 38 | ngConfig/1626778 [LK-030A] < 37 30 33 38 33 32 5F 4B 7A 6B 51 76 77 58 34 3F | 703832_Kz******? [LK-030A] < 45 78 70 69 72 65 73 3D 31 36 32 36 38 33 39 33 | Expires=16268393 [LK-030A] < 32 39 26 4F 53 53 41 63 63 65 73 73 4B 65 79 49 | 29&OSSAccessKeyI [LK-030A] < 64 3D 4C 54 41 49 52 59 33 72 78 35 64 67 32 4A | d=LTAIRY3rx5**** [LK-030A] < 42 6D 26 53 69 67 6E 61 74 75 72 65 3D 37 5A 71 | **&Signature=7Zq [LK-030A] < 33 7A 50 31 70 4E 35 50 72 45 33 78 58 4F 56 49 | 3zP1pN5PrE3xXOVI [LK-030A] < 36 53 6E 69 35 4C 7A 38 25 33 44 22 7D 2C 22 69 | 6Sni5******"},"i [LK-030A] < 64 22 3A 22 31 32 33 22 2C 22 6D 65 74 68 6F 64 | d":"123","method [LK-030A] < 22 3A 22 74 68 69 6E 67 2E 63 6F 6E 66 69 67 2E | ":"thing.config. [LK-030A] < 67 65 74 22 2C 22 76 65 72 73 69 6F 6E 22 3A 22 | get","version":" [LK-030A] < 31 2E 30 22 7D | 1.0"} configId: f6521efd31f9417abc78089f4c******, configSize: 934 Bytes core_sysdep_network_establish host otx-devicecenter-thing-config-cn-shanghai-online.oss-cn-shanghai.aliyuncs.com port 443, type 0 establish tcp connection with server(host='otx-devicecenter-thing-config-cn-shanghai-online.oss-cn-shanghai.aliyuncs.com', port=[443]) success to establish tcp, fd=4 local port: 58534下载配置文件日志：
[1626837529.688][LK-1000] establish mbedtls connection with server(host='otx-devicecenter-thing-config-cn-shanghai-online.oss-cn-shanghai.aliyuncs.com', port=[4 [1626837529.755][LK-1000] success to establish mbedtls connection， (cost 47240 bytes in total, max used 49896 bytes) [1626837529.755][LK-040B] > GET /a1wP******/thingConfig/1626778703832_Kz******?Expires=1626839329&OSSAccessKeyId=LTAIRY3rx5******&Signature=7Zq3zP1pN5PrE****** [1626837529.755][LK-040B] > Host: otx-devicecenter-thing-config-cn-shanghai-online.oss-cn-shanghai.aliyuncs.com [1626837529.755][LK-040B] > Accept: text/html, application/xhtml+xml, application/xml;q=0.9, */*;q=0.8 [1626837529.755][LK-040B] > Range: bytes=0- [1626837529.755][LK-040B] > Content-Length: 0 [1626837529.755][LK-040B] > [1626837529.755][LK-0309] pub: /ota/device/progress/a1wP******/LightSwitch [LK-030A] > 7B 22 69 64 22 3A 31 2C 20 22 70 61 72 61 6D 73 | {"id":1, "params [LK-030A] > 22 3A 7B 22 73 74 65 70 22 3A 22 30 22 2C 22 64 | ":{"step":"0","d [LK-030A] > 65 73 63 22 3A 22 22 7D 7D | esc":""}} [1626837529.811][LK-040D] < HTTP/1.1 206 Partial Content [1626837529.811][LK-040D] < Server: AliyunOSS [1626837529.811][LK-040D] < Date: Wed, 21 Jul 2021 03:18:49 GMT [1626837529.811][LK-040D] < Content-Type: application/octet-stream [1626837529.811][LK-040D] < Content-Length: 934 [1626837529.811][LK-040D] < Connection: keep-alive [1626837529.811][LK-040D] < x-oss-request-id: 60F792193D168E3232****** [1626837529.811][LK-040D] < Content-Range: bytes 0-933/934 [1626837529.811][LK-040D] < Accept-Ranges: bytes [1626837529.811][LK-040D] < ETag: "BA0DD9490DFE76245C9B5F4C48******" [1626837529.811][LK-040D] < Last-Modified: Tue, 20 Jul 2021 10:58:23 GMT [1626837529.811][LK-040D] < x-oss-object-type: Normal [1626837529.811][LK-040D] < x-oss-hash-crc64ecma: 5008746007206****** [1626837529.811][LK-040D] < x-oss-storage-class: Standard [1626837529.811][LK-040D] < Content-MD5: ug3ZSQ3+diRcm19M******== [1626837529.811][LK-040D] < x-oss-server-time: 56 [1626837529.811][LK-040D] < [1626837529.811][LK-0901] digest matched [1626837529.811][LK-0309] pub: /ota/device/progress/a1wP******/LightSwitch [LK-030A] > 7B 22 69 64 22 3A 32 2C 20 22 70 61 72 61 6D 73 | {"id":2, "params [LK-030A] > 22 3A 7B 22 73 74 65 70 22 3A 22 31 30 30 22 2C | ":{"step":"100", [LK-030A] > 22 64 65 73 63 22 3A 22 22 7D 7D | "desc":""}} config len is 934, config content is {"configId":"123dagdah","configSize":1234565,"sign":"123214adfadgadg","signMethod":"Sha256","url":"https://iotx-config.oss-cn-shanghai.aliyuncs.com/nopoll_0.4.4.tar.gz?Expires=1502955804&OSSAccessKeyId=**************&Signature=XfgJu7P6DWWejstKJgXJEH0q******&security-token=CAISuQJ1q6Ft5B2yfSjIpK6MGsyN1Jx5jo6mVnfBglIPTvlvt5D50Tz2IHtIf3NpAusdsv03nWxT7v4flqFyTINVAEvYZJOPKGrGR0DzDbDasumZsJbo4f%2FMQBqEaXPS2MvVfJ%2BzLrf0ceusbFbpjzJ6xaCAGxypQ12iN%2B%2Fr6%2F5gdc9FcQSkL0B8ZrFsKxBltdUROFbIKP%2BpKWSKuGfLC1dysQcO1wEP4K%2BkkMqH8Uic3h%2Boy%2BgJt8H2PpHhd9NhXuV2WMzn2%2FdtJOiTknxR7ARasaBqhelc4zqA%2FPPlWgAKvkXba7aIoo01fV4jN5JXQfAU8KLO8tRjofHWmojNzBJAAPpYSSy3Rvr7m5efQrrybY1lLO6iZy%2BVio2VSZDxshI5Z3McKARWct06MWV9ABA2TTXXOi40BOxuq%2B3JGoABXC54TOlo7%2F1wTLTsCUqzzeIiXVOK8CfNOkfTucMGHkeYeCdFkm%2FkADhXAnrnGf5a4FbmKMQph2cKsr8y8UfWLC6IzvJsClXTnbJBMeuWIqo5zIynS1pm7gf%2F9N3hVc6%2BEeIk0xfl2tycsUpbL2FoaGk6BAF8hWSWYUXsv59d******","getType":"file"} [1626837529.811][LK-1000] adapter_network_deinit
物联网平台日志
您可以在物联网平台控制台，查看例程运行后的日志信息。
在线状态：
在左侧导航栏，选择，找到设备，查看设备状态。设备状态显示为在线，则表示设备与物联网平台成功连接。
远程配置日志：
在左侧导航栏，选择，选择产品后，查看设备获取物联网平台远程配置信息，下载远程配置文件，上报下载进度等日志信息。
后续步骤
运行日志中出现的错误信息，请参见aiot_ota_api.h中的状态码描述，根据提示解决问题。