can’t connect my full node btc server

can’t connect my full node btc server,
always prompt
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server=1
rpcallowip=127.0.0.1/8
rpcallowip=134.209.110.7/24
rpcport=8332
rpcbind=127.0.0.1
rpcbind=159.138.11.6
walletnotify=curl -s https://wallet.hkecu.hk/wallets/api3/notify/BTC/wallet/%s >/dev/null
blocknotify=curl -s https://wallet.hkecu.hk/wallets/api3/notify/BTC/block/%s >/dev/null
rpcauth=xxxxxxxx
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in Adapter page, error as below:
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Not responding: Dashed_Slug_Wallets_Coin_Adapter_RPC->get_balance() failed with status=”500″ and error=”No wallet is loaded. Load a wallet using loadwallet or create a new one with createwallet. (Note: A default wallet is no longer automatically created)”`
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and i have ssh to that web server , and try below
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curl –user bitcoin –data-binary ‘{“jsonrpc”: “1.0”, “id”:”curltest”, “method”: “getnetworkinfo”, “params”: [] }’ -H ‘content-type: text/plain;’ http://159.138.11.6:8332/
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after keyin password, it can connect and return below:
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{"result":{"version":210100,"subversion":"/Satoshi:0.21.1/","protocolversion":70016,"localservices":"0000000000000409","localservicesnames":["NETWORK","WITNESS","NETWORK_LIMITED"],"localrelay":true,"timeoffset":0,"networkactive":true,"connections":3,"connections_in":1,"connections_out":2,"networks":[{"name":"ipv4","limited":false,"reachable":true,"proxy":"","proxy_randomize_credentials":false},{"name":"ipv6","limited":false,"reachable":true,"proxy":"","proxy_randomize_credentials":false},{"name":"onion","limited":true,"reachable":false,"proxy":"","proxy_randomize_credentials":false}],"relayfee":0.00001000,"incrementalfee":0.00001000,"localaddresses":[],"warnings":""},"error":null,"id":"curltest"}
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so, i think the network connection is ok, no firewall problem.

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