update rpc

Author: chenjia404

chains.json

@@ -8433,10 +8433,9 @@
         "name": "quarkblockchain",
         "chain": "QKI",
         "rpc": [
-            "https://hz.rpc.qkiscan.cn",
-            "https://rpc1.qkiscan.cn",
-            "https://rpc2.qkiscan.cn",
-            "https://rpc3.qkiscan.cn",
+            "https://rpc1.qkirpc.org",
+            "https://rpc2.qkirpc.org",
+            "https://rpc3.qkirpc.org",
             "https://rpc1.qkiscan.io",
             "https://rpc2.qkiscan.io",
             "https://rpc3.qkiscan.io"