update

src/functional/mvc/service/coinType.service.ts

@@ -140,7 +140,9 @@ export async function chainList() {
     let chains:any[] = [];
     for (let item of resList) {
         let chainType = item.chain_type;
-        chains.push(chainType)
+        if (chainType) {
+            chains.push(chainType);
+        }
     }
     return chains;
 }