fix setGlobal

src/main/entry/org/bdware/sc/bean/ContractRequest.java

@@ -24,6 +24,9 @@ public class ContractRequest extends SM2Verifiable
     // action = rsaPrivKeyEncoded(aesKey);
     String action;
     // arg = aesKeyEncoded({action,arg});
+    //TODO
+    //这个arg不对，表面是个jsonElement,实际是个字符串
+    //用法：
     JsonElement arg;
     String requestID;
     boolean fromDebug = false;