diff --git a/Classes/JcWallet.cpp b/Classes/JcWallet.cpp
index ae08e8c..f245870 100644
--- a/Classes/JcWallet.cpp
+++ b/Classes/JcWallet.cpp
@@ -83,8 +83,8 @@ NS_CC_BEGIN
         return ok;
     }
 
-    bool addToArgArray(se::ValueArray *args, std::string strVal) {
-//        std::string strVal(valChar);
+    bool addToArgArray(se::ValueArray *args, char *valChar) {
+        std::string strVal(valChar);
         se::Value tmpVal;
         bool ok = true;
         ok &= std_string_to_seval(strVal, &tmpVal);
@@ -122,13 +122,9 @@ NS_CC_BEGIN
     }
 
     char *JcWallet::runJsMethod(std::shared_ptr<JSMethodParam> data) {
-        se::ValueArray args;
         cocos2d::log("thread: %ld call method %s", uv_thread_self(), data->methodName.c_str());
-        for (int i = 0; i < data->paramList.size(); i++) {
-            addToArgArray(&args, data->paramList[i]);
-        }
         se::Value value;
-        bool ok = runGlobalMethod(data->methodName.c_str(), args, &value);
+        bool ok = runGlobalMethod(data->methodName.c_str(), data->args, &value);
         static std::string result;
         if (ok && !value.isNullOrUndefined()) {
             result = value.toString();
@@ -157,8 +153,7 @@ NS_CC_BEGIN
         data->paramCount = paramCount;
         for (int i = 0; i < paramCount; i++) {
             char *arg = *(paramList + i);
-            std::string strVal(arg);
-            data->paramList.push_back(strVal);
+            addToArgArray(&data->args, arg);
         }
         std::shared_ptr<JSMethodParam> params(data);
         RUN_IN_SERVERTHREAD(JcWallet::getInstance()->runJsMethod(params));
diff --git a/Classes/JcWallet.h b/Classes/JcWallet.h
index 1c42832..114f547 100644
--- a/Classes/JcWallet.h
+++ b/Classes/JcWallet.h
@@ -13,7 +13,7 @@ NS_CC_BEGIN
     struct JSMethodParam {
         std::string methodName;
         int paramCount;
-        std::vector<std::string> paramList;
+        se::ValueArray args;
     };
     bool addToArgArray(se::ValueArray *args, std::string val);
 
diff --git a/js/main.js b/js/main.js
index fddb5bd..f185558 100644
--- a/js/main.js
+++ b/js/main.js
@@ -1,7 +1,7 @@
 console.log('>>hi tiny wallet3')
 
 function initWallet(password) {
-    if (!jc.wallet) {
+    if (typeof jc === 'undefined' || typeof jc.wwallet === 'undefined') {
         var wallet = new jcwallet.default(password);
     }
     return jc.wallet.currentAccount().address;