diff --git a/package.json b/package.json
index 329f662..013cac6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aelf-command",
-  "version": "0.1.47-beta.11",
+  "version": "0.1.48",
   "description": "A CLI tools for AElf",
   "main": "src/index.js",
   "type": "module",
diff --git a/src/utils/utils.js b/src/utils/utils.js
index 5299542..f9c510c 100644
--- a/src/utils/utils.js
+++ b/src/utils/utils.js
@@ -225,6 +225,9 @@ function parseJSON(str = '') {
   let result = null;
   try {
     result = JSON.parse(str);
+    if (typeof result === 'number' && /^-?\d+(\.\d+)?[eE][+-]?\d+$/.test(String(result))) {
+      result = str;
+    }
   } catch (e) {
     result = str;
   }