diff --git a/src/utils/isVailedJSON.ts b/src/utils/isVailedJSON.ts
new file mode 100644
index 0000000..b35a8a3
--- /dev/null
+++ b/src/utils/isVailedJSON.ts
@@ -0,0 +1,8 @@
+export const isVailedJSON = (str: string): boolean => {
+  try {
+    JSON.parse(str);
+  } catch (e) {
+    return false;
+  }
+  return true;
+};