diff --git a/src/utils/parse-utils.ts b/src/utils/parse-utils.ts
index fe1123cb..bfaed055 100644
--- a/src/utils/parse-utils.ts
+++ b/src/utils/parse-utils.ts
@@ -37,7 +37,7 @@ export function parseStrLineToHump(str: string): string {
  */
 export function parseStrHumpToLine(str: string): string {
   if (!str) return str;
-  return str.replace(/([A-Z])/g, '_$1').toLowerCase();
+  return str.replace(/([A-Z])/g, '_$1').toLowerCase().replace(/^_/, '');
 }
 
 /**
@@ -63,6 +63,9 @@ export function parseObjHumpToLine(obj: any): any {
     });
     return obj;
   }
+  if (typeof obj === 'string') {
+    return parseStrHumpToLine(obj);
+  }
   return obj;
 }
 
@@ -89,6 +92,9 @@ export function parseObjLineToHump(obj: any): any {
     });
     return obj;
   }
+  if (typeof obj === 'string') {
+    return parseStrLineToHump(obj);
+  }
   return obj;
 }