diff --git a/src/utils/parse-utils.ts b/src/utils/parse-utils.ts
index 36876262..327204ae 100644
--- a/src/utils/parse-utils.ts
+++ b/src/utils/parse-utils.ts
@@ -151,13 +151,12 @@ export function parseSizeFromKbs(sizeByte: number, timeInterval: number): any {
 
 /**
  * 字节数转换单位
- * @param bits 比特b大小
+ * @param bits 字节Bit大小
  * @returns MB
  */
 export function parseSizeFromBytes(bits: number | string): string {
   bits = Number(bits) || 0;
-  const byte = bits / 8;
-  const kb = byte / 1024;
+  const kb = bits / 1024;
   const mb = kb / 1024;
   const gb = mb / 1024;
   const tb = gb / 1024;