diff --git a/package.json b/package.json
index 6c3f8ea..a358ed0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "yizhi-multipart-reader",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "",
   "main": "dist/index.js",
   "types": "typing/index.d.ts",
diff --git a/src/reader.ts b/src/reader.ts
index 3792a21..df81234 100644
--- a/src/reader.ts
+++ b/src/reader.ts
@@ -286,7 +286,7 @@ export class MultipartReader {
 				items.forEach(item => {
 					const matchItem = item.match(/^([\s\S]+?)=([\s\S]+?)$/)
 					if (!matchItem) return
-					let [k, v] = matchItem.map(s => s.trim())
+					let [_, k, v] = matchItem.map(s => s.trim())
 					k = k.toLowerCase()
 					//去除引号
 					if (v[0] == '"' && v[v.length - 1] == '"') v = v.substring(1, v.length - 1)