diff --git a/package.json b/package.json
index 7c9e096..3549410 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kne/column-split",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "通过拖动分隔条分配元素占比",
   "syntax": {
     "esmodules": true
diff --git a/src/index.js b/src/index.js
index 5eba095..de7baaf 100644
--- a/src/index.js
+++ b/src/index.js
@@ -35,7 +35,7 @@ const ColumnSplit = ({ columns = [], className, readOnly, disabled, ...props })
           {}
         );
         //修正value最后一个值;
-        value[last.name] = 1 - otherValue;
+        value[last.name] = Math.round(100 * (1 - otherValue)) / 100;
         onChange(value);
       }}
     >