diff --git a/src/main/resources/static/assets/js/project_budget_plan.js b/src/main/resources/static/assets/js/project_budget_plan.js
index 7fa339a..99f05ea 100644
--- a/src/main/resources/static/assets/js/project_budget_plan.js
+++ b/src/main/resources/static/assets/js/project_budget_plan.js
@@ -37,6 +37,8 @@ $(function () {
     bindCompanyManageChangeable();
     //渲染日期选择框
     renderMonthDatePicker();
+    //绑定数字输入框保留两位小数
+    bindNumberInput();
 });
 
 /**
@@ -111,7 +113,9 @@ function appendTrBudgetPlan() {
     //绑定资金计划明细输入框
     bindChangeableInputBudgetPlanDetail();
     //渲染日期选择框
-    renderMonthDatePicker()
+    renderMonthDatePicker();
+    //绑定数字输入框保留两位小数
+    bindNumberInput();
 }
 
 /**
diff --git a/src/main/resources/static/assets/js/project_common.js b/src/main/resources/static/assets/js/project_common.js
index bbe8ff2..a8572f9 100644
--- a/src/main/resources/static/assets/js/project_common.js
+++ b/src/main/resources/static/assets/js/project_common.js
@@ -30,6 +30,42 @@ function rate(r1,r2) {
     return f2(r1*100/r2);
 }
 
+
+/**
+ * 保留两位小数
+ */
+function bindNumberInput() {
+    //所有的数字输入框
+    var $inputs = $("input[type='number']");
+
+    //键盘键弹起的时候
+    $inputs.keyup(function () {
+        var value = $(this).val();
+        value = value.replace(/[^\d.]/g, ""); //清除“数字”和“.”以外的字符
+        value = value.replace(/\.{2,}/g, "."); //只保留第一个. 清除多余的
+        value = value.replace(".", "$#$").replace(/\./g, "").replace("$#$", ".");
+        value = value.replace(/^(\-)*(\d+)\.(\d\d).*$/, '$1$2.$3'); //只能输入两个小数
+        if (value.indexOf(".") < 0 && value != "") {
+            //以上已经过滤，此处控制的是如果没有小数点，首位不能为类似于 01、02的金额
+            value = parseFloat(value);
+        }
+        $(this).val(value);
+    });
+    //失去焦点时再校验一遍
+    $inputs.blur(function() {
+
+        var value = $(this).val();
+
+        var reg = new RegExp("^[0-9]+(.[0-9]{2})?$");
+        if (reg.test(value)) {
+            $(this).val(Number(value).toFixed(2));
+        } else {
+            $(this).val("");
+        }
+    });
+}
+
+
 function postAjax(url, data, callback) {
     $.ajax({
         url: url,