diff --git a/src/views/dairyProducts/milkInOutStore/milkInOutStore/index.vue b/src/views/dairyProducts/milkInOutStore/milkInOutStore/index.vue
index 4fd0cdc..208e356 100644
--- a/src/views/dairyProducts/milkInOutStore/milkInOutStore/index.vue
+++ b/src/views/dairyProducts/milkInOutStore/milkInOutStore/index.vue
@@ -117,8 +117,9 @@ function getList() {
   
   // 处理日期范围
   if (dateRange.value && dateRange.value.length === 2) {
-    queryParams.datetimeStart = dateRange.value[0];
-    queryParams.datetimeEnd = dateRange.value[1];
+    // 修改：手动拼接时间
+    queryParams.datetimeStart = dateRange.value[0] + ' 00:00:00';
+    queryParams.datetimeEnd = dateRange.value[1] + ' 23:59:59';
   } else {
     queryParams.datetimeStart = null;
     queryParams.datetimeEnd = null;
@@ -181,8 +182,9 @@ function beforeUpload(file) {
 function handleExport() {
   // 导出前确认日期参数
   if (dateRange.value && dateRange.value.length === 2) {
-    queryParams.datetimeStart = dateRange.value[0];
-    queryParams.datetimeEnd = dateRange.value[1];
+    // 修改：手动拼接时间
+    queryParams.datetimeStart = dateRange.value[0] + ' 00:00:00';
+    queryParams.datetimeEnd = dateRange.value[1] + ' 23:59:59';
   } else {
     queryParams.datetimeStart = null;
     queryParams.datetimeEnd = null;
diff --git a/src/views/dairyProducts/milkProdclasses/milkProdclasses/index.vue b/src/views/dairyProducts/milkProdclasses/milkProdclasses/index.vue
index 56c4d09..4c13fad 100644
--- a/src/views/dairyProducts/milkProdclasses/milkProdclasses/index.vue
+++ b/src/views/dairyProducts/milkProdclasses/milkProdclasses/index.vue
@@ -218,8 +218,9 @@ function getList() {
   loading.value = true
   
   if (dateRange.value && dateRange.value.length === 2) {
-    queryParams.datetimeStart = dateRange.value[0];
-    queryParams.datetimeEnd = dateRange.value[1];
+    // 修改：手动拼接时间，确保覆盖结束当天的全天时间
+    queryParams.datetimeStart = dateRange.value[0] + ' 00:00:00';
+    queryParams.datetimeEnd = dateRange.value[1] + ' 23:59:59';
   } else {
     queryParams.datetimeStart = null;
     queryParams.datetimeEnd = null;
@@ -270,8 +271,9 @@ function uploadError(err) {
 
 function handleExport() {
   if (dateRange.value && dateRange.value.length === 2) {
-    queryParams.datetimeStart = dateRange.value[0];
-    queryParams.datetimeEnd = dateRange.value[1];
+    // 修改：导出时也需要拼接时间
+    queryParams.datetimeStart = dateRange.value[0] + ' 00:00:00';
+    queryParams.datetimeEnd = dateRange.value[1] + ' 23:59:59';
   } else {
     queryParams.datetimeStart = null;
     queryParams.datetimeEnd = null;