diff --git a/backend/roomroot-framework/src/main/java/com/roomroot/framework/config/JacksonConfig.java b/backend/roomroot-framework/src/main/java/com/roomroot/framework/config/JacksonConfig.java
index f1846b3e..e4466350 100644
--- a/backend/roomroot-framework/src/main/java/com/roomroot/framework/config/JacksonConfig.java
+++ b/backend/roomroot-framework/src/main/java/com/roomroot/framework/config/JacksonConfig.java
@@ -27,6 +27,9 @@ public class JacksonConfig {
                 .optionalStart().appendLiteral(' ').optionalEnd()
                 .append(DateTimeFormatter.ISO_LOCAL_TIME)
                 .optionalEnd()
+                .parseDefaulting(java.time.temporal.ChronoField.HOUR_OF_DAY, 0)
+                .parseDefaulting(java.time.temporal.ChronoField.MINUTE_OF_HOUR, 0)
+                .parseDefaulting(java.time.temporal.ChronoField.SECOND_OF_MINUTE, 0)
                 .toFormatter();
         return (JsonMapper.Builder builder) -> {
             SimpleModule module = new SimpleModule("FlexibleLocalDateTime");
diff --git a/frontend/src/views/teachOffice/subject/index.vue b/frontend/src/views/teachOffice/subject/index.vue
index ff24c363..7c4a623a 100644
--- a/frontend/src/views/teachOffice/subject/index.vue
+++ b/frontend/src/views/teachOffice/subject/index.vue
@@ -231,7 +231,7 @@
           </el-col>
           <el-col :xs="24" :sm="12" :md="8">
             <el-form-item label="修订日期" prop="xdrq">
-              <el-input v-model="addForm.xdrq" placeholder="如 2026-08-24" clearable />
+              <el-date-picker v-model="addForm.xdrq" type="date" value-format="yyyy-MM-dd HH:mm:ss" placeholder="请选择修订日期" class="w-full" />
             </el-form-item>
           </el-col>
           <el-col :xs="24" :sm="12" :md="8">
@@ -405,7 +405,7 @@ export default {
         kctybh: [{ required: true, message: '请输入课程统一编号', trigger: 'blur' }],
         fddyks: [{ required: true, message: '请输入辅导答疑课时', trigger: 'blur' }],
         zxks: [{ required: true, message: '请输入自修课时', trigger: 'blur' }],
-        xdrq: [{ required: true, message: '请输入修订日期', trigger: 'blur' }],
+        xdrq: [{ required: true, message: '请选择修订日期', trigger: 'change' }],
         jcyxj: [{ required: true, message: '请选择节次优选级', trigger: 'change' }],
         kczcfs: [{ required: true, message: '请选择课程支持方式', trigger: 'change' }],
         kcjsfs: [{ required: true, message: '请选择课程建设方式', trigger: 'change' }],