diff --git a/src/components/BaseForm/search-form.vue b/src/components/BaseForm/search-form.vue
index 0761f9f..d1a05a1 100644
--- a/src/components/BaseForm/search-form.vue
+++ b/src/components/BaseForm/search-form.vue
@@ -125,9 +125,9 @@
           v-if="item.type === 'Daterange'"
           v-model="searchData[item.prop]"
           type="datetimerange"
-          range-separator="至"
-          start-placeholder="开始日期"
-          end-placeholder="结束日期"
+          range-separator="-" 
+          :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+          :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
           :style="{ width: item.width }"
           clearable
         />
diff --git a/src/views/system/login-log/index.vue b/src/views/system/login-log/index.vue
index 50dfab4..0125d74 100644
--- a/src/views/system/login-log/index.vue
+++ b/src/views/system/login-log/index.vue
@@ -43,9 +43,9 @@
           <el-date-picker
             v-model="datetimerange"
             type="datetimerange"
-            range-separator="至"
-            start-placeholder="开始日期"
-            end-placeholder="结束日期"
+            range-separator="-" 
+            :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+            :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
             value-format="yyyy-MM-dd HH:mm:ss"
             :default-time="['00:00:00', '23:59:59']"
             @change="handleDatetimeChange"
diff --git a/src/views/trials/trials-inspection/components/view-study-list.vue b/src/views/trials/trials-inspection/components/view-study-list.vue
index a9d444f..b26b92f 100644
--- a/src/views/trials/trials-inspection/components/view-study-list.vue
+++ b/src/views/trials/trials-inspection/components/view-study-list.vue
@@ -34,9 +34,9 @@
           <el-date-picker
             v-model="dateValue"
             type="datetimerange"
-            range-separator="至"
-            start-placeholder="开始日期"
-            end-placeholder="结束日期"
+            range-separator="-" 
+            :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+            :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
             :default-time="['00:00:00', '23:59:59']"
           >
           </el-date-picker>
diff --git a/src/views/trials/trials-panel/hirVisit/index.vue b/src/views/trials/trials-panel/hirVisit/index.vue
index e1e27f5..b2d5a3d 100644
--- a/src/views/trials/trials-panel/hirVisit/index.vue
+++ b/src/views/trials/trials-panel/hirVisit/index.vue
@@ -56,9 +56,9 @@
           <el-date-picker
             v-model="dateValue"
             type="datetimerange"
-            range-separator="至"
-            start-placeholder="开始日期"
-            end-placeholder="结束日期"
+            range-separator="-" 
+            :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+            :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
             clearable
             :default-time="['00:00:00', '23:59:59']"
           >
diff --git a/src/views/trials/trials-panel/readManagenent/index.vue b/src/views/trials/trials-panel/readManagenent/index.vue
index 73828f9..a8a44f9 100644
--- a/src/views/trials/trials-panel/readManagenent/index.vue
+++ b/src/views/trials/trials-panel/readManagenent/index.vue
@@ -68,9 +68,9 @@
           <el-date-picker
             v-model="dateValue"
             type="datetimerange"
-            range-separator="至"
-            start-placeholder="开始日期"
-            end-placeholder="结束日期"
+            range-separator="-" 
+            :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+            :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
             :default-time="['00:00:00', '23:59:59']"
           >
           </el-date-picker>
diff --git a/src/views/trials/trials-panel/reading/read-task/index.vue b/src/views/trials/trials-panel/reading/read-task/index.vue
index e7ca317..cc5d317 100644
--- a/src/views/trials/trials-panel/reading/read-task/index.vue
+++ b/src/views/trials/trials-panel/reading/read-task/index.vue
@@ -107,9 +107,9 @@
                 <el-date-picker
                   v-model="dateValue"
                   type="datetimerange"
-                  range-separator="至"
-                  start-placeholder="开始日期"
-                  end-placeholder="结束日期"
+                  range-separator="-" 
+                  :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+                  :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
                   clearable
                   :default-time="['00:00:00', '23:59:59']"
                 >
diff --git a/src/views/trials/trials-panel/reading/reading-tracking/index.vue b/src/views/trials/trials-panel/reading/reading-tracking/index.vue
index 8b19e93..4071909 100644
--- a/src/views/trials/trials-panel/reading/reading-tracking/index.vue
+++ b/src/views/trials/trials-panel/reading/reading-tracking/index.vue
@@ -49,9 +49,9 @@
             clearable
             v-model="dateValue2"
             type="datetimerange"
-            range-separator="至"
-            start-placeholder="开始日期"
-            end-placeholder="结束日期"
+            range-separator="-" 
+            :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+            :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
             :default-time="['00:00:00', '23:59:59']"
           >
           </el-date-picker>
@@ -94,9 +94,9 @@
             clearable
             v-model="dateValue"
             type="datetimerange"
-            range-separator="至"
-            start-placeholder="开始日期"
-            end-placeholder="结束日期"
+            range-separator="-" 
+            :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+            :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
             :default-time="['00:00:00', '23:59:59']"
           >
           </el-date-picker>
diff --git a/src/views/trials/trials-panel/study/components/list.vue b/src/views/trials/trials-panel/study/components/list.vue
index c5ba047..c069c51 100644
--- a/src/views/trials/trials-panel/study/components/list.vue
+++ b/src/views/trials/trials-panel/study/components/list.vue
@@ -51,9 +51,9 @@
           <el-date-picker
             v-model="dateValue"
             type="datetimerange"
-            range-separator="至"
-            start-placeholder="开始日期"
-            end-placeholder="结束日期"
+            range-separator="-" 
+            :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+            :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
             :default-time="['00:00:00', '23:59:59']"
           >
           </el-date-picker>
diff --git a/src/views/trials/trials-panel/study/components/not-bind-study.vue b/src/views/trials/trials-panel/study/components/not-bind-study.vue
index c5a2cdc..56af008 100644
--- a/src/views/trials/trials-panel/study/components/not-bind-study.vue
+++ b/src/views/trials/trials-panel/study/components/not-bind-study.vue
@@ -56,9 +56,9 @@
           <el-date-picker
             v-model="dateValue"
             type="datetimerange"
-            range-separator="至"
-            start-placeholder="开始日期"
-            end-placeholder="结束日期"
+            range-separator="-" 
+            :start-placeholder="$t('trials:uploadClinicalData:table:beginDate')"
+            :end-placeholder="$t('trials:uploadClinicalData:table:endDate')"
             :default-time="['00:00:00', '23:59:59']"
           >
           </el-date-picker>