diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/QueryDataActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/QueryDataActivity.kt
index 60dcfe2..fd1240d 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/QueryDataActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/QueryDataActivity.kt
@@ -26,10 +26,6 @@ class QueryDataActivity : BaseActivity() {
         ActivityQueryDataBinding.inflate(layoutInflater)
     }
 
-//    private val exportDialog by lazy {
-//        CommonDialog(R.string.export_data_tip)
-//    }
-
     override fun onOptionClick(type: Int, target: View) {
         if (0 == type) {
             queryData()
diff --git a/app/src/main/res/layout/activity_history_video.xml b/app/src/main/res/layout/activity_history_video.xml
index c52d525..bd46358 100644
--- a/app/src/main/res/layout/activity_history_video.xml
+++ b/app/src/main/res/layout/activity_history_video.xml
@@ -19,13 +19,13 @@
 
         <TextView
             android:id="@+id/tv_modify_params"
-            android:layout_width="wrap_content"
+            android:layout_width="@dimen/_300dp"
             android:layout_height="wrap_content"
             android:layout_marginStart="@dimen/_20dp"
-            android:background="@drawable/save_btn_bg"
-            android:paddingHorizontal="@dimen/_18dp"
+            android:gravity="center"
             android:paddingVertical="@dimen/_12dp"
             android:focusable="true"
+            android:background="@drawable/save_btn_bg"
             android:text="@string/modify_params"
             android:textColor="@color/white"
             android:textSize="@dimen/_32dp" />
diff --git a/app/src/main/res/layout/activity_query_data.xml b/app/src/main/res/layout/activity_query_data.xml
index 82026e3..b7d3e7a 100644
--- a/app/src/main/res/layout/activity_query_data.xml
+++ b/app/src/main/res/layout/activity_query_data.xml
@@ -19,11 +19,11 @@
 
         <TextView
             android:id="@+id/tv_modify_params"
-            android:layout_width="wrap_content"
+            android:layout_width="@dimen/_300dp"
             android:layout_height="wrap_content"
             android:layout_marginStart="@dimen/_20dp"
             android:background="@drawable/save_btn_bg"
-            android:paddingHorizontal="@dimen/_18dp"
+            android:gravity="center"
             android:paddingVertical="@dimen/_12dp"
             android:focusedByDefault="true"
             android:focusable="true"
diff --git a/app/src/main/res/layout/activity_warndata.xml b/app/src/main/res/layout/activity_warndata.xml
index 8725d19..e0c32ee 100644
--- a/app/src/main/res/layout/activity_warndata.xml
+++ b/app/src/main/res/layout/activity_warndata.xml
@@ -19,12 +19,12 @@
 
         <TextView
             android:id="@+id/tv_modify_params"
-            android:layout_width="wrap_content"
+            android:layout_width="@dimen/_300dp"
             android:layout_height="wrap_content"
             android:text="@string/modify_params"
             android:layout_marginStart="@dimen/_20dp"
             android:paddingVertical="@dimen/_12dp"
-            android:paddingHorizontal="@dimen/_18dp"
+            android:gravity="center"
             android:focusable="true"
             android:textSize="@dimen/_32dp"
             android:textColor="@color/white"