diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
index 0468f95..e6160dc 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
@@ -104,6 +104,7 @@
         entrustViewModel = ViewModelProvider(this)[EntrustViewModel::class.java]
         entrustViewModel.addResult.observe(this) {
             if (it.code == 200) {
+                "委托添加成功".show(this)
                 finish()
             }
         }
@@ -271,6 +272,11 @@
                 return@setOnClickListener
             }
 
+            if (!contact.isPhoneNumber()) {
+                "请填写正确的联系方式".show(this)
+                return@setOnClickListener
+            }
+
             val estimateTime = estimateTimeView.text.toString()
             if (estimateTime.isBlank()) {
                 "请选择预计送到的时间".show(this)

diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
index 0468f95..e6160dc 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
@@ -104,6 +104,7 @@
         entrustViewModel = ViewModelProvider(this)[EntrustViewModel::class.java]
         entrustViewModel.addResult.observe(this) {
             if (it.code == 200) {
+                "委托添加成功".show(this)
                 finish()
             }
         }
@@ -271,6 +272,11 @@
                 return@setOnClickListener
             }
 
+            if (!contact.isPhoneNumber()) {
+                "请填写正确的联系方式".show(this)
+                return@setOnClickListener
+            }
+
             val estimateTime = estimateTimeView.text.toString()
             if (estimateTime.isBlank()) {
                 "请选择预计送到的时间".show(this)
diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
index 292d7bc..a343b88 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
@@ -157,14 +157,26 @@
                                     item.standardLaboratoryName
                                 }
 
-                                if (item.validTime.isEarlierThenCurrent()) {
-                                    viewHolder.setTextColor(
-                                        R.id.deviceDateView, R.color.red.convertColor(context)
-                                    )
+                                val validTime = if (item.validTime == "") {
+                                    "暂时无法确定"
                                 } else {
+                                    item.validTime.formatToYearMonthDay()
+                                }
+
+                                if (validTime == "暂时无法确定") {
                                     viewHolder.setTextColor(
                                         R.id.deviceDateView, R.color.gray.convertColor(context)
                                     )
+                                } else {
+                                    if (item.validTime.isEarlierThenCurrent()) {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.red.convertColor(context)
+                                        )
+                                    } else {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.gray.convertColor(context)
+                                        )
+                                    }
                                 }
 
                                 viewHolder.setText(R.id.deviceNameView, item.standardName)
@@ -174,10 +186,7 @@
                                     .setText(R.id.deviceCodeView, "装置编号：${item.standardNo}")
                                     .setText(R.id.remarkView, "备注：$remark")
                                     .setText(R.id.deviceLibView, lab)
-                                    .setText(
-                                        R.id.deviceDateView,
-                                        "有效期至：${item.validTime.formatToYearMonthDay()}"
-                                    )
+                                    .setText(R.id.deviceDateView, "有效期至：${validTime}")
                                     .setText(R.id.labOwnerView, "管理员：${item.laboratoryOwnerName}")
                             }
                         }

diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
index 0468f95..e6160dc 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
@@ -104,6 +104,7 @@
         entrustViewModel = ViewModelProvider(this)[EntrustViewModel::class.java]
         entrustViewModel.addResult.observe(this) {
             if (it.code == 200) {
+                "委托添加成功".show(this)
                 finish()
             }
         }
@@ -271,6 +272,11 @@
                 return@setOnClickListener
             }
 
+            if (!contact.isPhoneNumber()) {
+                "请填写正确的联系方式".show(this)
+                return@setOnClickListener
+            }
+
             val estimateTime = estimateTimeView.text.toString()
             if (estimateTime.isBlank()) {
                 "请选择预计送到的时间".show(this)
diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
index 292d7bc..a343b88 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
@@ -157,14 +157,26 @@
                                     item.standardLaboratoryName
                                 }
 
-                                if (item.validTime.isEarlierThenCurrent()) {
-                                    viewHolder.setTextColor(
-                                        R.id.deviceDateView, R.color.red.convertColor(context)
-                                    )
+                                val validTime = if (item.validTime == "") {
+                                    "暂时无法确定"
                                 } else {
+                                    item.validTime.formatToYearMonthDay()
+                                }
+
+                                if (validTime == "暂时无法确定") {
                                     viewHolder.setTextColor(
                                         R.id.deviceDateView, R.color.gray.convertColor(context)
                                     )
+                                } else {
+                                    if (item.validTime.isEarlierThenCurrent()) {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.red.convertColor(context)
+                                        )
+                                    } else {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.gray.convertColor(context)
+                                        )
+                                    }
                                 }
 
                                 viewHolder.setText(R.id.deviceNameView, item.standardName)
@@ -174,10 +186,7 @@
                                     .setText(R.id.deviceCodeView, "装置编号：${item.standardNo}")
                                     .setText(R.id.remarkView, "备注：$remark")
                                     .setText(R.id.deviceLibView, lab)
-                                    .setText(
-                                        R.id.deviceDateView,
-                                        "有效期至：${item.validTime.formatToYearMonthDay()}"
-                                    )
+                                    .setText(R.id.deviceDateView, "有效期至：${validTime}")
                                     .setText(R.id.labOwnerView, "管理员：${item.laboratoryOwnerName}")
                             }
                         }
diff --git a/app/src/main/res/layout/activity_entrust_add.xml b/app/src/main/res/layout/activity_entrust_add.xml
index 7b6248b..8174070 100644
--- a/app/src/main/res/layout/activity_entrust_add.xml
+++ b/app/src/main/res/layout/activity_entrust_add.xml
@@ -54,7 +54,8 @@
                         android:id="@+id/contactView"
                         style="@style/inputEditTextStyle"
                         android:hint="请输入"
-                        android:inputType="phone" />
+                        android:inputType="phone"
+                        android:maxLength="11" />
                 </RelativeLayout>
 
                 <include layout="@layout/include_line_view" />

diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
index 0468f95..e6160dc 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
@@ -104,6 +104,7 @@
         entrustViewModel = ViewModelProvider(this)[EntrustViewModel::class.java]
         entrustViewModel.addResult.observe(this) {
             if (it.code == 200) {
+                "委托添加成功".show(this)
                 finish()
             }
         }
@@ -271,6 +272,11 @@
                 return@setOnClickListener
             }
 
+            if (!contact.isPhoneNumber()) {
+                "请填写正确的联系方式".show(this)
+                return@setOnClickListener
+            }
+
             val estimateTime = estimateTimeView.text.toString()
             if (estimateTime.isBlank()) {
                 "请选择预计送到的时间".show(this)
diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
index 292d7bc..a343b88 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
@@ -157,14 +157,26 @@
                                     item.standardLaboratoryName
                                 }
 
-                                if (item.validTime.isEarlierThenCurrent()) {
-                                    viewHolder.setTextColor(
-                                        R.id.deviceDateView, R.color.red.convertColor(context)
-                                    )
+                                val validTime = if (item.validTime == "") {
+                                    "暂时无法确定"
                                 } else {
+                                    item.validTime.formatToYearMonthDay()
+                                }
+
+                                if (validTime == "暂时无法确定") {
                                     viewHolder.setTextColor(
                                         R.id.deviceDateView, R.color.gray.convertColor(context)
                                     )
+                                } else {
+                                    if (item.validTime.isEarlierThenCurrent()) {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.red.convertColor(context)
+                                        )
+                                    } else {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.gray.convertColor(context)
+                                        )
+                                    }
                                 }
 
                                 viewHolder.setText(R.id.deviceNameView, item.standardName)
@@ -174,10 +186,7 @@
                                     .setText(R.id.deviceCodeView, "装置编号：${item.standardNo}")
                                     .setText(R.id.remarkView, "备注：$remark")
                                     .setText(R.id.deviceLibView, lab)
-                                    .setText(
-                                        R.id.deviceDateView,
-                                        "有效期至：${item.validTime.formatToYearMonthDay()}"
-                                    )
+                                    .setText(R.id.deviceDateView, "有效期至：${validTime}")
                                     .setText(R.id.labOwnerView, "管理员：${item.laboratoryOwnerName}")
                             }
                         }
diff --git a/app/src/main/res/layout/activity_entrust_add.xml b/app/src/main/res/layout/activity_entrust_add.xml
index 7b6248b..8174070 100644
--- a/app/src/main/res/layout/activity_entrust_add.xml
+++ b/app/src/main/res/layout/activity_entrust_add.xml
@@ -54,7 +54,8 @@
                         android:id="@+id/contactView"
                         style="@style/inputEditTextStyle"
                         android:hint="请输入"
-                        android:inputType="phone" />
+                        android:inputType="phone"
+                        android:maxLength="11" />
                 </RelativeLayout>
 
                 <include layout="@layout/include_line_view" />
diff --git a/app/src/main/res/layout/activity_feed_back.xml b/app/src/main/res/layout/activity_feed_back.xml
index 34ed6ff..fc51932 100644
--- a/app/src/main/res/layout/activity_feed_back.xml
+++ b/app/src/main/res/layout/activity_feed_back.xml
@@ -95,7 +95,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="@null"
-            android:hint="请输入手机号便于联系（非必填）"
+            android:hint="请输入手机号便于联系"
             android:inputType="phone"
             android:maxLength="11"
             android:paddingVertical="@dimen/dp_7"

diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
index 0468f95..e6160dc 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
@@ -104,6 +104,7 @@
         entrustViewModel = ViewModelProvider(this)[EntrustViewModel::class.java]
         entrustViewModel.addResult.observe(this) {
             if (it.code == 200) {
+                "委托添加成功".show(this)
                 finish()
             }
         }
@@ -271,6 +272,11 @@
                 return@setOnClickListener
             }
 
+            if (!contact.isPhoneNumber()) {
+                "请填写正确的联系方式".show(this)
+                return@setOnClickListener
+            }
+
             val estimateTime = estimateTimeView.text.toString()
             if (estimateTime.isBlank()) {
                 "请选择预计送到的时间".show(this)
diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
index 292d7bc..a343b88 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
@@ -157,14 +157,26 @@
                                     item.standardLaboratoryName
                                 }
 
-                                if (item.validTime.isEarlierThenCurrent()) {
-                                    viewHolder.setTextColor(
-                                        R.id.deviceDateView, R.color.red.convertColor(context)
-                                    )
+                                val validTime = if (item.validTime == "") {
+                                    "暂时无法确定"
                                 } else {
+                                    item.validTime.formatToYearMonthDay()
+                                }
+
+                                if (validTime == "暂时无法确定") {
                                     viewHolder.setTextColor(
                                         R.id.deviceDateView, R.color.gray.convertColor(context)
                                     )
+                                } else {
+                                    if (item.validTime.isEarlierThenCurrent()) {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.red.convertColor(context)
+                                        )
+                                    } else {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.gray.convertColor(context)
+                                        )
+                                    }
                                 }
 
                                 viewHolder.setText(R.id.deviceNameView, item.standardName)
@@ -174,10 +186,7 @@
                                     .setText(R.id.deviceCodeView, "装置编号：${item.standardNo}")
                                     .setText(R.id.remarkView, "备注：$remark")
                                     .setText(R.id.deviceLibView, lab)
-                                    .setText(
-                                        R.id.deviceDateView,
-                                        "有效期至：${item.validTime.formatToYearMonthDay()}"
-                                    )
+                                    .setText(R.id.deviceDateView, "有效期至：${validTime}")
                                     .setText(R.id.labOwnerView, "管理员：${item.laboratoryOwnerName}")
                             }
                         }
diff --git a/app/src/main/res/layout/activity_entrust_add.xml b/app/src/main/res/layout/activity_entrust_add.xml
index 7b6248b..8174070 100644
--- a/app/src/main/res/layout/activity_entrust_add.xml
+++ b/app/src/main/res/layout/activity_entrust_add.xml
@@ -54,7 +54,8 @@
                         android:id="@+id/contactView"
                         style="@style/inputEditTextStyle"
                         android:hint="请输入"
-                        android:inputType="phone" />
+                        android:inputType="phone"
+                        android:maxLength="11" />
                 </RelativeLayout>
 
                 <include layout="@layout/include_line_view" />
diff --git a/app/src/main/res/layout/activity_feed_back.xml b/app/src/main/res/layout/activity_feed_back.xml
index 34ed6ff..fc51932 100644
--- a/app/src/main/res/layout/activity_feed_back.xml
+++ b/app/src/main/res/layout/activity_feed_back.xml
@@ -95,7 +95,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="@null"
-            android:hint="请输入手机号便于联系（非必填）"
+            android:hint="请输入手机号便于联系"
             android:inputType="phone"
             android:maxLength="11"
             android:paddingVertical="@dimen/dp_7"
diff --git a/app/src/main/res/layout/item_entrust_rv_l.xml b/app/src/main/res/layout/item_entrust_rv_l.xml
index 4281184..c7c8a8d 100644
--- a/app/src/main/res/layout/item_entrust_rv_l.xml
+++ b/app/src/main/res/layout/item_entrust_rv_l.xml
@@ -76,7 +76,7 @@
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="1"
+            android:layout_weight="1.5"
             android:orientation="vertical">
 
             <TextView
@@ -108,7 +108,7 @@
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="1"
+            android:layout_weight="0.75"
             android:orientation="vertical">
 
             <TextView
@@ -140,7 +140,7 @@
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="1"
+            android:layout_weight="0.75"
             android:orientation="vertical">
 
             <TextView

diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
index 0468f95..e6160dc 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
@@ -104,6 +104,7 @@
         entrustViewModel = ViewModelProvider(this)[EntrustViewModel::class.java]
         entrustViewModel.addResult.observe(this) {
             if (it.code == 200) {
+                "委托添加成功".show(this)
                 finish()
             }
         }
@@ -271,6 +272,11 @@
                 return@setOnClickListener
             }
 
+            if (!contact.isPhoneNumber()) {
+                "请填写正确的联系方式".show(this)
+                return@setOnClickListener
+            }
+
             val estimateTime = estimateTimeView.text.toString()
             if (estimateTime.isBlank()) {
                 "请选择预计送到的时间".show(this)
diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
index 292d7bc..a343b88 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
@@ -157,14 +157,26 @@
                                     item.standardLaboratoryName
                                 }
 
-                                if (item.validTime.isEarlierThenCurrent()) {
-                                    viewHolder.setTextColor(
-                                        R.id.deviceDateView, R.color.red.convertColor(context)
-                                    )
+                                val validTime = if (item.validTime == "") {
+                                    "暂时无法确定"
                                 } else {
+                                    item.validTime.formatToYearMonthDay()
+                                }
+
+                                if (validTime == "暂时无法确定") {
                                     viewHolder.setTextColor(
                                         R.id.deviceDateView, R.color.gray.convertColor(context)
                                     )
+                                } else {
+                                    if (item.validTime.isEarlierThenCurrent()) {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.red.convertColor(context)
+                                        )
+                                    } else {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.gray.convertColor(context)
+                                        )
+                                    }
                                 }
 
                                 viewHolder.setText(R.id.deviceNameView, item.standardName)
@@ -174,10 +186,7 @@
                                     .setText(R.id.deviceCodeView, "装置编号：${item.standardNo}")
                                     .setText(R.id.remarkView, "备注：$remark")
                                     .setText(R.id.deviceLibView, lab)
-                                    .setText(
-                                        R.id.deviceDateView,
-                                        "有效期至：${item.validTime.formatToYearMonthDay()}"
-                                    )
+                                    .setText(R.id.deviceDateView, "有效期至：${validTime}")
                                     .setText(R.id.labOwnerView, "管理员：${item.laboratoryOwnerName}")
                             }
                         }
diff --git a/app/src/main/res/layout/activity_entrust_add.xml b/app/src/main/res/layout/activity_entrust_add.xml
index 7b6248b..8174070 100644
--- a/app/src/main/res/layout/activity_entrust_add.xml
+++ b/app/src/main/res/layout/activity_entrust_add.xml
@@ -54,7 +54,8 @@
                         android:id="@+id/contactView"
                         style="@style/inputEditTextStyle"
                         android:hint="请输入"
-                        android:inputType="phone" />
+                        android:inputType="phone"
+                        android:maxLength="11" />
                 </RelativeLayout>
 
                 <include layout="@layout/include_line_view" />
diff --git a/app/src/main/res/layout/activity_feed_back.xml b/app/src/main/res/layout/activity_feed_back.xml
index 34ed6ff..fc51932 100644
--- a/app/src/main/res/layout/activity_feed_back.xml
+++ b/app/src/main/res/layout/activity_feed_back.xml
@@ -95,7 +95,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="@null"
-            android:hint="请输入手机号便于联系（非必填）"
+            android:hint="请输入手机号便于联系"
             android:inputType="phone"
             android:maxLength="11"
             android:paddingVertical="@dimen/dp_7"
diff --git a/app/src/main/res/layout/item_entrust_rv_l.xml b/app/src/main/res/layout/item_entrust_rv_l.xml
index 4281184..c7c8a8d 100644
--- a/app/src/main/res/layout/item_entrust_rv_l.xml
+++ b/app/src/main/res/layout/item_entrust_rv_l.xml
@@ -76,7 +76,7 @@
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="1"
+            android:layout_weight="1.5"
             android:orientation="vertical">
 
             <TextView
@@ -108,7 +108,7 @@
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="1"
+            android:layout_weight="0.75"
             android:orientation="vertical">
 
             <TextView
@@ -140,7 +140,7 @@
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="1"
+            android:layout_weight="0.75"
             android:orientation="vertical">
 
             <TextView
diff --git a/app/src/main/res/layout/item_standard_device_rv_l.xml b/app/src/main/res/layout/item_standard_device_rv_l.xml
index 140a4f0..970929c 100644
--- a/app/src/main/res/layout/item_standard_device_rv_l.xml
+++ b/app/src/main/res/layout/item_standard_device_rv_l.xml
@@ -4,7 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="@dimen/dp_100"
     android:orientation="vertical"
-    android:padding="@dimen/dp_7">
+    android:padding="@dimen/dp_5">
 
     <LinearLayout
         android:layout_width="match_parent"

diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
index 0468f95..e6160dc 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/EntrustAddActivity.kt
@@ -104,6 +104,7 @@
         entrustViewModel = ViewModelProvider(this)[EntrustViewModel::class.java]
         entrustViewModel.addResult.observe(this) {
             if (it.code == 200) {
+                "委托添加成功".show(this)
                 finish()
             }
         }
@@ -271,6 +272,11 @@
                 return@setOnClickListener
             }
 
+            if (!contact.isPhoneNumber()) {
+                "请填写正确的联系方式".show(this)
+                return@setOnClickListener
+            }
+
             val estimateTime = estimateTimeView.text.toString()
             if (estimateTime.isBlank()) {
                 "请选择预计送到的时间".show(this)
diff --git a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
index 292d7bc..a343b88 100644
--- a/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
+++ b/app/src/main/java/com/casic/xz/meterage/view/home/StandardDeviceActivity.kt
@@ -157,14 +157,26 @@
                                     item.standardLaboratoryName
                                 }
 
-                                if (item.validTime.isEarlierThenCurrent()) {
-                                    viewHolder.setTextColor(
-                                        R.id.deviceDateView, R.color.red.convertColor(context)
-                                    )
+                                val validTime = if (item.validTime == "") {
+                                    "暂时无法确定"
                                 } else {
+                                    item.validTime.formatToYearMonthDay()
+                                }
+
+                                if (validTime == "暂时无法确定") {
                                     viewHolder.setTextColor(
                                         R.id.deviceDateView, R.color.gray.convertColor(context)
                                     )
+                                } else {
+                                    if (item.validTime.isEarlierThenCurrent()) {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.red.convertColor(context)
+                                        )
+                                    } else {
+                                        viewHolder.setTextColor(
+                                            R.id.deviceDateView, R.color.gray.convertColor(context)
+                                        )
+                                    }
                                 }
 
                                 viewHolder.setText(R.id.deviceNameView, item.standardName)
@@ -174,10 +186,7 @@
                                     .setText(R.id.deviceCodeView, "装置编号：${item.standardNo}")
                                     .setText(R.id.remarkView, "备注：$remark")
                                     .setText(R.id.deviceLibView, lab)
-                                    .setText(
-                                        R.id.deviceDateView,
-                                        "有效期至：${item.validTime.formatToYearMonthDay()}"
-                                    )
+                                    .setText(R.id.deviceDateView, "有效期至：${validTime}")
                                     .setText(R.id.labOwnerView, "管理员：${item.laboratoryOwnerName}")
                             }
                         }
diff --git a/app/src/main/res/layout/activity_entrust_add.xml b/app/src/main/res/layout/activity_entrust_add.xml
index 7b6248b..8174070 100644
--- a/app/src/main/res/layout/activity_entrust_add.xml
+++ b/app/src/main/res/layout/activity_entrust_add.xml
@@ -54,7 +54,8 @@
                         android:id="@+id/contactView"
                         style="@style/inputEditTextStyle"
                         android:hint="请输入"
-                        android:inputType="phone" />
+                        android:inputType="phone"
+                        android:maxLength="11" />
                 </RelativeLayout>
 
                 <include layout="@layout/include_line_view" />
diff --git a/app/src/main/res/layout/activity_feed_back.xml b/app/src/main/res/layout/activity_feed_back.xml
index 34ed6ff..fc51932 100644
--- a/app/src/main/res/layout/activity_feed_back.xml
+++ b/app/src/main/res/layout/activity_feed_back.xml
@@ -95,7 +95,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:background="@null"
-            android:hint="请输入手机号便于联系（非必填）"
+            android:hint="请输入手机号便于联系"
             android:inputType="phone"
             android:maxLength="11"
             android:paddingVertical="@dimen/dp_7"
diff --git a/app/src/main/res/layout/item_entrust_rv_l.xml b/app/src/main/res/layout/item_entrust_rv_l.xml
index 4281184..c7c8a8d 100644
--- a/app/src/main/res/layout/item_entrust_rv_l.xml
+++ b/app/src/main/res/layout/item_entrust_rv_l.xml
@@ -76,7 +76,7 @@
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="1"
+            android:layout_weight="1.5"
             android:orientation="vertical">
 
             <TextView
@@ -108,7 +108,7 @@
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="1"
+            android:layout_weight="0.75"
             android:orientation="vertical">
 
             <TextView
@@ -140,7 +140,7 @@
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="match_parent"
-            android:layout_weight="1"
+            android:layout_weight="0.75"
             android:orientation="vertical">
 
             <TextView
diff --git a/app/src/main/res/layout/item_standard_device_rv_l.xml b/app/src/main/res/layout/item_standard_device_rv_l.xml
index 140a4f0..970929c 100644
--- a/app/src/main/res/layout/item_standard_device_rv_l.xml
+++ b/app/src/main/res/layout/item_standard_device_rv_l.xml
@@ -4,7 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="@dimen/dp_100"
     android:orientation="vertical"
-    android:padding="@dimen/dp_7">
+    android:padding="@dimen/dp_5">
 
     <LinearLayout
         android:layout_width="match_parent"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 73d1399..6eb3da2 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,7 +1,7 @@
 <resources>
     <string name="app_name">华东计量</string>
     <string name="group_name">中国航天科工集团二院二〇三所</string>
-    <string name="loading_value">数据加载中…</string>
+    <string name="loading_value">暂时无法确定</string>
     <string name="chinese_copyright">中国航天科工集团二院二〇三所 版权所有</string>
     <string name="copyright">Copyright © 2023 – 2050 Casic. All rights reserved.</string>
     <string name="feedback_hint">请输入问题描述，点击下方\"+\"号提交截图，帮助我们更快定位您的问题</string>