diff --git a/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt b/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
index eb25cb8..c48efa3 100644
--- a/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
+++ b/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
@@ -24,6 +24,7 @@
 import com.casic.br.operationsite.utils.RuntimeCache
 import com.casic.br.operationsite.vm.LoginViewModel
 import com.casic.br.operationsite.vm.WorkSiteViewModel
+import com.google.android.material.bottomsheet.BottomSheetBehavior
 import com.pengxh.kt.lite.base.KotlinBaseActivity
 import com.pengxh.kt.lite.extensions.navigatePageTo
 import com.pengxh.kt.lite.utils.ActivityStackManager
@@ -46,6 +47,7 @@
     private lateinit var workSiteViewModel: WorkSiteViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userHelmetCode: String
+    private lateinit var bottomSheetBehavior: BottomSheetBehavior<*>
     private var clickedMarker: Marker? = null
 
     /**
@@ -209,10 +211,16 @@
                 navigatePageTo<LoginActivity>()
             }
         }
+
+        // 初始化 BottomSheetBehavior
+        bottomSheetBehavior = BottomSheetBehavior.from(binding.cardView)
+        bottomSheetBehavior.state = BottomSheetBehavior.STATE_HIDDEN
     }
 
     override fun onMarkerClick(marker: Marker?): Boolean {
         Log.d(kTag, "onMarkerClick: ${marker?.options?.title}")
+        // 显示 CardView
+        bottomSheetBehavior.state = BottomSheetBehavior.STATE_HALF_EXPANDED
         marker?.apply {
             infoWindow = if (this.options.title.toString().startsWith("AQS")) {
                 LayoutInflater.from(context).inflate(R.layout.popup_safety_tree_info, null)

diff --git a/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt b/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
index eb25cb8..c48efa3 100644
--- a/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
+++ b/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
@@ -24,6 +24,7 @@
 import com.casic.br.operationsite.utils.RuntimeCache
 import com.casic.br.operationsite.vm.LoginViewModel
 import com.casic.br.operationsite.vm.WorkSiteViewModel
+import com.google.android.material.bottomsheet.BottomSheetBehavior
 import com.pengxh.kt.lite.base.KotlinBaseActivity
 import com.pengxh.kt.lite.extensions.navigatePageTo
 import com.pengxh.kt.lite.utils.ActivityStackManager
@@ -46,6 +47,7 @@
     private lateinit var workSiteViewModel: WorkSiteViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userHelmetCode: String
+    private lateinit var bottomSheetBehavior: BottomSheetBehavior<*>
     private var clickedMarker: Marker? = null
 
     /**
@@ -209,10 +211,16 @@
                 navigatePageTo<LoginActivity>()
             }
         }
+
+        // 初始化 BottomSheetBehavior
+        bottomSheetBehavior = BottomSheetBehavior.from(binding.cardView)
+        bottomSheetBehavior.state = BottomSheetBehavior.STATE_HIDDEN
     }
 
     override fun onMarkerClick(marker: Marker?): Boolean {
         Log.d(kTag, "onMarkerClick: ${marker?.options?.title}")
+        // 显示 CardView
+        bottomSheetBehavior.state = BottomSheetBehavior.STATE_HALF_EXPANDED
         marker?.apply {
             infoWindow = if (this.options.title.toString().startsWith("AQS")) {
                 LayoutInflater.from(context).inflate(R.layout.popup_safety_tree_info, null)
diff --git a/app/src/main/res/layout/activity_site_tab.xml b/app/src/main/res/layout/activity_site_tab.xml
index ba0e385..522cabe 100644
--- a/app/src/main/res/layout/activity_site_tab.xml
+++ b/app/src/main/res/layout/activity_site_tab.xml
@@ -94,12 +94,13 @@
                 android:layout_height="match_parent" />
 
             <androidx.cardview.widget.CardView
+                android:id="@+id/cardView"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
                 android:backgroundTint="@color/mainBackColor"
                 app:behavior_fitToContents="false"
                 app:behavior_halfExpandedRatio="0.725"
-                app:behavior_hideable="false"
+                app:behavior_hideable="true"
                 app:behavior_peekHeight="@dimen/dp_50"
                 app:cardCornerRadius="@dimen/dp_10"
                 app:cardElevation="@dimen/dp_10"