diff --git a/flomo-ai/app/src/main/java/com/example/flomo_ai/SecondActivity.kt b/flomo-ai/app/src/main/java/com/example/flomo_ai/SecondActivity.kt
index fe776f5..89c7b49 100644
--- a/flomo-ai/app/src/main/java/com/example/flomo_ai/SecondActivity.kt
+++ b/flomo-ai/app/src/main/java/com/example/flomo_ai/SecondActivity.kt
@@ -49,6 +49,7 @@ class SecondActivity : AppCompatActivity() {
     private lateinit var spModelSelector: Spinner
     private lateinit var llModelList: LinearLayout
     private lateinit var btnAddModel: Button
+    private lateinit var btnDeleteModel: Button
     private lateinit var etBaseUrl: EditText
     private lateinit var etApiKey: EditText
     private lateinit var btnToggleApiKey: ImageButton
@@ -160,6 +161,7 @@ class SecondActivity : AppCompatActivity() {
             etModelName = findViewById(R.id.etModelName)
             spModelSelector = findViewById(R.id.spModelSelector)
             btnAddModel = findViewById(R.id.btnAddModel)
+            btnDeleteModel = findViewById(R.id.btnDeleteModel)
             btnTestConnection = findViewById(R.id.btnTestConnection)
             tvTestStatus = findViewById(R.id.tvTestStatus)
             
@@ -382,6 +384,21 @@ class SecondActivity : AppCompatActivity() {
             spModelSelector.setSelection(selectedLlmIndex)
         }
         
+        btnDeleteModel.setOnClickListener {
+            if (llmConfigs.size <= 1) {
+                Toast.makeText(this, "至少保留一个配置", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+            llmConfigs.removeAt(selectedLlmIndex)
+            if (selectedLlmIndex >= llmConfigs.size) {
+                selectedLlmIndex = llmConfigs.size - 1
+            }
+            loadSelectedModelToFields()
+            refreshModelSelector()
+            spModelSelector.setSelection(selectedLlmIndex)
+            Toast.makeText(this, "配置已删除", Toast.LENGTH_SHORT).show()
+        }
+        
         // Setup headers
         llHeadersList.removeAllViews()
         if (headerConfigs.isEmpty()) {
diff --git a/flomo-ai/app/src/main/res/drawable/button_danger_bg.xml b/flomo-ai/app/src/main/res/drawable/button_danger_bg.xml
new file mode 100644
index 0000000..f3a8aef
--- /dev/null
+++ b/flomo-ai/app/src/main/res/drawable/button_danger_bg.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/error"/>
+    <corners android:radius="8dp"/>
+</shape>
diff --git a/flomo-ai/app/src/main/res/layout/activity_second.xml b/flomo-ai/app/src/main/res/layout/activity_second.xml
index 2586491..4f93913 100644
--- a/flomo-ai/app/src/main/res/layout/activity_second.xml
+++ b/flomo-ai/app/src/main/res/layout/activity_second.xml
@@ -182,6 +182,18 @@
                         android:background="@drawable/button_primary_bg"
                         android:minWidth="0dp"
                         android:minHeight="0dp"/>
+
+                    <Button
+                        android:id="@+id/btnDeleteModel"
+                        android:layout_width="wrap_content"
+                        android:layout_height="40dp"
+                        android:layout_marginStart="4dp"
+                        android:text="删除"
+                        android:textSize="14sp"
+                        android:textColor="@color/white"
+                        android:background="@drawable/button_danger_bg"
+                        android:minWidth="0dp"
+                        android:minHeight="0dp"/>
                 </LinearLayout>
 
                 <!-- Base URL -->