diff --git a/app/src/main/java/com/hyc/parrot/MyApplication.kt b/app/src/main/java/com/hyc/parrot/MyApplication.kt
index 91b39b6..56ed79c 100644
--- a/app/src/main/java/com/hyc/parrot/MyApplication.kt
+++ b/app/src/main/java/com/hyc/parrot/MyApplication.kt
@@ -16,6 +16,7 @@ class MyApplication : Application() {
     super.onCreate()
     context = this.applicationContext
     Parrot.initJsonConvert(MyJsonConvert())
+    Parrot.initDefaultPrefixProvider(MyPrefixProvider())
   }
 
   companion object {
diff --git a/app/src/main/java/com/hyc/parrot/MyPrefixProvider.kt b/app/src/main/java/com/hyc/parrot/MyPrefixProvider.kt
new file mode 100644
index 0000000..a9f510e
--- /dev/null
+++ b/app/src/main/java/com/hyc/parrot/MyPrefixProvider.kt
@@ -0,0 +1,28 @@
+package com.hyc.parrot
+
+import android.annotation.SuppressLint
+import com.hyc.parrot_lib.PrefixProvider
+import java.text.SimpleDateFormat
+import java.util.Date
+
+/**
+ * @author: 贺宇成
+ * @date: 2019-12-23 09:44
+ * @desc:
+ */
+class MyPrefixProvider : PrefixProvider {
+
+  companion object {
+    const val DATE = "date"
+  }
+
+  @SuppressLint("SimpleDateFormat")
+  override fun getKeyPrefix(key: String, prefixKey: String): String {
+    if (prefixKey == DATE) {
+      val date = Date()
+      val format = SimpleDateFormat("yyyy-MM-dd")
+      return format.format(date)
+    }
+    return ""
+  }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/hyc/parrot/ThreeActivity.java b/app/src/main/java/com/hyc/parrot/ThreeActivity.java
index 852dace..1d334b3 100644
--- a/app/src/main/java/com/hyc/parrot/ThreeActivity.java
+++ b/app/src/main/java/com/hyc/parrot/ThreeActivity.java
@@ -56,7 +56,7 @@ public class ThreeActivity extends BaseActivity {
 
   private String prefix;
 
-  @InitCache(value = "clickCount",prefixField = "prefix")
+  @InitCache(value = "clickCount",prefixKey = MyPrefixProvider.DATE)
   private int clickCount = 0;
 
 
@@ -67,11 +67,11 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
     setContentView(R.layout.activity_main);
     printParam();
     final TextView tvTitle = findViewById(R.id.tv_title);
-    tvTitle.setText("共计点击了多少次："+clickCount);
+    tvTitle.setText("今日共计点击了多少次："+clickCount);
     tvTitle.setOnClickListener(new View.OnClickListener() {
       @Override
       public void onClick(View v) {
-        tvTitle.setText("共计点击了多少次："+(++clickCount));
+        tvTitle.setText("今日共计点击了多少次："+(++clickCount));
       }
     });
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 3d953fe..4b095b7 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,19 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-  xmlns:app="http://schemas.android.com/apk/res-auto"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
+  android:orientation="vertical"
   tools:context=".MainActivity">
 
   <TextView
+    android:layout_marginTop="100dp"
+    android:layout_gravity="center_horizontal"
     android:id="@+id/tv_title"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:text="Hello World!"
-    app:layout_constraintBottom_toBottomOf="parent"
-    app:layout_constraintLeft_toLeftOf="parent"
-    app:layout_constraintRight_toRightOf="parent"
-    app:layout_constraintTop_toTopOf="parent" />
+    android:text="Hello World!" />
 
-</android.support.constraint.ConstraintLayout>
\ No newline at end of file
+
+
+</LinearLayout>
\ No newline at end of file
diff --git a/parrot_lib/src/main/java/com/hyc/parrot_lib/CacheAdapter.kt b/parrot_lib/src/main/java/com/hyc/parrot_lib/CacheAdapter.kt
index 75f5ca1..4d40d37 100644
--- a/parrot_lib/src/main/java/com/hyc/parrot_lib/CacheAdapter.kt
+++ b/parrot_lib/src/main/java/com/hyc/parrot_lib/CacheAdapter.kt
@@ -43,14 +43,23 @@ class CacheAdapter(private val dataConvert: DataConvert) {
   }
 
   private fun getRealKey(any: Any, initCache: InitCache, index: Int = 0): String {
-    if (initCache.prefixField.isNotEmpty()) {
-      val field = any::class.java.getDeclaredField(initCache.prefixField)
-      field.enableAccessible()
-      return field.get(any).toString()
-    } else if (any is PrefixProvider) {
-      return any.getRealKey(initCache.value[index])
+    val originKey = initCache.value[index]
+    return when {
+      initCache.prefixField.isNotEmpty() -> {
+        val field = any::class.java.getDeclaredField(initCache.prefixField)
+        field.enableAccessible()
+        "${field.get(any)}-$originKey"
+      }
+      any is PrefixProvider && initCache.prefixKey.isNotEmpty() -> "${any.getKeyPrefix(
+        originKey,
+        initCache.prefixKey
+      )}-$originKey"
+      defaultPrefixProvider != null && initCache.prefixKey.isNotEmpty() -> "${defaultPrefixProvider!!.getKeyPrefix(
+        originKey,
+        initCache.prefixKey
+      )}-$originKey"
+      else -> originKey
     }
-    return defaultPrefixProvider?.getRealKey(initCache.value[index]) ?: initCache.value[index]
   }
 
   private fun getRealKeyList(any: Any, initCache: InitCache): List<String> {
@@ -292,5 +301,5 @@ class CacheAdapter(private val dataConvert: DataConvert) {
 }
 
 interface PrefixProvider {
-  fun getRealKey(key: String): String
+  fun getKeyPrefix(key: String,prefixKey : String): String
 }
\ No newline at end of file
diff --git a/parrot_lib/src/main/java/com/hyc/parrot_lib/InitParam.kt b/parrot_lib/src/main/java/com/hyc/parrot_lib/InitParam.kt
index ad78f0a..bbc63d8 100644
--- a/parrot_lib/src/main/java/com/hyc/parrot_lib/InitParam.kt
+++ b/parrot_lib/src/main/java/com/hyc/parrot_lib/InitParam.kt
@@ -56,5 +56,6 @@ annotation class InitCache(
   vararg val value: String = [],
   val spName: String = "",
   val prefixField: String = "",
+  val prefixKey: String = "",
   val onlyRead: Boolean = false
 )
\ No newline at end of file