diff --git a/build-profile.json5 b/build-profile.json5
index 24a4284..ed2b75e 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -1,19 +1,6 @@
 {
   "app": {
     "signingConfigs": [
-      {
-        "name": "default",
-        "type": "HarmonyOS",
-        "material": {
-          "certpath": "C:\\Users\\wps\\.ohos\\config\\default_himi_ZikZBgBxljB_K_Bxk-D2cAAnn7PtvbqmLsGmCt8Tywc=.cer",
-          "storePassword": "0000001A324907DCD55F55682629687D2AECF782CD5EE7AFB5FD4E1CE3F410EBB601D67AC641B4072B46",
-          "keyAlias": "debugKey",
-          "keyPassword": "0000001A8EDEBEC4585D89D8F1A91107E51ECAE951E2849CB803CBA06C9E49A8A59CCB6CECAF7EA5DADA",
-          "profile": "C:\\Users\\wps\\.ohos\\config\\default_himi_ZikZBgBxljB_K_Bxk-D2cAAnn7PtvbqmLsGmCt8Tywc=.p7b",
-          "signAlg": "SHA256withECDSA",
-          "storeFile": "C:\\Users\\wps\\.ohos\\config\\default_himi_ZikZBgBxljB_K_Bxk-D2cAAnn7PtvbqmLsGmCt8Tywc=.p12"
-        }
-      }
     ],
     "products": [
       {
diff --git a/entry/src/main/cangjie/src/components/chat/ChatList.cj b/entry/src/main/cangjie/src/components/chat/ChatList.cj
index aaff98c..ddbfd05 100644
--- a/entry/src/main/cangjie/src/components/chat/ChatList.cj
+++ b/entry/src/main/cangjie/src/components/chat/ChatList.cj
@@ -7,24 +7,24 @@ internal import ohos.component.*
 internal import ohos.state_manage.*
 internal import ohos.base.*
 import ohos.state_macro_manage.*
+import ohos_app_cangjie_entry.mock.*
+import ohos_app_cangjie_entry.types.ChatData
 
 @Component
 public class ChatList {
-    let array: Array<String> = Array<String>(20, item: "teststesstasdasdasdadasdasdsaesrfsfdfsfdsf")
+    @Prop
+    var datasource: ObservedArray<ChatData>
+
     func build() {
         Column {
             List(space: 20, initialIndex: 0) {
                 ForEach(
-                    this.array,
+                    this.datasource,
                     itemGeneratorFunc: {
-                        item: String, index: Int64 => ListItem {
+                        item: ChatData, _: Int => ListItem {
                             ChatMessage(
-                                message: item,
-                                source: if (index % 2 == 0) {
-                                    EChatSource.ME
-                                } else {
-                                    EChatSource.YOU
-                                }
+                                message: item.message,
+                                source: item.source,
                             )
                         }
                     }
diff --git a/entry/src/main/cangjie/src/components/chat/ChatMessage.cj b/entry/src/main/cangjie/src/components/chat/ChatMessage.cj
index 56a9fe3..c9c9d21 100644
--- a/entry/src/main/cangjie/src/components/chat/ChatMessage.cj
+++ b/entry/src/main/cangjie/src/components/chat/ChatMessage.cj
@@ -14,8 +14,8 @@ public enum EChatSource {
     | ME
     | YOU
 
-    operator func == (right: EChatSource) {
-
+    operator func ==(right: EChatSource) {
+        // fixme: enum无法比较
     }
 }
 
@@ -24,12 +24,24 @@ public class ChatMessage {
     @Prop
     var message: String
     @Prop
-    var source: EChatSource
+    var source: String
+
+    func upperSource() {
+        return source.toAsciiUpper()
+    }
+
+    @Builder
+    func matchSource() {
+        if (this.upperSource() == 'ME') {
+            ChatMessageMe(message: this.message)
+        } else if (this.upperSource() == 'YOU') {
+            ChatMessageYou(message: this.message)
+        } else {}
+    }
 
     func build() {
-        if  (this.source == EChatSource.ME) {
-            ChatMessageMe(message: this.message)}
-            else {ChatMessageYou(message: this.message)}
+        Row() {
+            this.matchSource()
         }
     }
 }
diff --git a/entry/src/main/cangjie/src/components/home/HomeMain.cj b/entry/src/main/cangjie/src/components/home/HomeMain.cj
index 05626a9..b86e742 100644
--- a/entry/src/main/cangjie/src/components/home/HomeMain.cj
+++ b/entry/src/main/cangjie/src/components/home/HomeMain.cj
@@ -8,12 +8,17 @@ internal import ohos.component.*
 internal import ohos.state_manage.*
 import ohos.state_macro_manage.*
 import ohos_app_cangjie_entry.components.chat.ChatList
+import ohos_app_cangjie_entry.mock.*
+import ohos_app_cangjie_entry.types.ChatData
 
 @Component
 public class HomeMain {
+    @State
+    var mockData: ObservedArray<ChatData> = ObservedArray<ChatData>(genMockData())
+
     func build() {
         Column {
-            ChatList()
+            ChatList(datasource: this.mockData)
         }.width(100.percent).height(100.percent).padding(right: 8.vp, left: 8.vp)
     }
 }
diff --git a/entry/src/main/cangjie/src/mock/Data.cj b/entry/src/main/cangjie/src/mock/Data.cj
new file mode 100644
index 0000000..546d8d9
--- /dev/null
+++ b/entry/src/main/cangjie/src/mock/Data.cj
@@ -0,0 +1,27 @@
+/**
+ * Created on 2024/9/15
+ */
+package ohos_app_cangjie_entry.mock
+
+import std.collection.*
+import ohos_app_cangjie_entry.types.ChatData
+
+public func genMockData() {
+    Array<ChatData>(
+        20,
+        {
+            index: Int => ChatData(
+                message: "teststesstasdasdasdadasdasdsaesrfsfdfsfdsf",
+                source: getSource(index)
+            )
+        }
+    )
+}
+
+func getSource(index: Int): String {
+    if (index % 2 == 0) {
+        'ME'
+    } else {
+        'YOU'
+    }
+}
diff --git a/entry/src/main/cangjie/src/store/ChatStore.cj b/entry/src/main/cangjie/src/store/ChatStore.cj
new file mode 100644
index 0000000..5665048
--- /dev/null
+++ b/entry/src/main/cangjie/src/store/ChatStore.cj
@@ -0,0 +1,24 @@
+/**
+ * Created on 2024/9/15
+ */
+package ohos_app_cangjie_entry.store
+
+internal import ohos.state_manage.*
+internal import ohos.base.*
+import ohos.state_macro_manage.*
+import ohos_app_cangjie_entry.types.ChatData
+import ohos_app_cangjie_entry.mock.genMockData
+
+@Observed
+public class ChatStore {
+    @Publish
+    private var chatDataList: ObservedArray<ChatData> = ObservedArray<ChatData>()
+
+    func initChatStore() {
+        this.chatDataList = ObservedArray<ChatData>(genMockData())
+    }
+
+    func getChatDataList() {
+        return this.chatDataList
+    }
+}
diff --git a/entry/src/main/cangjie/src/types/ChatData.cj b/entry/src/main/cangjie/src/types/ChatData.cj
new file mode 100644
index 0000000..296e8f0
--- /dev/null
+++ b/entry/src/main/cangjie/src/types/ChatData.cj
@@ -0,0 +1,8 @@
+/**
+ * Created on 2024/9/15
+ */
+package ohos_app_cangjie_entry.types
+
+public struct ChatData {
+    public ChatData(public let message!: String, public let source!: String) {}
+}