diff --git a/components/uni-im-chat-input/uni-im-chat-input.vue b/components/uni-im-chat-input/uni-im-chat-input.vue
index 0e4fbc4e629c13cf9bb5b0857cffb0967d9d08af..268d36b150ad34c82df12be7584becae176a87b4 100644
--- a/components/uni-im-chat-input/uni-im-chat-input.vue
+++ b/components/uni-im-chat-input/uni-im-chat-input.vue
@@ -95,13 +95,27 @@
         ],
         emojiCodes,
         chatInputBoxHeight:'auto',
-        extToolBar: []
       }
     },
     computed: {
       canSend() {
         return typeof this.modelValue != "string" || this.modelValue.trim().length > 0;
+      },
+      // #ifdef H5
+      extToolBar(){
+        // 调用扩展点，扩展程序可以在消息输入框新增一个工具类的项
+        const currentConversationId = uniIm.currentConversationId
+        return uniIm.extensions
+          .invokeExts("input-msg-tool-bar",uniIm.conversation.getCached(currentConversationId))
+          .filter((result) => result && result.component)
+          .map((result) => {
+            return {
+              component: markRaw(result.component),
+              props: result.props||{}
+            };
+          });
       }
+      // #endif
     },
     props: {
       modelValue: {
@@ -118,18 +132,7 @@
       }
     },
     mounted() {
-      // 调用扩展点，扩展程序可以在消息输入框新增一个工具类的项
-      this.extToolBar = uniIm.extensions
-        .invokeExts("input-msg-tool-bar",this.conversation)
-        .filter((result) => result && result.component)
-        .map((result) => {
-          return {
-            component: markRaw(result.component),
-            props: result.props||{}
-          };
-        });
       currentModelValue = this.modelValue;
-      
       // #ifdef H5
       // pc宽屏支持拖动改变输入框高度
       if(uniIm.isWidescreen){