diff --git a/components/uni-im-msg/types/rich-text.vue b/components/uni-im-msg/types/rich-text.vue
index a41b00ad279974b0b38c61ebdfd4d7d4d2fd9c25..7f913a6e4d033624f910d167cfeb26bc86deeb34 100644
--- a/components/uni-im-msg/types/rich-text.vue
+++ b/components/uni-im-msg/types/rich-text.vue
@@ -157,19 +157,15 @@
         })
       },
       privateChat(user_id) {
-          if (this.canPrivateChat) {
-            if (uniIm.isWidescreen) {
-              uni.$emit('uni-im-toChat', {
-                user_id
-              })
-            } else {
-              uni.navigateTo({
-                url: '/uni_modules/uni-im/pages/chat/chat?user_id=' + user_id,
-                animationDuration: 300
-            })
-          }
+        if (this.canPrivateChat) {
+          uniIm.toChat({
+            user_id,
+            source:{
+              group_id: this.msg.group_id
+            }
+          })
         }
-      },
+      }
     }
   }
 </script>
diff --git a/components/uni-im-msg/types/userinfo-card.vue b/components/uni-im-msg/types/userinfo-card.vue
index 31d485695533e3d07fc1bf02d674b589fe99dd48..cd0ba101a51bed9a7de4dd4a05c4cb609a1fc48c 100644
--- a/components/uni-im-msg/types/userinfo-card.vue
+++ b/components/uni-im-msg/types/userinfo-card.vue
@@ -46,14 +46,12 @@ export default {
   },
   methods: {
     onClick() {
-      if (uniIm.isWidescreen) {
-        uni.$emit('uni-im-toChat', { user_id: this.msg.body.user_id })
-      } else {
-        uni.navigateTo({
-          url: '/uni_modules/uni-im/pages/chat/chat?user_id=' + this.msg.body.user_id,
-          animationDuration: 300
-        })
-      }
+      uniIm.toChat({
+        user_id: this.msg.body.user_id,
+        source:{
+          group_id: this.msg.group_id
+        }
+      })
     },
   }
 }
diff --git a/components/uni-im-msg/uni-im-msg.vue b/components/uni-im-msg/uni-im-msg.vue
index f805415f113a75b436b85029ba959b74d54b88a1..ea93e0e8015fb5951ba9100f7f4660f026108884 100644
--- a/components/uni-im-msg/uni-im-msg.vue
+++ b/components/uni-im-msg/uni-im-msg.vue
@@ -7,6 +7,7 @@
           {{ friendlyTime }}
         </text>
       </view>
+      msg.revoke_ing:{{msg.revoke_ing}}
       <view class="msg-box">
         <view v-if="msg.is_revoke" class="revoke-text-box">
           <text class="revoke-text">
@@ -337,17 +338,13 @@
       },
       toChat() {
         if (this.canPrivateChat) {
-          if (uniIm.isWidescreen) {
-            uni.$emit('uni-im-toChat', {
-              "user_id": this.msg.from_uid
-            })
-          } else {
-            uni.navigateTo({
-              url: '/uni_modules/uni-im/pages/chat/chat?user_id=' + this.msg.from_uid,
-              animationDuration: 300
-            })
-          }
-        } else {}
+          uniIm.toChat({
+            user_id: this.msg.from_uid,
+            source: {
+              group_id: this.msg.group_id
+            }
+          })
+        }
       },
       chatInputContentAddcallUser() {
         if (this.msg.group_id) {
diff --git a/pages/contacts/contacts.nvue b/pages/contacts/contacts.nvue
index e0cb0eca4dedb560e6879e6da08e4f4a17b858cb..75ee09c9a50cf39a7e6e3d676dd93f919311f6ec 100644
--- a/pages/contacts/contacts.nvue
+++ b/pages/contacts/contacts.nvue
@@ -187,36 +187,7 @@
 				return uniIm.notification.unreadCount(param)
 			},
 			toChat(item) {
-				// console.log('this.isWidescreen',this.isWidescreen)
-				if (this.isWidescreen) {
-					//若为宽屏，则触发右侧详情页的自定义事件，通知右侧窗体刷新详情
-					uni.$emit('uni-im-toChat', {
-						user_id: item._id
-					})
-				} else {
-					// 若为窄屏，则打开新窗体，在新窗体打开详情页面
-					openPages('/uni_modules/uni-im/pages/chat/chat?user_id=' + item._id);
-				}
-
-				function openPages(url) {
-					uni.navigateTo({
-						url,
-						fail: (err1) => {
-							console.log({
-								err1
-							});
-							uni.switchTab({
-								url,
-								fail: (err2) => {
-									console.error({
-										err1,
-										err2
-									})
-								}
-							});
-						}
-					});
-				}
+        uniIm.toChat({user_id: item._id})
 			},
 			hiddenDeleteBtn() {
 				this.activeIndex = false
diff --git a/pages/contacts/groupList/groupList.nvue b/pages/contacts/groupList/groupList.nvue
index 9088119cf942013191218b9b034c140cba267ffc..1abd818fb606322ed27fe1cd7107b3cae8b2c08e 100644
--- a/pages/contacts/groupList/groupList.nvue
+++ b/pages/contacts/groupList/groupList.nvue
@@ -57,24 +57,7 @@
 			},
 			toChat(group_id) {
 				let conversation_id = 'group_' + group_id
-				if(this.isWidescreen){
-					uni.$emit('uni-im-toChat',conversation_id)
-				}else{
-					let url = "/uni_modules/uni-im/pages/chat/chat?conversation_id=" + conversation_id
-					uni.navigateTo({
-						url,
-						animationDuration: 300,
-						fail: (error1) => {
-							uni.switchTab({
-								url,
-								animationDuration: 300,
-								fail: (error2) => {
-									console.error(error1,error2);
-								}
-							})
-						}
-					})
-				}
+        uniIm.toChat({conversation_id})
 			}
 		}
 	}
diff --git a/pages/group/members.nvue b/pages/group/members.nvue
index 88e51d58b468c0ba1331aedcb635de1894e7ee21..e40ef9e9d07d02001e517bc8911cb30533427dd5 100644
--- a/pages/group/members.nvue
+++ b/pages/group/members.nvue
@@ -662,16 +662,12 @@
       },
       toChat(user_id) {
         if (this.canPrivateChat) {
-          if (uniIm.isWidescreen) {
-            uni.$emit('uni-im-toChat', {
-              user_id
-            })
-          } else {
-            uni.navigateTo({
-              url: '/uni_modules/uni-im/pages/chat/chat?user_id=' + user_id,
-              animationDuration: 300
-            })
-          }
+          uniIm.toChat({
+            user_id,
+            source:{
+              group_id: this.conversation.group_id
+            }
+          })
         }
       },
       onClickShowAllMenber() {
diff --git a/sdk/ext/index.js b/sdk/ext/index.js
index 06158dd15d08862a04e20c38999742b5856ed166..c48f7291caa1a2322fa64df45cc496c22ace8aad 100644
--- a/sdk/ext/index.js
+++ b/sdk/ext/index.js
@@ -1,5 +1,15 @@
-// 导入当前目录下的模块再导出
-import {init as indexDB} from './indexDB'
-import MsgManager from './MsgManager'
+import $state from '@/uni_modules/uni-im/sdk/state/index.js';
 export default {
+  toChat(param) {
+    console.error('toChat', param,$state)
+    if ($state.isWidescreen) {
+      uni.$emit('uni-im-toChat', param)
+    } else {
+      let url = '/uni_modules/uni-im/pages/chat/chat?user_id=' + user_id
+      if (param.source) {
+        url += '&source=' + decodeURIComponent(JSON.stringify(param.source))
+      }
+      uni.navigateTo({url,animationDuration: 300})
+    }
+  },
 }
\ No newline at end of file
diff --git a/sdk/index.js b/sdk/index.js
index 15125a8cf1e958f4de226c8791276381933df282..074b7114e7fb435109f295c41355e475c9b61f4f 100644
--- a/sdk/index.js
+++ b/sdk/index.js
@@ -2,8 +2,9 @@ import init from './init/index.js';
 import methods from './methods/index.js';
 import state from './state/index.js';
 import utils from './utils/index.js';
+import ext from './ext/index.js';
 
-export default utils.deepAssign(state,methods,{init,utils}, {
+const uniIm = utils.deepAssign(state,methods,{init,utils},ext,{
   mapState(keys = []) {
     let obj = {}
     keys.forEach((key) => {
@@ -20,4 +21,6 @@ export default utils.deepAssign(state,methods,{init,utils}, {
     })
     return obj
   }
-})
\ No newline at end of file
+})
+
+export default uniIm
\ No newline at end of file