diff --git a/collection/uni-im-conversation/collection.json b/collection/uni-im-conversation/collection.json
new file mode 100644
index 0000000..f82cd15
--- /dev/null
+++ b/collection/uni-im-conversation/collection.json
@@ -0,0 +1,62 @@
+{
+  "schema": {
+    "bsonType": "object",
+    "required": [],
+    "permission": {
+      "read": "doc.owner_uid == auth.uid",
+      "create": false,
+      "update": "doc.owner_uid == auth.uid",
+      "delete": false
+    },
+    "properties": {
+      "_id": {
+        "description": "ID，系统自动生成"
+      },
+      "id": {
+        "description": "会话ID，由会话双方用户的id按一定规律排序后的哈希值",
+        "permission": {
+          "write": false
+        }
+      },
+      "type": {
+        "description": "会话类型，区分：群聊和单聊",
+        "bsonType": "int",
+        "label": "",
+        "permission": {
+          "write": false
+        }
+      },
+      "owner_uid": {
+        "description": "所属用户id",
+        "bsonType": "string",
+        "permission": {
+          "write": false
+        }
+      },
+      "user_id": {
+        "description": "对话的用户id",
+        "permission": {
+          "write": false
+        }
+      },
+      "group_id": {
+        "description": "对话的群id",
+        "permission": {
+          "write": false
+        }
+      },
+      "unread_count": {
+        "description": "未读消息数量",
+        "bsonType": "int"
+      },
+      "last_msg_note": {
+        "description": "最后一条消息概述（文本消息的前n个字，消息为多媒体时只描述类型）"
+      },
+      "update_time": {
+        "bsonType": "timestamp",
+        "description": "最后一次会话时间"
+      }
+    }
+  },
+  "index": []
+}
diff --git a/collection/uni-im-conversation/package.json b/collection/uni-im-conversation/package.json
new file mode 100644
index 0000000..9cd64c8
--- /dev/null
+++ b/collection/uni-im-conversation/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "@opendb/uni-im-conversation",
+  "version": "0.0.1",
+  "description": "uni-im-conversation",
+  "keywords": ["uni-im","即时通讯"],
+  "opendb": {
+    "title": "即时通讯会话",
+    "type": "collection",
+    "contributors": [
+      {
+        "name": "DCloud_JSON",
+        "email": "",
+        "homepage": ""
+      }
+    ]
+  }
+}
diff --git a/collection/uni-im-msg/collection.json b/collection/uni-im-msg/collection.json
new file mode 100644
index 0000000..b86232a
--- /dev/null
+++ b/collection/uni-im-msg/collection.json
@@ -0,0 +1,87 @@
+{
+  "schema": {
+    "bsonType": "object",
+    "permission": {
+      "create": false,
+      "delete": false,
+      "read": "auth.uid == doc.to_uid || auth.uid == doc.from_uid",
+      "update": false
+    },
+    "required": [
+      "to_uid",
+      "body",
+      "type"
+    ],
+    "properties": {
+      "_id": {
+        "description": "ID，系统自动生成"
+      },
+      "from_uid": {
+        "bsonType": "string",
+        "description": "消息发送方 UserID（用于指定发送消息方帐号）",
+        "forceDefaultValue": {
+          "$env": "uid"
+        }
+      },
+      "to_uid": {
+        "bsonType": "string",
+        "description": "消息接收方 UserID"
+      },
+      "group_id": {
+        "bsonType": "string",
+        "description": "group_id即消息接收群的id"
+      },
+      "body": {
+        "description": "消息内容，包含的键会随type变化。需要自己写valedateFunction验证"
+      },
+      "is_read": {
+        "bsonType": "bool",
+        "description": "是否已读",
+        "forceDefaultValue": false
+      },
+      "type": {
+        "bsonType": "string",
+        "enum": [{
+            "text": "文本",
+            "value": "text"
+          },
+          {
+            "text": "图像",
+            "value": "image"
+          },
+          {
+            "text": "语音",
+            "value": "sound"
+          },
+          {
+            "text": "视频",
+            "value": "video"
+          },
+          {
+            "text": "文件",
+            "value": "file"
+          },
+          {
+            "text": "位置",
+            "value": "location"
+          }
+        ]
+      },
+      "create_time": {
+        "bsonType": "timestamp",
+        "description": "消息发送时间戳",
+        "forceDefaultValue": {
+          "$env": "now"
+        }
+      },
+      "client_create_time": {
+        "bsonType": "timestamp",
+        "description": "客户端创建消息的时间戳",
+        "forceDefaultValue": {
+          "$env": "now"
+        }
+      }
+    }
+  },
+  "index": []
+}
diff --git a/collection/uni-im-msg/package.json b/collection/uni-im-msg/package.json
new file mode 100644
index 0000000..f749b8b
--- /dev/null
+++ b/collection/uni-im-msg/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "@opendb/uni-im-msg",
+  "version": "0.0.1",
+  "description": "uni-im-msg",
+  "keywords": ["uni-im","即时通讯"],
+  "opendb": {
+    "title": "即时通讯消息",
+    "type": "collection",
+    "contributors": [
+      {
+        "name": "DCloud_JSON",
+        "email": "",
+        "homepage": ""
+      }
+    ]
+  }
+}