修复优化bug

yinmeng-ios/Modules/Chat/Tool/YinCustomAttachmentCoding.swift

@@ -0,0 +1,40 @@
+//
+//  YinCustomAttachmentCoding.swift
+//  yinmeng-ios
+//
+//  Created by duoban on 2024/3/23.
+//
+
+import UIKit
+import MJExtension
+
+class YinCustomAttachmentCoding: NSObject,NIMCustomAttachmentCoding {
+    func decodeAttachment(_ content: String?) -> NIMCustomAttachment? {
+        
+        if let text = content as? NSString{
+            if var data = text.mj_JSONObject() as? [String : Any],let first = data["first"] as? Int,let second = data["second"] as? Int,let dic = data["data"]{
+               
+                if let _dic = dic as? [String : Any]{
+                    let model = ChatCustomMsgModel()
+                    model.first = first
+                    model.second = second
+                    model.data = _dic
+                    return model
+                    
+                }
+                if let _dic = dic as? NSString,let getDic = _dic.mj_JSONObject(),let getData = getDic as? [String:Any]{
+                    let model = ChatCustomMsgModel()
+                    model.first = first
+                    model.second = second
+                    model.data = getData
+                    return model
+                }
+               
+            }
+        }
+        return nil
+    }
+    
+    
+     
+}