diff --git a/radiant.quickgen/inst/app/tools/analysis/quickgen_chat_ui.R b/radiant.quickgen/inst/app/tools/analysis/quickgen_chat_ui.R
index 1dad9f432ea325d7bc601deb9c56675bcaccb4ba..1e2258cab04625fe4ae5faef012353cf6f04c7cd 100644
--- a/radiant.quickgen/inst/app/tools/analysis/quickgen_chat_ui.R
+++ b/radiant.quickgen/inst/app/tools/analysis/quickgen_chat_ui.R
@@ -44,21 +44,23 @@ output$chat_main_ui <- renderUI({
 
 ## ===== 右侧区域=====
 output$chat_history_area <- renderUI({
-  field_info_encoded <- get_field_info()
+  field_info_encoded <- get_field_info()  
   if (is.null(field_info_encoded)) {
-    return(create_no_data_ui())
+    return(create_no_data_ui())  
   }
-  iframe_src <- paste0(
-    "http://180.169.131.147:8106/chat/9f51e1707c61027e?field_info=", 
-    field_info_encoded
+  
+  dify_url <- paste0(
+    "http://180.169.131.147:8078/chatbot/tfjTZpJDgjQpBeTl", 
+    "?field_info=", field_info_encoded  
   )
+  
   tagList(
     div(
       id = "chat_box",
       style = "height:700px; overflow-y:auto; border:1px solid #ddd;
                border-radius:4px; padding:0; background:#fff; margin-bottom:10px;", 
       tags$iframe(
-        src = iframe_src,
+        src = dify_url,
         style = "width: 100%; height: 100%; border: 0;",  
         frameborder = 0,
         allow = "microphone"
@@ -100,32 +102,37 @@ output$field_info_display <- renderUI({
 
 # 获取并编码字段信息
 get_field_info <- function() {
+  # 1. 校验数据集是否存在
   if (is.null(input$dataset) || !exists("r_data")) {
     return(NULL)
   }
   
+  # 2. 尝试获取数据集
   df <- tryCatch({
     get(input$dataset, envir = r_data)
   }, error = function(e) NULL)
   
+  # 3. 数据集为空则返回NULL
   if (is.null(df) || !is.data.frame(df) || nrow(df) == 0) {
     return(NULL)
   }
   
-  # 构建带数据集名称的JSON结构
+  # 4. 构建字段名-类型映射
   fields_list <- list()
   for (col_name in names(df)) {
-    fields_list[[col_name]] <- class(df[[col_name]])[1]
+    fields_list[[col_name]] <- class(df[[col_name]])[1] 
   }
   
+  # 5. 构建JSON结构
   json_struct <- list(
-    dataset_name = input$dataset,
-    fields = fields_list
+    dataset_name = input$dataset,  
+    fields = fields_list          
   )
   
+  # 6. JSON序列化+URL编码
   URLencode(
-    jsonlite::toJSON(json_struct, auto_unbox = TRUE),
-    reserved = TRUE
+    jsonlite::toJSON(json_struct, auto_unbox = TRUE),  
+    reserved = TRUE  
   )
 }
 
@@ -139,4 +146,4 @@ create_no_data_ui <- function() {
       p(i18n$t("请选择数据集"), style = "text-align:center; margin-top:50px; color:#888;")
     )
   )
-}
\ No newline at end of file
+}