diff --git a/kclvm/Cargo.lock b/kclvm/Cargo.lock
index 3350ec3a7..b3ca38cc7 100644
--- a/kclvm/Cargo.lock
+++ b/kclvm/Cargo.lock
@@ -1641,6 +1641,7 @@ dependencies = [
  "indexmap 1.9.3",
  "kclvm-runtime",
  "kclvm-span",
+ "serde_json",
  "termize",
  "tracing",
 ]
diff --git a/kclvm/error/Cargo.toml b/kclvm/error/Cargo.toml
index c0c19466e..ae342ab4e 100644
--- a/kclvm/error/Cargo.toml
+++ b/kclvm/error/Cargo.toml
@@ -19,3 +19,4 @@ atty = "0.2"
 annotate-snippets = { version = "0.9.2", default-features = false, features = ["color"] }
 termize = "0.1.1"
 indexmap = "1.0"
+serde_json = "1.0.86"
diff --git a/kclvm/error/src/diagnostic.rs b/kclvm/error/src/diagnostic.rs
index bbcb7f7e8..6c8034c2c 100644
--- a/kclvm/error/src/diagnostic.rs
+++ b/kclvm/error/src/diagnostic.rs
@@ -5,11 +5,23 @@ use std::hash::Hash;
 use crate::{ErrorKind, WarningKind};
 
 /// Diagnostic structure.
-#[derive(Clone, Debug, PartialEq, Eq, Hash)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub struct Diagnostic {
     pub level: Level,
     pub messages: Vec<Message>,
     pub code: Option<DiagnosticId>,
+    pub data: Option<serde_json::Value>,
+}
+
+impl Hash for Diagnostic {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.level.hash(state);
+        for message in &self.messages {
+            message.hash(state);
+        }
+        self.code.hash(state);
+        // The `data` field is not included in the hash calculation due to complexity.
+    }
 }
 
 /// Position describes an arbitrary source position including the filename,
@@ -106,18 +118,23 @@ impl Diagnostic {
         note: Option<&str>,
         range: Range,
         code: Option<DiagnosticId>,
-        suggested_replacement: Option<String>,
+        suggestions: Option<Vec<String>>,
     ) -> Self {
+        let data = suggestions.clone().map(|suggs| {
+            serde_json::json!({ "suggested_replacements": suggs })
+        });
+        // println!("Data received: {:?}", data);
         Diagnostic {
             level,
             messages: vec![Message {
                 range,
                 style: Style::LineAndColumn,
                 message: message.to_string(),
-                note: note.map(|s| s.to_string()),
-                suggested_replacement,
+                note: note.map(String::from),
+                suggested_replacement: None, // Assuming your Message struct has such a field
             }],
             code,
+            data, // Now includes suggestions if provided
         }
     }
 
diff --git a/kclvm/error/src/lib.rs b/kclvm/error/src/lib.rs
index 5af39db81..1109b6330 100644
--- a/kclvm/error/src/lib.rs
+++ b/kclvm/error/src/lib.rs
@@ -125,17 +125,31 @@ impl Handler {
     }
 
     /// Construct a type error and put it into the handler diagnostic buffer
-    pub fn add_compile_error(&mut self, msg: &str, range: Range) -> &mut Self {
+    pub fn add_compile_error(
+        &mut self, 
+        msg: &str, 
+        range: Range
+    ) -> &mut Self {
+        self.add_compile_error_with_suggestions(msg, range, None)
+    }
+
+    pub fn add_compile_error_with_suggestions(
+        &mut self, 
+        msg: &str, 
+        range: Range, 
+        suggestions: Option<Vec<String>>,
+    ) -> &mut Self {
         let diag = Diagnostic::new_with_code(
             Level::Error,
             msg,
             None,
             range,
             Some(DiagnosticId::Error(E2L23.kind)),
-            None,
+            suggestions,
         );
+        // println!("{:?}",suggestions.clone());
         self.add_diagnostic(diag);
-
+    
         self
     }
 
@@ -165,6 +179,7 @@ impl Handler {
             level: Level::Error,
             messages: msgs.to_owned(),
             code: Some(DiagnosticId::Error(err)),
+            data: None,
         };
         self.add_diagnostic(diag);
 
@@ -183,6 +198,7 @@ impl Handler {
                     suggested_replacement: None,
                 }],
                 code: Some(DiagnosticId::Suggestions),
+                data: None,
             });
         });
 
@@ -208,6 +224,7 @@ impl Handler {
             level: Level::Warning,
             messages: msgs.to_owned(),
             code: Some(DiagnosticId::Warning(warning)),
+            data: None,
         };
         self.add_diagnostic(diag);
 
diff --git a/kclvm/sema/src/resolver/scope.rs b/kclvm/sema/src/resolver/scope.rs
index dcb7a3623..da8ef92ff 100644
--- a/kclvm/sema/src/resolver/scope.rs
+++ b/kclvm/sema/src/resolver/scope.rs
@@ -432,13 +432,14 @@ impl<'ctx> Resolver<'ctx> {
                 if suggs.len() > 0 {
                     suggestion = format!(", did you mean '{:?}'?", suggs);
                 }
-                self.handler.add_compile_error(
+                self.handler.add_compile_error_with_suggestions(
                     &format!(
                         "name '{}' is not defined{}",
                         name.replace('@', ""),
                         suggestion
                     ),
                     range,
+                    Some(suggs.clone()),
                 );
                 self.any_ty()
             }
diff --git a/kclvm/tools/src/LSP/src/quick_fix.rs b/kclvm/tools/src/LSP/src/quick_fix.rs
index 95f54dabd..821345956 100644
--- a/kclvm/tools/src/LSP/src/quick_fix.rs
+++ b/kclvm/tools/src/LSP/src/quick_fix.rs
@@ -1,9 +1,10 @@
 use std::collections::HashMap;
 
-use kclvm_error::{DiagnosticId, WarningKind};
+use kclvm_error::{DiagnosticId, WarningKind, ErrorKind};
 use lsp_types::{
-    CodeAction, CodeActionKind, CodeActionOrCommand, Diagnostic, NumberOrString, TextEdit, Url,
+     CodeAction, CodeActionKind, CodeActionOrCommand, Diagnostic, NumberOrString, TextEdit, Url
 };
+use serde_json::Value;
 
 pub(crate) fn quick_fix(uri: &Url, diags: &Vec<Diagnostic>) -> Vec<lsp_types::CodeActionOrCommand> {
     let mut code_actions: Vec<lsp_types::CodeActionOrCommand> = vec![];
@@ -11,7 +12,30 @@ pub(crate) fn quick_fix(uri: &Url, diags: &Vec<Diagnostic>) -> Vec<lsp_types::Co
         if let Some(code) = &diag.code {
             if let Some(id) = conver_code_to_kcl_diag_id(code) {
                 match id {
-                    DiagnosticId::Error(_) => continue,
+                    DiagnosticId::Error(error) => match error {
+                        ErrorKind::CompileError => {
+                            let replacement_text = extract_suggested_replacements(&diag.data).unwrap_or_else(|| "".to_string());
+                            let mut changes = HashMap::new();
+                            changes.insert(
+                                uri.clone(),
+                                vec![TextEdit {
+                                    range: diag.range,
+                                    new_text: replacement_text,
+                                }],
+                            );
+                            code_actions.push(CodeActionOrCommand::CodeAction(CodeAction {
+                                title: ErrorKind::CompileError.name(),
+                                kind: Some(CodeActionKind::QUICKFIX),
+                                diagnostics: Some(vec![diag.clone()]),
+                                edit: Some(lsp_types::WorkspaceEdit {
+                                    changes: Some(changes),
+                                    ..Default::default()
+                                }),
+                                ..Default::default()
+                            }))
+                        }
+                        _ => continue,
+                    },
                     DiagnosticId::Warning(warn) => match warn {
                         WarningKind::UnusedImportWarning => {
                             let mut changes = HashMap::new();
@@ -63,6 +87,23 @@ pub(crate) fn quick_fix(uri: &Url, diags: &Vec<Diagnostic>) -> Vec<lsp_types::Co
     code_actions
 }
 
+fn extract_suggested_replacements(data: &Option<Value>) -> Option<String> {
+    data.as_ref().and_then(|data| {
+        match data {
+            Value::Object(obj) => {
+                obj.get("suggested_replacements").and_then(|val| {
+                    match val {
+                        Value::String(s) => Some(s.clone()),
+                        Value::Array(arr) if !arr.is_empty() => arr.iter().filter_map(|v| v.as_str()).next().map(String::from),
+                        _ => None,
+                    }
+                })
+            },
+            _ => None,
+        }
+    })
+}
+
 pub(crate) fn conver_code_to_kcl_diag_id(code: &NumberOrString) -> Option<DiagnosticId> {
     match code {
         NumberOrString::Number(_) => None,
@@ -70,6 +111,7 @@ pub(crate) fn conver_code_to_kcl_diag_id(code: &NumberOrString) -> Option<Diagno
             "CompilerWarning" => Some(DiagnosticId::Warning(WarningKind::CompilerWarning)),
             "UnusedImportWarning" => Some(DiagnosticId::Warning(WarningKind::UnusedImportWarning)),
             "ReimportWarning" => Some(DiagnosticId::Warning(WarningKind::ReimportWarning)),
+            "CompileError" => Some(DiagnosticId::Error(ErrorKind::CompileError)),
             "ImportPositionWarning" => {
                 Some(DiagnosticId::Warning(WarningKind::ImportPositionWarning))
             }
diff --git a/kclvm/tools/src/LSP/src/to_lsp.rs b/kclvm/tools/src/LSP/src/to_lsp.rs
index 87e8336d4..d13778ff8 100644
--- a/kclvm/tools/src/LSP/src/to_lsp.rs
+++ b/kclvm/tools/src/LSP/src/to_lsp.rs
@@ -97,12 +97,22 @@ pub fn kcl_diag_to_lsp_diags(diag: &KCLDiagnostic, file_name: &str) -> Vec<Diagn
             } else {
                 None
             };
-            diags.push(kcl_msg_to_lsp_diags(
+            
+            let data = diag.data.clone();
+
+            let lsp_diag = kcl_msg_to_lsp_diags(
                 msg,
                 kcl_err_level_to_severity(diag.level),
                 related_msg,
                 code,
-            ))
+            );
+
+            let lsp_diag_with_data = Diagnostic {
+                data,
+                ..lsp_diag
+            };
+
+            diags.push(lsp_diag_with_data);
         }
     }
     diags