diff --git a/src/core/cache_storage.rs b/src/core/cache_storage.rs
index 419b578..48a1925 100644
--- a/src/core/cache_storage.rs
+++ b/src/core/cache_storage.rs
@@ -1,9 +1,10 @@
-use std::{collections::HashMap, fs::{self}, hash::{DefaultHasher, Hash, Hasher}, path::PathBuf, sync::{Arc, RwLock}};
+use std::{collections::HashMap, fs::{self}, hash::{DefaultHasher, Hash, Hasher}, path::PathBuf, str::FromStr, sync::{Arc, RwLock}};
 
 use log::info;
 use serde::{Deserialize, Serialize};
+use tower_lsp::lsp_types::Url;
 
-use crate::utils::{file_size_in_kb, get_last_modified_time, k_deserialize, k_serialize};
+use crate::utils::{file_size_in_kb, get_last_modified_time, k_deserialize, k_serialize, to_escape_path};
 
 use super::hdlparam::FastHdlparam;
 
@@ -59,7 +60,17 @@ impl CacheManager {
         }
     }
 
-    pub fn is_big_file(&self, path: &PathBuf) -> bool {
+    pub fn is_big_file(path: &PathBuf) -> bool {
+        if let Ok(size) = file_size_in_kb(path.to_str().unwrap()) {
+            return size >= 1024;
+        }
+
+        false
+    }
+
+    pub fn uri_is_big_file(uri: &Url) -> bool {
+        let path = PathBuf::from_str(uri.path()).unwrap();
+        let path = to_escape_path(&path);
         if let Ok(size) = file_size_in_kb(path.to_str().unwrap()) {
             return size >= 1024;
         }
@@ -83,7 +94,7 @@ impl CacheManager {
     /// * 如果本来就没有缓存
     /// * 缓冲的 version 对不上
     pub fn try_get_fast_cache(&self, path: &PathBuf) -> CacheResult<FastHdlparam> {
-        if !self.is_big_file(path) {
+        if !CacheManager::is_big_file(path) {
             return CacheResult::NotNeedCache
         }
         let path_string = path.to_str().unwrap();
diff --git a/src/core/hdlparam.rs b/src/core/hdlparam.rs
index e621af2..b04ca8a 100644
--- a/src/core/hdlparam.rs
+++ b/src/core/hdlparam.rs
@@ -171,6 +171,31 @@ impl Port {
             port_desc_array.push(self.width.to_string());
         }
     
+        port_desc_array.push(self.name.to_string());
+        let port_desc = port_desc_array.join(" ");
+        port_desc
+    }
+    pub fn vhdl_to_vlog_description(&self) -> String {
+        let mut port_desc_array = Vec::<String>::new();
+        let dir_type = match self.dir_type.as_str() {
+            "in" => "input",
+            "out" => "output",
+            _ => &self.dir_type
+        };
+
+        port_desc_array.push(dir_type.to_string());
+        if self.net_type != "unknown" {
+            port_desc_array.push(self.net_type.to_string());
+        }
+    
+        if self.signed != "unsigned" {
+            port_desc_array.push("signed".to_string());
+        }
+    
+        if self.width != "1" {
+            port_desc_array.push(self.width.to_string());
+        }
+    
         port_desc_array.push(self.name.to_string());
         let port_desc = port_desc_array.join(" ");
         port_desc
diff --git a/src/definition/feature.rs b/src/definition/feature.rs
index cdd5b1a..e640637 100644
--- a/src/definition/feature.rs
+++ b/src/definition/feature.rs
@@ -207,6 +207,8 @@ pub fn goto_module_declaration_definition(
     token_name: &str 
 ) -> Option<GotoDefinitionResponse> {
     let hdl_param = server.srcs.hdl_param.clone();
+    info!("get into goto_module_declaration_definition");
+
     if let Some((module, file_type, def_path)) = hdl_param.find_module_context_by_name(token_name) {
         match file_type.as_str() {
             "common" => {
@@ -280,6 +282,7 @@ fn goto_ip_module_declaration_definition(
         let target_uri = Url::from_file_path(PathBuf::from_str(&def_path).unwrap()).unwrap();
         
         let target_range = module.range.clone();
+        info!("target range: {:?}", target_range);
         let target_range = target_range.to_lsp_range();
         
         let link = vec![LocationLink {
diff --git a/src/hover/feature.rs b/src/hover/feature.rs
index 9226287..643fe37 100644
--- a/src/hover/feature.rs
+++ b/src/hover/feature.rs
@@ -433,6 +433,8 @@ fn hover_ip_module_declaration(
     
     if def_path_buf.exists() {
         // TODO: 当前工具链只支持 Xilinx 下的工具链，所以此处的代码是 vhdl 的代码
+        // 如果未来需要支持其他的工具链，则需要从 server 下读取对应的变量
+
         let path_uri = Url::from_file_path(def_path.to_string()).unwrap().to_string();
         let def_row = module.range.start.line;
         let def_col = module.range.start.character;
@@ -467,7 +469,7 @@ fn hover_ip_module_declaration(
         markdowns.push(MarkedString::String("---".to_string()));
     
         let language_id = get_language_id_by_path_str(def_path);
-        let module_profile = make_module_profile_code(&module);
+        let module_profile = make_entity_profile_code(&module);
         let profile_markdown = LanguageString {
             language: language_id.to_string(),
             value: module_profile
@@ -596,11 +598,109 @@ pub fn make_module_profile_code(module: &crate::core::hdlparam::Module) -> Strin
                 codes.push(format!("\t{port_desc},"));
             }
         }
-        codes.push(format!(")"));
-    } else {
-        codes.push(format!(")"));
     }
+    
+    codes.push(format!(");"));
 
     let profile_string = codes.join("\n");
     profile_string
-}
\ No newline at end of file
+}
+
+
+/// vhdl 的 entity 的 profile
+pub fn make_entity_profile_code(module: &crate::core::hdlparam::Module) -> String {
+    let mut codes = Vec::<String>::new();
+    // param 其实就是 generic
+    let param_num = module.params.len();
+    let port_num = module.ports.len();  
+    
+    codes.push(format!("entity {} is", module.name));
+    // 缩进字符    
+    if module.params.len() > 0 {
+        codes.push("\tgeneric (".to_string());
+        let max_param_name_length = module.params.iter().map(|param| param.name.len()).max().unwrap_or(0);
+        let max_param_type_length = module.params.iter().map(|param| param.net_type.len()).max().unwrap_or(0);
+        
+        for (i, param) in module.params.iter().enumerate() {
+            let mut param_desc_array = Vec::<String>::new();
+            let param_name_align_spaces = " ".repeat(max_param_name_length - param.name.len() + 1);
+            param_desc_array.push(format!("{}{}:", param.name, param_name_align_spaces));
+
+            let param_type_align_spaces = " ".repeat(max_param_type_length - param.net_type.len() + 1);
+            param_desc_array.push(format!("{}{}", param.net_type, param_type_align_spaces));
+            
+            if param.init != "unknown" {
+                param_desc_array.push(format!(":= {}", param.init.to_string()));
+            }
+            
+            let param_desc = param_desc_array.join(" ");
+            if i == param_num - 1 {
+                codes.push(format!("\t\t{param_desc}"));
+            } else {
+                codes.push(format!("\t\t{param_desc};"));
+            }
+        }
+        codes.push("\t);".to_string());
+    }
+    
+    if module.ports.len() > 0 {
+        codes.push("\tport (".to_string());
+
+        let net_mapper = |net_type: &str| {
+            if net_type == "unknown" {
+                0
+            } else {
+                net_type.len()
+            }
+        };
+
+        let width_mapper = |width: &str| {
+            if width == "1" {
+                0
+            } else {
+                width.len() + 5
+            }
+        };
+
+        let max_port_length = module.ports.iter().map(|port| port.name.len()).max().unwrap_or(0);
+        let max_net_length = module.ports.iter().map(|port| net_mapper(&port.net_type)).max().unwrap_or(0);
+        // let max_width_length = module.ports.iter().map(|port| width_mapper(&port.width)).max().unwrap_or(0);
+        let max_dir_length = module.ports.iter().map(|port| port.dir_type.len()).max().unwrap_or(0);
+        
+        for (i, port) in module.ports.iter().enumerate() {
+            let mut port_desc_array = Vec::<String>::new();
+
+            // port 的名字
+            let port_name_align_spaces = " ".repeat(max_port_length - port.name.len() + 1);
+            port_desc_array.push(format!("{}{}: ", port.name, port_name_align_spaces));
+
+            // in, out, inout
+            let port_dir_align_spaces = " ".repeat(max_dir_length - port.dir_type.len() + 1);
+            port_desc_array.push(format!("{}{}", port.dir_type, port_dir_align_spaces));
+
+            // std_logic, signed, unsigned 等等 
+            if port.net_type != "unknown" {
+                port_desc_array.push(port.net_type.to_string());
+            }
+
+            // (57 downto 0)
+            if port.width != "1" {
+                // 内部的 width 统一表示成 [57:0] 这样的格式，需要转换一下
+                let width_string = port.width.replace("[", "(").replace("]", ")").replace(":", " downto ");
+                port_desc_array.push(width_string);
+            }
+            let port_desc = port_desc_array.join("");
+            if i == port_num - 1 {
+                codes.push(format!("\t\t{port_desc}"));
+            } else {
+                codes.push(format!("\t\t{port_desc};"));
+            }
+        }
+        codes.push("\t);".to_string());
+    }
+
+    codes.push(format!("end entity {};", module.name));
+
+    let profile_string = codes.join("\n");
+    profile_string
+}
diff --git a/src/inlay_hint/sv.rs b/src/inlay_hint/sv.rs
index a4b746f..8cc14e8 100644
--- a/src/inlay_hint/sv.rs
+++ b/src/inlay_hint/sv.rs
@@ -6,7 +6,7 @@ use log::info;
 use ropey::Rope;
 use tower_lsp::lsp_types::*;
 
-use super::to_escape_path;
+use super::{get_language_id_by_path_str, to_escape_path};
 
 pub fn inlay_hint(server: &LSPServer, params: &InlayHintParams) -> Option<Vec<InlayHint>> {
     let uri = &params.text_document.uri;
@@ -95,7 +95,6 @@ fn find_instport_inlay_hints_position(
     let end_offset = position_to_index(rope, range.end);
     let instport_text = rope.slice(start_offset .. end_offset);
     let instport_text = instport_text.to_string();
-    info!("{:?}", instport_text);
 
     if let Some(offset) = instport_text.find("(") {
         let target_offset = start_offset + offset + 1;
@@ -112,12 +111,13 @@ fn make_instport_hints(
     instance: &core::hdlparam::Instance,
     rope: &Rope
 ) -> Vec<InlayHint> {
+    let hdl_param = server.srcs.hdl_param.clone();
     let mut hints = Vec::<InlayHint>::new();
-    let define_module = server.srcs.hdl_param.find_module_by_name(&instance.inst_type);
-    if define_module.is_none() {
+    let module_context = hdl_param.find_module_context_by_name(&instance.inst_type);
+    if module_context.is_none() {
         return hints;
     }
-    let define_module = define_module.unwrap();
+    let (define_module, file_type, def_path) = module_context.unwrap();
     // 制作 port name 到 port 的映射
     let mut port_map = HashMap::<String, &core::hdlparam::Port>::new();
     for port in &define_module.ports {
@@ -132,15 +132,18 @@ fn make_instport_hints(
         }
         let port_info = port.unwrap();
         let instport_range = port_assigment.range.to_lsp_range();
-        info!("inst name: {:?}, range: {:?}", instance.name, instport_range);
         if let Some(hint_position) = find_instport_inlay_hints_position(rope, &instport_range) {
-            let port_desc = MarkupContent {
-                kind: MarkupKind::Markdown,
-                value: format!("```verilog\n{}\n```", port_info.to_description())
-            };
 
             let label = {
                 let dir_type = port_info.dir_type.to_string();
+
+                // vhdl 转成 verilog
+                let dir_type = match dir_type.as_str() {
+                    "out" => "output",
+                    "in" => "input",
+                    _ => &dir_type
+                };
+
                 if dir_type == "output" {
                     format!("{}", dir_type)
                 } else {
@@ -148,6 +151,28 @@ fn make_instport_hints(
                 }
             };
 
+            let language_id = get_language_id_by_path_str(&def_path);
+
+            let port_desc_value = match file_type.as_str() {
+                "common" => {
+                    format!("```{}\n{}\n```", language_id, port_info.to_description())
+                }
+                "ip" => {
+                    // TODO: 支持更多的 IP
+                    format!("```verilog\n{}\n```", port_info.vhdl_to_vlog_description())
+                }
+                "primitives" => {
+                    format!("```{}\n{}\n```", language_id, port_info.to_description())
+                }
+                _ => {
+                    format!("```{}\n{}\n```", language_id, port_info.to_description())
+                }
+            };
+
+            let port_desc = MarkupContent {
+                kind: MarkupKind::Markdown,
+                value: port_desc_value
+            };
 
             let hint = InlayHint {
                 position: hint_position,
diff --git a/src/request/mod.rs b/src/request/mod.rs
index bfe0256..1dd793f 100644
--- a/src/request/mod.rs
+++ b/src/request/mod.rs
@@ -255,6 +255,23 @@ fn do_vhdl_fast(
                     };
                     hdl_param.update_fast(path.to_string(), ip_fast.clone());
                     return Ok(ip_fast);
+                } else if let Some(design_file) = vhdl_parse(&pathbuf) {
+                    if let Some(mut fast) = make_fast_from_design_file(&design_file) {
+                        fast.file_type = file_type.to_string();
+                        // IP 不需要内部的 instance，其实现是加密的，只需要暴露 module 的接口即可
+                        // 所以此处需要清空所有的 module 中的 instance
+                        for module in &mut fast.content {
+                            module.instances.clear();
+                        }
+                        hdl_param.update_fast(path.to_string(), fast.clone());
+                        return Ok(fast);
+                    }
+                } else {
+                    return Err(tower_lsp::jsonrpc::Error {
+                        code: tower_lsp::jsonrpc::ErrorCode::ParseError,
+                        message: Cow::Owned(format!("error happen when parse {path} in [do_vhdl_fast]")),
+                        data: None
+                    });
                 }
             },
             _ => {}
@@ -264,9 +281,6 @@ fn do_vhdl_fast(
     // 没有特殊情况，则正常解析并写入
     if let Some(design_file) = vhdl_parse(&pathbuf) {
         if let Some(mut fast) = make_fast_from_design_file(&design_file) {
-            if path.contains("ip") {
-                info!("vhdl fast: {:?}", fast);
-            }
             fast.file_type = file_type.to_string();
             hdl_param.update_fast(path.to_string(), fast.clone());
             return Ok(fast);
diff --git a/src/server.rs b/src/server.rs
index 52b21d2..3cf7d9d 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -69,29 +69,15 @@ pub enum LogLevel {
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(default)]
 pub struct ProjectConfig {
-    // if true, recursively search the working directory for files to run diagnostics on
-    pub auto_search_workdir: bool,
-    // list of directories with header files
-    pub include_dirs: Vec<String>,
-    // list of directories to recursively search for SystemVerilog/Verilog sources
-    pub source_dirs: Vec<String>,
-    // config options for verible tools
-    pub verible: Verible,
-    // config options for verilator tools
-    pub verilator: Verilator,
-    // log level
-    pub log_level: LogLevel,
+    pub workspace_folder: Option<Url>,
+    pub tool_chain: String
 }
 
 impl Default for ProjectConfig {
     fn default() -> Self {
         ProjectConfig {
-            auto_search_workdir: true,
-            include_dirs: Vec::new(),
-            source_dirs: Vec::new(),
-            verible: Verible::default(),
-            verilator: Verilator::default(),
-            log_level: LogLevel::Info,
+            workspace_folder: None,
+            tool_chain: "xilinx".to_string()
         }
     }
 }
@@ -170,15 +156,23 @@ impl Default for VeribleFormat {
 
 #[tower_lsp::async_trait]
 impl LanguageServer for Backend {
-    async fn initialize(&self, _: InitializeParams) -> Result<InitializeResult> {
-        self.server.srcs.init();
-
+    async fn initialize(&self, params: InitializeParams) -> Result<InitializeResult> {
         // 申明 LSP 的基本信息和提供的能力
         let server_info = Some(ServerInfo {
             name: "Digital IDE 专用 LSP 后端服务器".to_string(),
             version: Some("0.4.0".to_string())
         });
 
+        let root_uri = &params.root_uri;
+        if root_uri.is_none() {
+            self.client.show_message(MessageType::ERROR, "LSP 启动失败，原因: 没有找到启动的 workspaceFolder").await;
+            return Ok(InitializeResult::default());
+        }
+
+        let mut configure = self.server.conf.write().unwrap();
+        configure.workspace_folder = root_uri.clone();
+        info!("当前客户端配置 workspaceFolder: {:?}", params.root_uri);
+
         let text_document_sync = TextDocumentSyncCapability::Options(
             TextDocumentSyncOptions {
                 open_close: Some(true),
@@ -239,18 +233,30 @@ impl LanguageServer for Backend {
     }
 
     async fn did_open(&self, params: DidOpenTextDocumentParams) {
-        let diagnostics = self.server.did_open(params);
-        self.client
-            .publish_diagnostics(
-                diagnostics.uri,
-                diagnostics.diagnostics,
-                diagnostics.version,
-            )
-            .await;
+        // // 如果文件太大则显示错误
+        // if CacheManager::uri_is_big_file(&params.text_document.uri) {
+        //     self.client.show_message(MessageType::WARNING, "考虑到性能问题，对于大于 1MB 的文件不会主动提供语言服务")
+        //     .await;
+        // } else {
+            let diagnostics = self.server.did_open(params);        
+            self.client
+                .publish_diagnostics(
+                    diagnostics.uri,
+                    diagnostics.diagnostics,
+                    diagnostics.version,
+                )
+                .await;
+        // }
     }
     
     async fn did_change(&self, params: DidChangeTextDocumentParams) {
-        self.server.did_change(params);
+        // // 如果文件太大则显示错误
+        // if CacheManager::uri_is_big_file(&params.text_document.uri) {
+        //     // self.client.show_message(MessageType::WARNING, "考虑到性能问题，对于大于 1MB 的文件不会主动提供语言服务")
+        //     // .await;
+        // } else {
+            self.server.did_change(params);
+        // }
     }
 
     async fn did_delete_files(&self, params: DeleteFilesParams) {
@@ -258,14 +264,18 @@ impl LanguageServer for Backend {
     }
 
     async fn did_save(&self, params: DidSaveTextDocumentParams) {
-        let diagnostics = self.server.did_save(params);
-        self.client
-            .publish_diagnostics(
-                diagnostics.uri,
-                diagnostics.diagnostics,
-                diagnostics.version,
-            )
-            .await;
+        // if CacheManager::uri_is_big_file(&params.text_document.uri) {
+
+        // } else {
+            let diagnostics = self.server.did_save(params);
+            self.client
+                .publish_diagnostics(
+                    diagnostics.uri,
+                    diagnostics.diagnostics,
+                    diagnostics.version,
+                )
+                .await;
+        // }
     }
 
     async fn completion(&self, params: CompletionParams) -> Result<Option<CompletionResponse>> {
diff --git a/src/sources.rs b/src/sources.rs
index 5a59720..841909c 100644
--- a/src/sources.rs
+++ b/src/sources.rs
@@ -1,3 +1,4 @@
+use crate::core::cache_storage::CacheManager;
 use crate::core::hdlparam::HdlParam;
 use crate::core::sv_parser::make_fast_from_syntaxtree;
 use crate::core::vhdl_parser::make_fast_from_design_file;
@@ -237,35 +238,10 @@ impl Sources {
             fast_sync_controller: Arc::new(RwLock::new(HashMap::<String, Arc<RwLock<bool>>>::new()))
         }
     }
-    pub fn init(&self) {
-        let mut paths: Vec<PathBuf> = Vec::new();
-        for path in &*self.include_dirs.read().unwrap() {
-            paths.push(path.clone());
-        }
-        for path in &*self.source_dirs.read().unwrap() {
-            paths.push(path.clone());
-        }
-        // find and add all source/header files recursively from configured include and source directories
-        let src_paths = find_src_paths(&paths);
-
-        for path in src_paths {
-            let url = unwrap_result!(Url::from_file_path(&path));
-            let text = unwrap_result!(fs::read_to_string(&path));
-            let doc = TextDocumentItem::new(
-                url,
-                "systemverilog".to_string(),
-                -1,
-                text,
-            );
-            self.add(doc);
-        }
-    }
 
     /// 增加一个 hdl 文件，并为该文件添加单独的解析线程
     pub fn add(&self, doc: TextDocumentItem) {
-        // use a condvar to synchronize the parse thread
-        // the valid bool decides whether or not the file
-        // needs to be re-parsed
+        // 对于当前的文件增加一个解析线程，不断进行解析和同步
         #[allow(clippy::mutex_atomic)] // https://github.com/rust-lang/rust-clippy/issues/1516
         let valid_parse = Arc::new((Mutex::new(false), Condvar::new()));
         let valid_parse2 = valid_parse.clone();
@@ -689,8 +665,10 @@ pub fn vhdl_parser_pipeline(
         return;
     }
 
-    let mut file = source_handle.write().unwrap();
+    // TODO: 通过更加精细的方法获取下面的变量
 
+
+    let mut file = source_handle.write().unwrap();
     let mut scope_tree = if let Some(design_file) = vhdl_parse(&escape_path) {
         //let mut design_files = design_file_handle.write().unwrap();