diff --git a/libs/clipboard/src/platform/fuse.rs b/libs/clipboard/src/platform/fuse.rs
index 950dff958..c5fe60f56 100644
--- a/libs/clipboard/src/platform/fuse.rs
+++ b/libs/clipboard/src/platform/fuse.rs
@@ -795,7 +795,11 @@ impl FuseNode {
             conn_id: desc.conn_id,
             stream_id: rand::random(),
             index: inode as usize - 2,
-            name: desc.name.to_str().unwrap().to_owned(),
+            name: desc
+                .name
+                .to_str()
+                .map(|s| s.to_string())
+                .unwrap_or_default(),
             parent: None,
             attributes: InodeAttributes::from_description(inode, desc),
             children: Vec::new(),
@@ -1140,7 +1144,7 @@ mod fuse_test {
     }
 
     fn build_single_file(prefix: &str) {
-        let raw_name = "衬衫的价格为 9 镑 15 便士.txt";
+        let raw_name = "simple_test_file.txt";
         let f_name = if prefix == "" {
             raw_name.to_string()
         } else {
diff --git a/libs/clipboard/src/platform/mod.rs b/libs/clipboard/src/platform/mod.rs
index 0a2988d2c..2be4ce809 100644
--- a/libs/clipboard/src/platform/mod.rs
+++ b/libs/clipboard/src/platform/mod.rs
@@ -52,9 +52,9 @@ pub fn create_cliprdr_context(
             log::warn!("umount {:?} may fail: {:?}", mnt_path, e);
         }
 
-        let unix_ctx = unix::ClipboardContext::new(timeout, mnt_path.parse().unwrap())?;
+        let unix_ctx = unix::ClipboardContext::new(timeout, mnt_path.parse()?)?;
         log::debug!("start cliprdr FUSE");
-        unix_ctx.run().expect("failed to start cliprdr FUSE");
+        unix_ctx.run()?;
 
         Ok(Box::new(unix_ctx) as Box<_>)
     }
diff --git a/libs/clipboard/src/platform/unix/local_file.rs b/libs/clipboard/src/platform/unix/local_file.rs
index c9186c4fa..e24712efa 100644
--- a/libs/clipboard/src/platform/unix/local_file.rs
+++ b/libs/clipboard/src/platform/unix/local_file.rs
@@ -113,7 +113,7 @@ impl LocalFile {
         let win32_time = self
             .last_write_time
             .duration_since(std::time::UNIX_EPOCH)
-            .unwrap()
+            .unwrap_or_default()
             .as_nanos() as u64
             / 100
             + LDAP_EPOCH_DELTA;
@@ -188,7 +188,7 @@ impl LocalFile {
     pub fn read_exact_at(&mut self, buf: &mut [u8], offset: u64) -> Result<(), CliprdrError> {
         self.load_handle()?;
 
-        let handle = self.handle.as_mut().unwrap();
+        let handle = self.handle.as_mut()?;
 
         if offset != self.offset.load(Ordering::Relaxed) {
             handle
@@ -238,9 +238,9 @@ pub(super) fn construct_file_list(paths: &[PathBuf]) -> Result<Vec<LocalFile>, C
         })?;
 
         if mt.is_dir() {
-            let dir = std::fs::read_dir(path).unwrap();
+            let dir = std::fs::read_dir(path)?;
             for entry in dir {
-                let entry = entry.unwrap();
+                let entry = entry?;
                 let path = entry.path();
                 constr_file_lst(&path, file_list, visited)?;
             }
diff --git a/libs/clipboard/src/platform/unix/mod.rs b/libs/clipboard/src/platform/unix/mod.rs
index a58361f82..9a0861094 100644
--- a/libs/clipboard/src/platform/unix/mod.rs
+++ b/libs/clipboard/src/platform/unix/mod.rs
@@ -383,13 +383,11 @@ impl ClipboardContext {
                 let file_contents_id = fmt_lst
                     .iter()
                     .find(|(_, name)| name == FILECONTENTS_FORMAT_NAME)
-                    .map(|(id, _)| *id)
-                    .unwrap();
+                    .map(|(id, _)| *id)?;
                 let file_descriptor_id = fmt_lst
                     .iter()
                     .find(|(_, name)| name == FILEDESCRIPTORW_FORMAT_NAME)
-                    .map(|(id, _)| *id)
-                    .unwrap();
+                    .map(|(id, _)| *id)?;
 
                 add_remote_format(FILECONTENTS_FORMAT_NAME, file_contents_id);
                 add_remote_format(FILEDESCRIPTORW_FORMAT_NAME, file_descriptor_id);
diff --git a/libs/clipboard/src/platform/unix/url.rs b/libs/clipboard/src/platform/unix/url.rs
index ce97810c4..2ae520f4d 100644
--- a/libs/clipboard/src/platform/unix/url.rs
+++ b/libs/clipboard/src/platform/unix/url.rs
@@ -7,9 +7,9 @@ use crate::CliprdrError;
 // url encode and decode is needed
 const ENCODE_SET: percent_encoding::AsciiSet = percent_encoding::CONTROLS.add(b' ').remove(b'/');
 
-pub(super) fn encode_path_to_uri(path: &PathBuf) -> String {
-    let encoded = percent_encoding::percent_encode(path.to_str().unwrap().as_bytes(), &ENCODE_SET)
-        .to_string();
+pub(super) fn encode_path_to_uri(path: &PathBuf) -> io::Result<String> {
+    let encoded =
+        percent_encoding::percent_encode(path.to_str()?.as_bytes(), &ENCODE_SET).to_string();
     format!("file://{}", encoded)
 }
 
@@ -54,7 +54,7 @@ mod uri_test {
     #[test]
     fn test_conversion() {
         let path = std::path::PathBuf::from("/home/rustdesk/pictures/🖼️.png");
-        let uri = super::encode_path_to_uri(&path);
+        let uri = super::encode_path_to_uri(&path).unwrap();
         assert_eq!(
             uri,
             "file:///home/rustdesk/pictures/%F0%9F%96%BC%EF%B8%8F.png"
diff --git a/libs/clipboard/src/platform/unix/x11.rs b/libs/clipboard/src/platform/unix/x11.rs
index 4ca3a2c0b..41b642640 100644
--- a/libs/clipboard/src/platform/unix/x11.rs
+++ b/libs/clipboard/src/platform/unix/x11.rs
@@ -89,7 +89,13 @@ impl SysClipboard for X11Clipboard {
     fn set_file_list(&self, paths: &[PathBuf]) -> Result<(), CliprdrError> {
         *self.former_file_list.lock() = paths.to_vec();
 
-        let uri_list: Vec<String> = paths.iter().map(encode_path_to_uri).collect();
+        let uri_list: Vec<String> = {
+            let mut v = Vec::new();
+            for path in paths {
+                v.push(encode_path_to_uri(path)?);
+            }
+            v
+        };
         let uri_list = uri_list.join("\n");
         let text_uri_list_data = uri_list.as_bytes().to_vec();
         let gnome_copied_files_data = ["copy\n".as_bytes(), uri_list.as_bytes()].concat();
diff --git a/libs/clipboard/src/platform/windows.rs b/libs/clipboard/src/platform/windows.rs
index 1148112b5..8fc917c6f 100644
--- a/libs/clipboard/src/platform/windows.rs
+++ b/libs/clipboard/src/platform/windows.rs
@@ -5,16 +5,16 @@
 #![allow(non_snake_case)]
 #![allow(deref_nullptr)]
 
-use std::{
-    boxed::Box,
-    ffi::{CStr, CString},
-    result::Result,
-};
 use crate::{
     allow_err, send_data, ClipboardFile, CliprdrError, CliprdrServiceContext, ResultType,
     ERR_CODE_INVALID_PARAMETER, ERR_CODE_SERVER_FUNCTION_NONE, VEC_MSG_CHANNEL,
 };
 use hbb_common::log;
+use std::{
+    boxed::Box,
+    ffi::{CStr, CString},
+    result::Result,
+};
 
 // only used error code will be recorded here
 /// success
@@ -779,7 +779,7 @@ pub fn server_format_list(
                 } else {
                     let n = match CString::new(format.1) {
                         Ok(n) => n,
-                        Err(_) => CString::new("").unwrap(),
+                        Err(_) => CString::new("").unwrap_or_default(),
                     };
                     CLIPRDR_FORMAT {
                         formatId: format.0 as UINT32,
diff --git a/src/clipboard.rs b/src/clipboard.rs
index 973f948f6..9dbdfddda 100644
--- a/src/clipboard.rs
+++ b/src/clipboard.rs
@@ -60,7 +60,7 @@ fn parse_plain_uri_list(v: Vec<u8>) -> Result<String, String> {
 
 #[cfg(all(target_os = "linux", feature = "unix-file-copy-paste"))]
 impl ClipboardContext {
-    pub fn new() -> Result<Self, String> {
+    pub fn new(_listen: bool) -> Result<Self, String> {
         let clipboard = get_clipboard()?;
         let string_getter = clipboard
             .getter
@@ -95,14 +95,14 @@ impl ClipboardContext {
             .load(clip, self.string_getter, prop, TIMEOUT)
             .map_err(|e| e.to_string())?;
 
-        let file_urls = get_clipboard()?.load(clip, self.text_uri_list, prop, TIMEOUT);
+        let file_urls = get_clipboard()?.load(clip, self.text_uri_list, prop, TIMEOUT)?;
 
-        if file_urls.is_err() || file_urls.as_ref().unwrap().is_empty() {
+        if file_urls.is_err() || file_urls.as_ref().is_empty() {
             log::trace!("clipboard get text, no file urls");
             return String::from_utf8(text_content).map_err(|e| e.to_string());
         }
 
-        let file_urls = parse_plain_uri_list(file_urls.unwrap())?;
+        let file_urls = parse_plain_uri_list(file_urls)?;
 
         let text_content = String::from_utf8(text_content).map_err(|e| e.to_string())?;
 
diff --git a/src/flutter.rs b/src/flutter.rs
index 0cce2ae71..d1e44008b 100644
--- a/src/flutter.rs
+++ b/src/flutter.rs
@@ -1069,12 +1069,9 @@ impl FlutterHandler {
         // 1. "display 1" will not send the event.
         // 2. "displays 0&1" will not send the event. Because it uses texutre render for now.
         if !is_sent {
-            self.display_rgbas
-                .write()
-                .unwrap()
-                .get_mut(&display)
-                .unwrap()
-                .valid = false;
+            if let Some(rgba_data) = self.display_rgbas.write().unwrap().get_mut(&display) {
+                rgba_data.valid = false;
+            }
         }
     }
 
diff --git a/src/hbbs_http/http_client.rs b/src/hbbs_http/http_client.rs
index c4bb2452c..944e84ae6 100644
--- a/src/hbbs_http/http_client.rs
+++ b/src/hbbs_http/http_client.rs
@@ -24,14 +24,16 @@ macro_rules! configure_http_client {
                             if let Some(auth) = proxy.intercept.maybe_auth() {
                                 let basic_auth =
                                     format!("Basic {}", auth.get_basic_authorization());
-                                builder = builder.default_headers(
-                                    vec![(
-                                        reqwest::header::PROXY_AUTHORIZATION,
-                                        basic_auth.parse().unwrap(),
-                                    )]
-                                    .into_iter()
-                                    .collect(),
-                                );
+                                if let Ok(auth) = basic_auth.parse() {
+                                    builder = builder.default_headers(
+                                        vec![(
+                                            reqwest::header::PROXY_AUTHORIZATION,
+                                            auth,
+                                        )]
+                                        .into_iter()
+                                        .collect(),
+                                    );
+                                }
                             }
                             builder.build().unwrap_or_else(|e| {
                                 info!("Failed to create a proxied client: {}", e);
diff --git a/src/server.rs b/src/server.rs
index e1f5d634c..fc33188f4 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -360,7 +360,12 @@ impl Server {
         self.services
             .keys()
             .filter(|k| {
-                Self::is_video_service_name(k) && self.services.get(*k).unwrap().is_subed(conn_id)
+                Self::is_video_service_name(k)
+                    && self
+                        .services
+                        .get(*k)
+                        .map(|s| s.is_subed(conn_id))
+                        .unwrap_or(false)
             })
             .count()
     }