diff --git a/config/client.toml b/config/client.toml
index 7219f28b12fa524a1c7f985fd7d79b7929c9a75a..23fa22b597c7428af7d84df61afb9d7b28cf5f6c 100644
--- a/config/client.toml
+++ b/config/client.toml
@@ -1,12 +1,12 @@
-working_dir = "/Users/tommylike/Work/codes/rust-projects/signatrust/.data/tempdir"
+working_dir = "/Users/tommylike/Work/codes/rust-projects/gitee-signatrust/signatrust/.data/tempdir"
 worker_threads = 8
 buffer_size = 20480
 # consider the memory consumption if number bumped since all binaries will be stored in memory
 max_concurrency = 100
 [server]
 domain_name = "signatrust.test.osinfra.cn"
-tls_cert = "/Users/tommylike/Work/codes/rust-projects/gitee-signatrust/signatrust/.data/certs/client/server.crt"
-tls_key = "/Users/tommylike/Work/codes/rust-projects/gitee-signatrust/signatrust/.data/certs/client/server.key"
+#tls_cert = "/Users/tommylike/Work/codes/rust-projects/gitee-signatrust/signatrust/.data/certs/client/server.crt"
+#tls_key = "/Users/tommylike/Work/codes/rust-projects/gitee-signatrust/signatrust/.data/certs/client/server.key"
 type = "single"
 server_address = "0.0.0.0"
 server_port = "8088"
diff --git a/config/server.toml b/config/server.toml
index b56f092a290bccbf2cdf5936702041670e250db9..065da47677f7c2dd7c035d1d15a77201719fd694 100644
--- a/config/server.toml
+++ b/config/server.toml
@@ -1,7 +1,7 @@
 name = "application"
-tls_cert = "/Users/tommylike/Work/codes/rust-projects/signatrust/.data/certs/server/server.crt"
-tls_key = "/Users/tommylike/Work/codes/rust-projects/signatrust/.data/certs/server/server.key"
-ca_root = "/Users/tommylike/Work/codes/rust-projects/signatrust/.data/certs/server/ca_root.pem"
+#tls_cert = "/Users/tommylike/Work/codes/rust-projects/gitee-signatrust/signatrust/.data/certs/server/server.crt"
+#tls_key = "/Users/tommylike/Work/codes/rust-projects/gitee-signatrust/signatrust/.data/certs/server/server.key"
+#ca_root = "/Users/tommylike/Work/codes/rust-projects/gitee-signatrust/signatrust/.data/certs/server/ca_root.pem"
 [data-server]
 server_ip = "0.0.0.0"
 server_port = "8088"
diff --git a/src/client/cmd/add.rs b/src/client/cmd/add.rs
index 1e057696673e1dc81da1d04b8414a2bd246ea275..6e465bc7adfc8a46437ada67e54477d8e70da87a 100644
--- a/src/client/cmd/add.rs
+++ b/src/client/cmd/add.rs
@@ -142,14 +142,31 @@ impl CommandAddHandler {
                 }
             }
             return Ok(container);
-        } else if self.file_candidates(self.path.extension().unwrap().to_str().unwrap())? {
-            return Ok(vec![sign_identity::SignIdentity::new(
-                self.file_type.clone(),
-                self.path.clone(),
-                self.key_type.clone(),
-                self.key_name.clone(),
-                self.get_sign_options(),
-            )]);
+        } else {
+            match self.path.extension() {
+                Some(extension) => {
+                    if self.file_candidates(extension.to_str().unwrap()).is_ok() {
+                        return Ok(vec![sign_identity::SignIdentity::new(
+                            self.file_type.clone(),
+                            self.path.clone(),
+                            self.key_type.clone(),
+                            self.key_name.clone(),
+                            self.get_sign_options(),
+                        )]);
+                    }
+                }
+                None => {
+                    if self.file_candidates("").is_ok() {
+                        return Ok(vec![sign_identity::SignIdentity::new(
+                            self.file_type.clone(),
+                            self.path.clone(),
+                            self.key_type.clone(),
+                            self.key_name.clone(),
+                            self.get_sign_options(),
+                        )]);
+                    }
+                }
+            }
         }
         Err(error::Error::NoFileCandidateError)
     }