diff --git a/src/Commands/Branches.cs b/src/Commands/Branches.cs
index 88e767b3..8dfdfae1 100644
--- a/src/Commands/Branches.cs
+++ b/src/Commands/Branches.cs
@@ -9,8 +9,7 @@ namespace SourceGit.Commands {
     public class Branches : Command {
         private static readonly string PREFIX_LOCAL = "refs/heads/";
         private static readonly string PREFIX_REMOTE = "refs/remotes/";
-        private static readonly string CMD = "branch -l --all -v --format=\"$%(refname)$%(objectname)$%(HEAD)$%(upstream)$%(upstream:track)$%(contents:subject)\"";
-        private static readonly Regex REG_FORMAT = new Regex(@"\$(.*)\$(.*)\$([\* ])\$(.*)\$(.*?)\$(.*)");
+        private static readonly string CMD = "branch -l --all -v --format=\"%(refname)$%(objectname)$%(HEAD)$%(upstream)$%(upstream:track)\"";
         private static readonly Regex REG_AHEAD = new Regex(@"ahead (\d+)");
         private static readonly Regex REG_BEHIND = new Regex(@"behind (\d+)");
 
@@ -27,11 +26,11 @@ namespace SourceGit.Commands {
         }
 
         public override void OnReadline(string line) {
-            var match = REG_FORMAT.Match(line);
-            if (!match.Success) return;
+            var parts = line.Split('$');
+            if (parts.Length != 5) return;
 
             var branch = new Models.Branch();
-            var refName = match.Groups[1].Value;
+            var refName = parts[0];
             if (refName.EndsWith("/HEAD")) return;
 
             if (refName.StartsWith(PREFIX_LOCAL, StringComparison.Ordinal)) {
@@ -51,11 +50,10 @@ namespace SourceGit.Commands {
             }
 
             branch.FullName = refName;
-            branch.Head = match.Groups[2].Value;
-            branch.IsCurrent = match.Groups[3].Value == "*";
-            branch.Upstream = match.Groups[4].Value;
-            branch.UpstreamTrackStatus = ParseTrackStatus(match.Groups[5].Value);
-            branch.HeadSubject = match.Groups[6].Value;
+            branch.Head = parts[1];
+            branch.IsCurrent = parts[2] == "*";
+            branch.Upstream = parts[3];
+            branch.UpstreamTrackStatus = ParseTrackStatus(parts[4]);
 
             loaded.Add(branch);
         }
diff --git a/src/Commands/Command.cs b/src/Commands/Command.cs
index 3c22903b..96f18c3f 100644
--- a/src/Commands/Command.cs
+++ b/src/Commands/Command.cs
@@ -17,6 +17,7 @@ namespace SourceGit.Commands {
     ///     命令接口
     /// </summary>
     public class Command {
+        private static readonly Regex PROGRESS_REG = new Regex(@"\d+%");
 
         /// <summary>
         ///     读取全部输出时的结果
@@ -68,7 +69,6 @@ namespace SourceGit.Commands {
 
             if (!string.IsNullOrEmpty(Cwd)) start.WorkingDirectory = Cwd;
 
-            var progressFilter = new Regex(@"\s\d+%\s");
             var errs = new List<string>();
             var proc = new Process() { StartInfo = start };
             var isCancelled = false;
@@ -97,8 +97,12 @@ namespace SourceGit.Commands {
                 if (string.IsNullOrEmpty(e.Data)) return;
                 if (TraitErrorAsOutput) OnReadline(e.Data);
 
-                if (progressFilter.IsMatch(e.Data)) return;
+                // 错误信息中忽略进度相关的输出
+                if (e.Data.StartsWith("remote: Enumerating objects:", StringComparison.Ordinal)) return;
                 if (e.Data.StartsWith("remote: Counting objects:", StringComparison.Ordinal)) return;
+                if (e.Data.StartsWith("remote: Compressing objects:", StringComparison.Ordinal)) return;
+                if (e.Data.StartsWith("Filtering content:", StringComparison.Ordinal)) return;
+                if (PROGRESS_REG.IsMatch(e.Data)) return;
                 errs.Add(e.Data);
             };
 
diff --git a/src/Commands/Commits.cs b/src/Commands/Commits.cs
index b1b4c28f..f70528db 100644
--- a/src/Commands/Commits.cs
+++ b/src/Commands/Commits.cs
@@ -77,13 +77,13 @@ namespace SourceGit.Commands {
             } else if (line.StartsWith("author ", StringComparison.Ordinal)) {
                 Models.User user = Models.User.Invalid;
                 ulong time = 0;
-                Models.Commit.ParseUserAndTime(line, ref user, ref time);
+                Models.Commit.ParseUserAndTime(line.Substring(7), ref user, ref time);
                 current.Author = user;
                 current.AuthorTime = time;
             } else if (line.StartsWith("committer ", StringComparison.Ordinal)) {
                 Models.User user = Models.User.Invalid;
                 ulong time = 0;
-                Models.Commit.ParseUserAndTime(line, ref user, ref time);
+                Models.Commit.ParseUserAndTime(line.Substring(10), ref user, ref time);
                 current.Committer = user;
                 current.CommitterTime = time;
             } else if (string.IsNullOrEmpty(current.Subject)) {
diff --git a/src/Commands/Stashes.cs b/src/Commands/Stashes.cs
index 3e7d9713..5668ff64 100644
--- a/src/Commands/Stashes.cs
+++ b/src/Commands/Stashes.cs
@@ -39,7 +39,7 @@ namespace SourceGit.Commands {
             } else if (line.StartsWith("author ", StringComparison.Ordinal)) {
                 Models.User user = Models.User.Invalid;
                 ulong time = 0;
-                Models.Commit.ParseUserAndTime(line, ref user, ref time);
+                Models.Commit.ParseUserAndTime(line.Substring(7), ref user, ref time);
                 current.Author = user;
                 current.Time = time;
             }
diff --git a/src/Commands/Tags.cs b/src/Commands/Tags.cs
index f534c7b2..738c86db 100644
--- a/src/Commands/Tags.cs
+++ b/src/Commands/Tags.cs
@@ -1,5 +1,5 @@
+using System;
 using System.Collections.Generic;
-using System.Text.RegularExpressions;
 
 namespace SourceGit.Commands {
     /// <summary>
@@ -7,8 +7,6 @@ namespace SourceGit.Commands {
     /// </summary>
     public class Tags : Command {
         public static readonly string CMD = "for-each-ref --sort=-creatordate --format=\"$%(refname:short)$%(objectname)$%(*objectname)\" refs/tags";
-        public static readonly Regex REG_FORMAT = new Regex(@"\$(.*)\$(.*)\$(.*)");
-
         private List<Models.Tag> loaded = new List<Models.Tag>();
 
         public Tags(string path) {
@@ -22,22 +20,16 @@ namespace SourceGit.Commands {
         }
 
         public override void OnReadline(string line) {
-            var match = REG_FORMAT.Match(line);
-            if (!match.Success) return;
-
-            var name = match.Groups[1].Value;
-            var commit = match.Groups[2].Value;
-            var dereference = match.Groups[3].Value;
-
-            if (string.IsNullOrEmpty(dereference)) {
+            var subs = line.Split(new char[] { '$' }, StringSplitOptions.RemoveEmptyEntries);
+            if (subs.Length == 2) {
                 loaded.Add(new Models.Tag() {
-                    Name = name,
-                    SHA = commit,
+                    Name = subs[0],
+                    SHA = subs[1],
                 });
-            } else {
+            } else if (subs.Length == 3) {
                 loaded.Add(new Models.Tag() {
-                    Name = name,
-                    SHA = dereference,
+                    Name = subs[0],
+                    SHA = subs[2],
                 });
             }
         }
diff --git a/src/Models/Branch.cs b/src/Models/Branch.cs
index f6d63b50..9f88c4c8 100644
--- a/src/Models/Branch.cs
+++ b/src/Models/Branch.cs
@@ -6,7 +6,6 @@ namespace SourceGit.Models {
         public string Name { get; set; }
         public string FullName { get; set; }
         public string Head { get; set; }
-        public string HeadSubject { get; set; }
         public bool IsLocal { get; set; }
         public bool IsCurrent { get; set; }
         public string Upstream { get; set; }
diff --git a/src/Models/Commit.cs b/src/Models/Commit.cs
index ed60faae..141f6b9e 100644
--- a/src/Models/Commit.cs
+++ b/src/Models/Commit.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Text.RegularExpressions;
 using System.Windows;
 
 namespace SourceGit.Models {
@@ -8,7 +7,6 @@ namespace SourceGit.Models {
     ///     提交记录
     /// </summary>
     public class Commit {
-        private static readonly Regex REG_USER_FORMAT = new Regex(@"\w+ (.*) <(.*)> (\d{10}) [\+\-]\d+");
         private static readonly DateTime UTC_START = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).ToLocalTime();
 
         public string SHA { get; set; } = string.Empty;
@@ -31,11 +29,12 @@ namespace SourceGit.Models {
         public string CommitterTimeShortStr => UTC_START.AddSeconds(CommitterTime).ToString("yyyy/MM/dd");
 
         public static void ParseUserAndTime(string data, ref User user, ref ulong time) {
-            var match = REG_USER_FORMAT.Match(data);
-            if (!match.Success) return;
+            var userEndIdx = data.IndexOf('>');
+            if (userEndIdx < 0) return;
 
-            user = User.FindOrAdd(match.Groups[1].Value, match.Groups[2].Value);
-            time = ulong.Parse(match.Groups[3].Value);
+            var timeEndIdx = data.IndexOf(' ', userEndIdx + 2);
+            user = User.FindOrAdd(data.Substring(0, userEndIdx));
+            time = timeEndIdx < 0 ? 0 : ulong.Parse(data.Substring(userEndIdx + 2, timeEndIdx - userEndIdx - 2));
         }
     }
 }
diff --git a/src/Models/User.cs b/src/Models/User.cs
index bc3aeb3d..9af6bdcf 100644
--- a/src/Models/User.cs
+++ b/src/Models/User.cs
@@ -22,13 +22,16 @@ namespace SourceGit.Models {
             return base.GetHashCode();
         }
 
-        public static User FindOrAdd(string name, string email) {
-            string key = $"{name}#&#{email}";
-            if (Caches.ContainsKey(key)) {
-                return Caches[key];
+        public static User FindOrAdd(string data) {
+            if (Caches.ContainsKey(data)) {
+                return Caches[data];
             } else {
+                var nameEndIdx = data.IndexOf('<');
+                var name = nameEndIdx >= 2 ? data.Substring(0, nameEndIdx - 1) : string.Empty;
+                var email = data.Substring(nameEndIdx + 1);
+
                 User user = new User() { Name = name, Email = email };
-                Caches.Add(key, user);
+                Caches.Add(data, user);
                 return user;
             }
         }