diff --git a/AssetStudio.GUI/ExportOptions.Designer.cs b/AssetStudio.GUI/ExportOptions.Designer.cs
index 90af953..61e88e6 100644
--- a/AssetStudio.GUI/ExportOptions.Designer.cs
+++ b/AssetStudio.GUI/ExportOptions.Designer.cs
@@ -80,8 +80,7 @@ namespace AssetStudio.GUI
             castToBone = new CheckBox();
             exportAllNodes = new CheckBox();
             eulerFilter = new CheckBox();
-            exportUvsTooltip = new ToolTip(components);
-            keyToolTip = new ToolTip(components);
+            toolTip = new ToolTip(components);
             groupBox1.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)key).BeginInit();
             panel1.SuspendLayout();
@@ -175,6 +174,7 @@ namespace AssetStudio.GUI
             texTypeComboBox.Size = new System.Drawing.Size(106, 23);
             texTypeComboBox.TabIndex = 35;
             texTypeComboBox.SelectedIndexChanged += TexTypeComboBox_SelectedIndexChanged;
+            texTypeComboBox.MouseHover += TexTypeComboBox_MouseHover;
             // 
             // uvTypesComboBox
             // 
@@ -208,6 +208,7 @@ namespace AssetStudio.GUI
             uvsComboBox.Size = new System.Drawing.Size(75, 23);
             uvsComboBox.TabIndex = 32;
             uvsComboBox.SelectedIndexChanged += uvsComboBox_SelectedIndexChanged;
+            uvsComboBox.MouseHover += uvsComboBox_MouseHover;
             // 
             // canExportCheckBox
             // 
@@ -251,6 +252,7 @@ namespace AssetStudio.GUI
             typesComboBox.Size = new System.Drawing.Size(127, 23);
             typesComboBox.TabIndex = 28;
             typesComboBox.SelectedIndexChanged += TypesComboBox_SelectedIndexChanged;
+            typesComboBox.MouseHover += TypesComboBox_MouseHover;
             // 
             // label6
             // 
@@ -328,7 +330,7 @@ namespace AssetStudio.GUI
             key.Name = "key";
             key.Size = new System.Drawing.Size(55, 23);
             key.TabIndex = 8;
-            keyToolTip.SetToolTip(key, "Key in hex");
+            key.MouseHover += Key_MouseHover;
             // 
             // encrypted
             // 
@@ -649,6 +651,11 @@ namespace AssetStudio.GUI
             eulerFilter.Text = "EulerFilter";
             eulerFilter.UseVisualStyleBackColor = true;
             // 
+            // typesToolTip
+            // 
+            toolTip.UseAnimation = false;
+            toolTip.UseFading = false;
+            // 
             // ExportOptions
             // 
             AcceptButton = OKbutton;
@@ -715,11 +722,9 @@ namespace AssetStudio.GUI
         private System.Windows.Forms.ComboBox assetGroupOptions;
         private System.Windows.Forms.CheckBox restoreExtensionName;
         private System.Windows.Forms.CheckBox openAfterExport;
-        private System.Windows.Forms.ToolTip exportUvsTooltip;
         private System.Windows.Forms.CheckBox collectAnimations;
         private System.Windows.Forms.CheckBox encrypted;
         private System.Windows.Forms.NumericUpDown key;
-        private System.Windows.Forms.ToolTip keyToolTip;
         private System.Windows.Forms.CheckBox minimalAssetMap;
         private System.Windows.Forms.Label label7;
         private Label label6;
@@ -733,5 +738,6 @@ namespace AssetStudio.GUI
         private Label label10;
         private ComboBox texTypeComboBox;
         private TextBox texNameTextBox;
+        private ToolTip toolTip;
     }
 }
diff --git a/AssetStudio.GUI/ExportOptions.cs b/AssetStudio.GUI/ExportOptions.cs
index 87219a6..3665706 100644
--- a/AssetStudio.GUI/ExportOptions.cs
+++ b/AssetStudio.GUI/ExportOptions.cs
@@ -2,6 +2,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text;
 using System.Windows.Forms;
 
 namespace AssetStudio.GUI
@@ -163,6 +164,48 @@ namespace AssetStudio.GUI
             }
         }
 
+        private void TypesComboBox_MouseHover(object sender, EventArgs e)
+        {
+            var sb = new StringBuilder();
+            foreach (var type in types)
+            {
+                sb.Append($"{type.Key}: {(type.Value.Item1 ? '\x2713' : '\x2717')}, {(type.Value.Item2 ? '\x2713' : '\x2717')}\n");
+            }
+
+            toolTip.ToolTipTitle = "Type options status:";
+            toolTip.SetToolTip(typesComboBox, sb.ToString());
+        }
+
+        private void uvsComboBox_MouseHover(object sender, EventArgs e)
+        {
+            var sb = new StringBuilder();
+            foreach (var uv in uvs)
+            {
+                sb.Append($"{uv.Key}: {uvTypesComboBox.Items[uv.Value.Item2]}, {(uv.Value.Item1 ? '\x2713' : '\x2717')}\n");
+            }
+
+            toolTip.ToolTipTitle = "UVs options status:";
+            toolTip.SetToolTip(uvsComboBox, sb.ToString());
+        }
+
+        private void TexTypeComboBox_MouseHover(object sender, EventArgs e)
+        {
+            var sb = new StringBuilder();
+            foreach (var tex in texs)
+            {
+                sb.Append($"{texTypeComboBox.Items[tex.Key]}: {tex.Value}\n");
+            }
+
+            toolTip.ToolTipTitle = "Texture options status:";
+            toolTip.SetToolTip(texTypeComboBox, sb.ToString());
+        }
+
+        private void Key_MouseHover(object sender, EventArgs e)
+        {
+            toolTip.ToolTipTitle = "Value";
+            toolTip.SetToolTip(key, "Key in Hex");
+        }
+
         private void Cancel_Click(object sender, EventArgs e)
         {
             DialogResult = DialogResult.Cancel;
diff --git a/AssetStudio.GUI/ExportOptions.resx b/AssetStudio.GUI/ExportOptions.resx
index dec925d..89e9704 100644
--- a/AssetStudio.GUI/ExportOptions.resx
+++ b/AssetStudio.GUI/ExportOptions.resx
@@ -117,11 +117,14 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="exportUvsTooltip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
   <metadata name="keyToolTip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>162, 17</value>
   </metadata>
-  <metadata name="exportUvsTooltip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>17, 17</value>
+  <metadata name="typesToolTip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>272, 17</value>
   </metadata>
   <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>57</value>
diff --git a/AssetStudio/OffsetStream.cs b/AssetStudio/OffsetStream.cs
index 46315e7..0205bfd 100644
--- a/AssetStudio/OffsetStream.cs
+++ b/AssetStudio/OffsetStream.cs
@@ -85,6 +85,10 @@ namespace AssetStudio
                 {
                     Offset = AbsolutePosition;
                     yield return AbsolutePosition;
+                    if (Offset == AbsolutePosition)
+                    {
+                        break;
+                    }
                 }
             }
         }