diff --git a/CHANGELOG b/CHANGELOG
index fa0e85b..0b2fc35 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.2.1.577
+Date: 2019.2.16
+Bugfixes:
+  - Fixed the body-blocks that is in edit area is disabled when changed showing object.[bug#27]
+---------------------------------------------------------------------------------------------------
 Version: 0.2.1.573
 Date: 2019.2.14
 Bugfixes:
@@ -37,7 +42,7 @@ Features:
 Source:
   - Deleted some signals and slots.
 ---------------------------------------------------------------------------------------------------
-Version: 0.2.0.515 | 0.2.0
+Version: 0.2.0.515
 Date: 2019.1.18
 Source:
   - Added function to Logger in template function.
@@ -92,7 +97,7 @@ Date: 2018.12.25
 Features:
   - Added loading for image resource.
 ---------------------------------------------------------------------------------------------------
-Version: 0.1.0.417 | 0.1.0
+Version: 0.1.0.417
 Date: 2018.12.25
 Source:
   - Added destructor to some of functions.
diff --git a/CHANGELOG.RELEASE b/CHANGELOG.RELEASE
index d2bd76a..ce9bc02 100644
--- a/CHANGELOG.RELEASE
+++ b/CHANGELOG.RELEASE
@@ -1,4 +1,20 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.2.1
+Date: 2019.2.16
+Features:
+  - Added stage to list of sprites.[build-570]
+  - Changed the style of sprite list item.[build-563]
+  - Finished UI of SpriteListItem.[build-527]
+  - Output the current running block's name to the log file.[build-547]
+  - Run project with multithread.[build-555]
+Bugfixes:
+  - Fixed the blocks cannot be used when running project.[bug#22][build-547]
+  - Fixed the block category did not refresh after changing the category.[bug#26][build-555]
+  - Fixed the body-blocks that is in edit area is disabled when changed showing object.[bug#27][build-577]
+  - Fixed the program crash when initialization.[bug#28][build-573]
+Source:
+  - Deleted some signals and slots.[build-570]
+---------------------------------------------------------------------------------------------------
 Version: 0.2.0
 Date: 2019.1.18
 Features:
diff --git a/ZilchEditor.pro.user b/ZilchEditor.pro.user
index 3de9110..05003ef 100644
--- a/ZilchEditor.pro.user
+++ b/ZilchEditor.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.7.1, 2019-02-13T22:42:54. -->
+<!-- Written by QtCreator 4.7.1, 2019-02-16T16:37:45. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
diff --git a/src/widget/ScriptPart.cpp b/src/widget/ScriptPart.cpp
index c6b0df6..881b4d1 100644
--- a/src/widget/ScriptPart.cpp
+++ b/src/widget/ScriptPart.cpp
@@ -61,19 +61,13 @@ ScriptPart_ScriptEdit::ScriptPart_ScriptEdit(QWidget *parent):Widget(parent) {
 
 void ScriptPart_ScriptEdit::Reload() {
 	for (auto c : this->children()) {
-		delete c;
-		c = nullptr;
+		static_cast<BlockItem*>(c)->hide();
 	}
 	for (auto &c : AppWindow->EditArea->Object->BlockList) {
-		if (c->isHead()) {
-			c->Item = new BlockItem(c, nullptr, nullptr, this);
-			c->Item->move(c->X, c->Y);
-		}
-		else {
-			c->Item = new BlockItem(c, c->LastBlock, c->NextBlock, this);
-			c->Item->move(c->LastBlock->Item->x(), c->LastBlock->Item->y() + c->LastBlock->Item->height());
-		}
 		c->Item->show();
+		for (auto &i = c->NextBlock; i != nullptr; i = i->NextBlock) {
+			i->Item->show();
+		}
 	}
 }