diff --git a/README.md b/README.md
index 05995a1..efacc69 100644
--- a/README.md
+++ b/README.md
@@ -44,9 +44,9 @@ bash remove 1456 # 卸载1.4.5.6
 ```
 
 ### 3.启动
-使用`run`加版本号即可删除泰拉瑞亚服务端
+使用`run`加版本号即可启动泰拉瑞亚服务端
 ```shell
 bash run 1456 # 启动1.4.5.6
 ```
->还可以使用`latest`参数直接安装、删除、启动最新版本 ~~（尚未实现）~~
-如果未填入参数，则直接按最新版本安装
\ No newline at end of file
+>还可以使用`latest`参数直接安装、启动最新版本
+安装时如果未填入参数，则直接按最新版本安装，运行参数如果不存在本地，则调用安装后运行
\ No newline at end of file
diff --git a/install b/install
old mode 100644
new mode 100755
index 07c58f3..02a8584
--- a/install
+++ b/install
@@ -35,13 +35,13 @@ else
     fi
 fi
 
-# Version Check
+# Version History Check
 TEXT=$(
 curl -s https://terraria.wiki.gg/wiki/Desktop_version_history | tr '\n' ' ' | grep -oP '(?<=<tbody>).*?(?=</tbody>)'
 )
 ALL_VERSIONS=$(echo "$TEXT" | grep -oP '[0-9]+\.[0-9]+(\.[0-9]+)?+(\.[0-9]+)?')
-VERSION=$(echo "$ALL_VERSIONS" | head -n1)
-VERSION_NO_DOT=$(echo "$VERSION" | tr -d '.')
+LATEST_VERSION=$(printf "%s\n" "$ALL_VERSIONS" | head -n1)
+VERSION_NO_DOT=$(echo "$LATEST_VERSION" | tr -d '.')
 if [[ $1 == 'latest' ]]; then
     echo "Latest version: $VERSION"
     VERSION=$VERSION_NO_DOT
diff --git a/remove b/remove
old mode 100644
new mode 100755
index b17107d..d15f682
--- a/remove
+++ b/remove
@@ -1,27 +1,47 @@
 #!/bin/bash
 
-# Version Check
+# Param Handle
+VERSION=$(echo $1 | tr -d '/')
+
+# Version History Check
 TEXT=$(
 curl -s https://terraria.wiki.gg/wiki/Desktop_version_history | tr '\n' ' ' | grep -oP '(?<=<tbody>).*?(?=</tbody>)'
 )
-ALL_VERSIONS=$(echo "$TEXT" | grep -oP '[0-9]+\.[0-9]+(\.[0-9]+)?+(\.[0-9]+)?')
-VERSION=$(echo "$ALL_VERSIONS" | head -n1)
-VERSION_NO_DOT=$(echo "$VERSION" | tr -d '.')
-if [[ $1 == 'latest' ]]; then
-    echo "Latest version: $VERSION"
-    VERSION=$VERSION_NO_DOT
-elif [[ -n $1 ]]; then
-    if echo "$ALL_VERSIONS" | tr -d '.' | grep -q "^$1$"; then
-        VERSION=$1
-        echo "Selected version: $VERSION"
+ALL_VERSIONS=$(echo "$TEXT" | grep -oP '[0-9]+\.[0-9]+(\.[0-9]+){1,2}')
+# LATEST_VERSION=$(echo "$ALL_VERSIONS" | head -n1)
+ALL_VERSIONS_NO_DOT=$(printf "%s\n" "$ALL_VERSIONS" | tr -d '.')
+# if [[ $1 == 'latest' ]]; then
+#     echo "Latest version: $VERSION"
+#     VERSION=$VERSION_NO_DOT
+# elif [[ -n $1 ]]; then
+#     if echo "$ALL_VERSIONS" | tr -d '.' | grep -q "^$1$"; then
+#         VERSION=$1
+#         echo "Selected version: $VERSION"
+#     else
+#         echo "Error: version '$1' not found in version history."
+#         exit 1
+#     fi
+# else
+#     echo "Latest version: $VERSION"
+#     VERSION=$VERSION_NO_DOT
+# fi
+if [[ -n $VERSION ]]; then
+    if echo "$ALL_VERSIONS" | tr -d '.' | grep -q "^$VERSION$"; then
+        FINAL_VERSION=$VERSION
     else
-        echo "Error: version '$1' not found in version history."
+        echo "Error: version '$VERSION' not found in version history."
         exit 1
     fi
+fi
+
+# Local Folder Check
+LOCAL_VERSIONS=$(printf '%s\n' * | grep -oP '[0-9]+[0-9]+([0-9]+)?+([0-9]+)?')
+if printf '%s\n' "$LOCAL_VERSIONS" | grep -qx -- "$VERSION"; then
+    FINAL_VERSION="$VERSION"
 else
-    echo "Latest version: $VERSION"
-    VERSION=$VERSION_NO_DOT
+    echo "Error: version '$VERSION' does not exist locally."
+    exit 1
 fi
 
 # Remove
-rm /fr ./$VERSION
\ No newline at end of file
+rm -fr ./$FINAL_VERSION
\ No newline at end of file
diff --git a/run b/run
old mode 100644
new mode 100755
index 74c5eae..10e61cb
--- a/run
+++ b/run
@@ -1,26 +1,43 @@
 #!/bin/bash
 
-# Version Check
+# Version History Check
 TEXT=$(
 curl -s https://terraria.wiki.gg/wiki/Desktop_version_history | tr '\n' ' ' | grep -oP '(?<=<tbody>).*?(?=</tbody>)'
 )
-ALL_VERSIONS=$(echo "$TEXT" | grep -oP '[0-9]+\.[0-9]+(\.[0-9]+)?+(\.[0-9]+)?')
-VERSION=$(echo "$ALL_VERSIONS" | head -n1)
-VERSION_NO_DOT=$(echo "$VERSION" | tr -d '.')
+ALL_VERSIONS=$(echo "$TEXT" | grep -oP '[0-9]+\.[0-9]+(\.[0-9]+){1,2}')
+LATEST_VERSION=$(echo "$ALL_VERSIONS" | head -n1)
+LATEST_VERSION_NO_DOT=$(echo "$LATEST_VERSION" | tr -d '.')
+ALL_VERSIONS_NO_DOT=$(printf "%s\n" "$ALL_VERSIONS" | tr -d '.')
 if [[ $1 == 'latest' ]]; then
+    VERSION=$LATEST_VERSION_NO_DOT
     echo "Latest version: $VERSION"
-    VERSION=$VERSION_NO_DOT
 elif [[ -n $1 ]]; then
     if echo "$ALL_VERSIONS" | tr -d '.' | grep -q "^$1$"; then
         VERSION=$1
-        echo "Selected version: $VERSION"
     else
         echo "Error: version '$1' not found in version history."
         exit 1
     fi
 else
-    echo "Latest version: $VERSION"
-    VERSION=$VERSION_NO_DOT
+    VERSION=$LATEST_VERSION_NO_DOT
+    echo "If no parameters are passed"
+    echo "The version will default to the latest version."
+    echo "Latest version: $VERSION. "
+fi
+
+# Local Folder Check
+LOCAL_VERSIONS=$(printf '%s\n' * | grep -oP '[0-9]+[0-9]+([0-9]+)?+([0-9]+)?')
+if printf '%s\n' "$LOCAL_VERSIONS" | grep -qx -- "$VERSION"; then
+    VERSION="$VERSION"
+else
+    echo "Error: version '$VERSION' does not exist locally."
+    printf "Do you want to install it? (Y/n) "
+    read CHOICE 
+    if [[ $CHOICE == 'y' || $CHOICE == 'Y' ]]; then
+        bash install $VERSION
+    else
+        exit 1
+    fi
 fi
 
 # Run