diff --git a/pom.xml b/pom.xml
index b15023e..35cfd1d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,4 +1,5 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.springboot.in.action</groupId>
     <artifactId>lightsword</artifactId>
@@ -123,12 +124,17 @@
                     </execution>
                 </executions>
                 <configuration>
+                    <recompileMode>incremental</recompileMode>
                     <scalaVersion>${scala.version}</scalaVersion>
                     <launchers>
                         <launcher>
                             <id>app</id>
                             <mainClass>com.springboot.in.action.LightSwordApplication</mainClass>
+                            <args>
+                                <arg>-deprecation</arg>
+                            </args>
                             <jvmArgs>
+                                <jvmArg>-Xms64m</jvmArg>
                                 <jvmArg>-Xmx1024m</jvmArg>
                             </jvmArgs>
                         </launcher>
@@ -138,13 +144,15 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>repackage</goal>
-                        </goals>
-                    </execution>
-                </executions>
+                <dependencies>
+                    <!-- spring热部署-->
+                    <dependency>
+                        <groupId>org.springframework</groupId>
+                        <artifactId>springloaded</artifactId>
+                        <version>1.2.6.RELEASE</version>
+                    </dependency>
+                </dependencies>
+
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
diff --git a/run.sh b/run.sh
index 2f23fd8..ce8d45d 100755
--- a/run.sh
+++ b/run.sh
@@ -1 +1,2 @@
-mvn clean scala:compile scala:run -Dlauncher=app
\ No newline at end of file
+#!/usr/bin/env bash
+mvn clean scala:compile scala:run -Dlauncher=app