修改

.idea/compiler.xml

@@ -6,16 +6,19 @@
         <sourceOutputDir name="target/generated-sources/annotations" />
         <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
         <outputRelativeToContentRoot value="true" />
+        <module name="backGround" />
         <module name="demo" />
       </profile>
     </annotationProcessing>
     <bytecodeTargetLevel>
+      <module name="backGround" target="1.8" />
       <module name="demo" target="1.8" />
     </bytecodeTargetLevel>
   </component>
   <component name="JavacSettings">
     <option name="ADDITIONAL_OPTIONS_OVERRIDE">
-      <module name="demo" options="" />
+      <module name="backGround" options="-parameters" />
+      <module name="demo" options="-parameters" />
     </option>
   </component>
 </project>

.idea/encodings.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="Encoding">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM">
+    <file url="file://$PROJECT_DIR$/backGround" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/demo" charset="UTF-8" />
   </component>
 </project>

.idea/misc.xml

@@ -7,6 +7,7 @@
     <option name="originalFiles">
       <list>
         <option value="$PROJECT_DIR$/demo/pom.xml" />
+        <option value="$PROJECT_DIR$/backGround/pom.xml" />
       </list>
     </option>
   </component>

.idea/modules.xml

@@ -2,6 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
+      <module fileurl="file://$PROJECT_DIR$/backGround/backGround.iml" filepath="$PROJECT_DIR$/backGround/backGround.iml" />
       <module fileurl="file://$PROJECT_DIR$/demo/demo.iml" filepath="$PROJECT_DIR$/demo/demo.iml" />
       <module fileurl="file://$PROJECT_DIR$/.idea/firstproject.iml" filepath="$PROJECT_DIR$/.idea/firstproject.iml" />
     </modules>

backGround/src/main/resources/application.properties

@@ -0,0 +1,9 @@
+spring.datasource.url=jdbc:mysql://127.0.0.1:3306/soft?serverTimezone=GMT%2B8
+spring.datasource.username=root
+spring.datasource.password=123456789
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+#spring.datasource.max-idle=10
+#spring.datasource.max-wait=10000
+#spring.datasource.min-idle=5
+#spring.datasource.initial-size=5
+

demo/src/main/resources/static/css/SYSFrame1.css

@@ -623,7 +623,7 @@ select, textarea, input[type="text"], input[type="password"], input[type="dateti
 	border-color: #438EB9
 }
 .hover-deep-gray:hover, .bg-deep-gray{
-	color: #33333;
+	color:#6C7B8B;
     background: #DDDDDD!important;
 	border-color: #DEDEDE
 }