diff --git a/Notes-master/.idea/gradle.xml b/Notes-master/.idea/gradle.xml
index a0de2a1..a33cee7 100644
--- a/Notes-master/.idea/gradle.xml
+++ b/Notes-master/.idea/gradle.xml
@@ -7,7 +7,7 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="Embedded JDK" />
+        <option name="gradleJvm" value="17" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/Notes-master/.idea/sonarlint/issuestore/index.pb b/Notes-master/.idea/sonarlint/issuestore/index.pb
index 7a6e811..bc98754 100644
--- a/Notes-master/.idea/sonarlint/issuestore/index.pb
+++ b/Notes-master/.idea/sonarlint/issuestore/index.pb
@@ -1,3 +1,5 @@
 
+g
+7app/src/main/java/net/micode/notes/gtask/data/Node.java,3\a\3aac5305cb73bfbdeb8078cd264d04323fa80e92
 k
 ;app/src/main/java/net/micode/notes/gtask/data/MetaData.java,c\1\c182d0c9c237ea8a46a92ccaae9bb5c751923a88
\ No newline at end of file
diff --git a/Notes-master/.idea/sonarlint/securityhotspotstore/index.pb b/Notes-master/.idea/sonarlint/securityhotspotstore/index.pb
index 7a6e811..5659aeb 100644
--- a/Notes-master/.idea/sonarlint/securityhotspotstore/index.pb
+++ b/Notes-master/.idea/sonarlint/securityhotspotstore/index.pb
@@ -1,3 +1,5 @@
 
 k
-;app/src/main/java/net/micode/notes/gtask/data/MetaData.java,c\1\c182d0c9c237ea8a46a92ccaae9bb5c751923a88
\ No newline at end of file
+;app/src/main/java/net/micode/notes/gtask/data/MetaData.java,c\1\c182d0c9c237ea8a46a92ccaae9bb5c751923a88
+g
+7app/src/main/java/net/micode/notes/gtask/data/Node.java,3\a\3aac5305cb73bfbdeb8078cd264d04323fa80e92
\ No newline at end of file
diff --git a/doc/软件需求描述文档.docx b/doc/软件需求描述文档.docx
new file mode 100644
index 0000000..fa435e3
Binary files /dev/null and b/doc/软件需求描述文档.docx differ