diff --git a/app/src/main/java/com/example/cmknowledgegraph/HanlpSearch.java b/app/src/main/java/com/example/cmknowledgegraph/HanlpSearch.java
new file mode 100644
index 0000000..fb10903
--- /dev/null
+++ b/app/src/main/java/com/example/cmknowledgegraph/HanlpSearch.java
@@ -0,0 +1,35 @@
+package com.example.cmknowledgegraph;
+
+import com.hankcs.hanlp.HanLP;
+
+import java.util.List;
+import java.util.Scanner;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class HanlpSearch {
+    public static void main(String[] args) {
+        Scanner content = new Scanner(System.in);
+        String key = content.nextLine();
+        if(key.indexOf("吃")==-1) {
+            List result = HanLP.segment(key);
+            System.out.println(result);
+            for(int i=0;i<result.size();i++) {
+                String pattern = "(.*?)/[n|a]$";
+                Pattern template = Pattern.compile(pattern);
+                Matcher mc = template.matcher(String.valueOf(result.get(i)));
+                if (mc.find()) {
+                    String[] splitstr = mc.group().split("\\/");
+                    System.out.println(splitstr[0]);
+                } else {
+                    result = HanLP.extractKeyword(key, 1);
+                    System.out.println(result.get(0));
+                }
+            }
+        }
+        else{
+            List<String> result = HanLP.extractKeyword(key,2);
+            System.out.println(result.get(0));
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 4030adf..f6ccd2d 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -20,7 +20,7 @@
             android:layout_marginTop="10dp"
             android:layout_marginLeft="10dp"
             android:textSize="20dp"
-            android:textColor="#8B4513"/>
+            android:textColor="#35302D"/>
         <EditText
             android:id="@+id/id_edit"
             android:layout_width="250dp"
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 14a8bd4..79a01bf 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -26,5 +26,4 @@
         app:layout_constraintRight_toRightOf="parent"
         app:menu="@menu/bottom_nav_menu" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
-
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file