diff --git a/app/imitate_thread.py b/app/imitate_thread.py
index ec7111e..75fa43e 100644
--- a/app/imitate_thread.py
+++ b/app/imitate_thread.py
@@ -8,8 +8,19 @@ from flask import jsonify
 virus_queue = []
 bugs_queue = []
 
-virus_prefix = "py-virus"
-bugs_prefix = "sec-bugs"
+# virus_prefix 在三个选项中随机选择
+virus_prefix_options = [
+    "Worm.Linux32.FakeFolder.BS",
+    "VHEUR/QVM41.2.ABB5.Malware.Gen",
+    "Hidden.dir.Generic.DWsdh"
+]
+bugs_prefix_options = [
+    "KB3023052-Microsoft Edge 2023 BUG",
+    "KB2880463-Kubectl Sslolo BUG-fix",
+    "KG3054816-LiveLinux-KSDCO5"
+]
+
+
 virus_size = 6
 bugs_size = 5
 
@@ -21,12 +32,15 @@ def initialize_virus_queue():
     global virus_queue
     for _ in range(virus_size):
         random_string = generate_random_string()
+        # 每次生成数据时，随机选择一个 virus_prefix
+        virus_prefix = random.choice(virus_prefix_options)
         virus_queue.append(f'{virus_prefix}-{random_string}')
 
 def initialize_bugs_queue():
     global bugs_queue
     for _ in range(bugs_size):
         random_string = generate_random_string()
+        bugs_prefix = random.choice(bugs_prefix_options)
         bugs_queue.append(f'{bugs_prefix}-{random_string}')
 
 # 定时检查病毒和漏洞数量
@@ -36,11 +50,13 @@ def check_queue_length():
         if len(virus_queue) < virus_size:
             for _ in range(virus_size - len(virus_queue)):
                 random_string = generate_random_string()
+                virus_prefix = random.choice(virus_prefix_options)
                 virus_queue.append(f'{virus_prefix}-{random_string}')
 
         if len(bugs_queue) < bugs_size:
             for _ in range(bugs_size - len(bugs_queue)):
                 random_string = generate_random_string()
+                bugs_prefix = random.choice(bugs_prefix_options)
                 bugs_queue.append(f'{bugs_prefix}-{random_string}')