diff --git a/src/main/java/com/github/houbb/sensitive/word/support/allow/WordAllowInit.java b/src/main/java/com/github/houbb/sensitive/word/support/allow/WordAllowInit.java
index 6803637..a7c5f92 100644
--- a/src/main/java/com/github/houbb/sensitive/word/support/allow/WordAllowInit.java
+++ b/src/main/java/com/github/houbb/sensitive/word/support/allow/WordAllowInit.java
@@ -34,6 +34,9 @@ public abstract class WordAllowInit implements IWordAllow {
         List<IWordAllow> wordAllows = pipeline.list();
         for (IWordAllow wordAllow : wordAllows) {
             List<String> allowList = wordAllow.allow();
+            if (allowList == null) {
+                allowList = new ArrayList<>();
+            }
             results.addAll(allowList);
         }
 
diff --git a/src/main/java/com/github/houbb/sensitive/word/support/deny/WordDenyInit.java b/src/main/java/com/github/houbb/sensitive/word/support/deny/WordDenyInit.java
index 0fa64c2..6aa67cf 100644
--- a/src/main/java/com/github/houbb/sensitive/word/support/deny/WordDenyInit.java
+++ b/src/main/java/com/github/houbb/sensitive/word/support/deny/WordDenyInit.java
@@ -35,6 +35,9 @@ public abstract class WordDenyInit implements IWordDeny {
         List<IWordDeny> wordDenies = pipeline.list();
         for (IWordDeny wordDeny : wordDenies) {
             List<String> denyList = wordDeny.deny();
+            if (denyList == null) {
+                denyList = new ArrayList<>();
+            }
             results.addAll(denyList);
         }