diff --git a/ContentGrabbingJi-CacheStore-redis/src/main/lua/RemoveKeysByPrefix.lua b/ContentGrabbingJi-CacheStore-redis/src/main/lua/RemoveKeysByPrefix.lua
new file mode 100644
index 0000000..48c0a8e
--- /dev/null
+++ b/ContentGrabbingJi-CacheStore-redis/src/main/lua/RemoveKeysByPrefix.lua
@@ -0,0 +1,18 @@
+local keyPrefix = tostring(KEYS[1])
+
+if (keyPrefix == nil) then
+    return false
+end
+
+if (string.sub(keyPrefix, string.len(keyPrefix)) ~= "*") then
+    keyPrefix = keyPrefix .. "*"
+end
+
+
+local keys = redis.call("KEYS", keyPrefix)
+local count = 0;
+for _, v in ipairs(keys) do
+    count = count + redis.call("DEL", v)
+end
+
+return count