diff --git a/README.md b/README.md
index a35f64a..6bd828a 100644
--- a/README.md
+++ b/README.md
@@ -386,16 +386,6 @@ Discover games, game-related content, get recommendations, and compare games bas
 
 ---
 
-### [MintbaseSearch](https://lobechat.com/discover/plugin/mintbasesearch)
-
-<sup>By **[@mintbase](https://search-ai.mintbase.xyz)** on **2024-01-22**</sup>
-
-Find any NFT data on the NEAR Protocol.
-
-`crypto` `nft`
-
----
-
 ### [Change](https://lobechat.com/discover/plugin/nonprofits)
 
 <sup>By **[@getchange](https://api.getchange.io)** on **2024-01-22**</sup>
diff --git a/README.zh-CN.md b/README.zh-CN.md
index b9d6b12..b4dcba8 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -386,16 +386,6 @@ SEO 助手可以生成搜索引擎关键词信息，以帮助创建内容。
 
 ---
 
-### [MintbaseSearch](https://lobechat.com/discover/plugin/mintbasesearch)
-
-<sup>By **[@mintbase](https://search-ai.mintbase.xyz)** on **2024-01-22**</sup>
-
-在 NEAR 协议上查找任何 NFT 数据。
-
-`加密货币` `NFT`
-
----
-
 ### [Change](https://lobechat.com/discover/plugin/nonprofits)
 
 <sup>By **[@getchange](https://api.getchange.io)** on **2024-01-22**</sup>
diff --git a/src/levinbot.json b/src/levinbot.json
index fe30786..dc2ccc4 100644
--- a/src/levinbot.json
+++ b/src/levinbot.json
@@ -9,7 +9,7 @@
     "description": "Search research papers and transcripts of talks from Dr. Michael Levin's Lab.",
     "tags": ["research-paper", "search"],
     "title": "LevinBot",
-    "category": "web-search"
+    "category": "science-education"
   },
   "schemaVersion": 1
 }
diff --git a/src/mintbasesearch.json b/src/mintbasesearch.json
deleted file mode 100644
index dc44d37..0000000
--- a/src/mintbasesearch.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "author": "mintbase",
-  "createdAt": "2024-01-22",
-  "homepage": "https://search-ai.mintbase.xyz",
-  "identifier": "mintbasesearch",
-  "manifest": "https://openai-collections.chat-plugin.lobehub.com/mintbasesearch/manifest.json",
-  "meta": {
-    "avatar": "https://openai-collections.chat-plugin.lobehub.com/mintbasesearch/logo.webp",
-    "description": "Find any NFT data on the NEAR Protocol.",
-    "tags": ["crypto", "nft"],
-    "title": "MintbaseSearch",
-    "category": "stocks-finance"
-  },
-  "schemaVersion": 1
-}
diff --git a/src/seo_assistant.json b/src/seo_assistant.json
index 95a3b62..12c13f2 100644
--- a/src/seo_assistant.json
+++ b/src/seo_assistant.json
@@ -9,7 +9,7 @@
     "description": "The SEO Assistant can generate search engine keyword information in order to aid the creation of content.",
     "tags": ["seo", "keyword"],
     "title": "SEO Assistant",
-    "category": "web-search"
+    "category": "tools"
   },
   "schemaVersion": 1
 }