diff --git a/README.md b/README.md
index ec3764e..8e49d70 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,10 @@ backend/
 
 ## 最佳实践
 
-对于路径和 ID，均应当使用英文字母、下划线和数字，不应当使用包括中文和短横杠在内的其他字符。由此引发的问题后果自负。
+不遵守此部分内容引发的问题后果自负。
+
+对于同一物质/卡牌，其在各处的 ID 应该相同，即在 `cards` `matters` `reactions` `assets` 中的 ID 都应该相同，否则游戏本体将无法读取。
+
+对于路径和 ID，均应当使用英文字母、下划线和数字，不应当使用包括中文和短横杠在内的其他字符。
 
 所有 JSON 文件中的缩进均应当使用 2 个或 4 个空格，而非制表符（`\t`）。
diff --git a/resources/cards/NonMetal/Carbon.json b/resources/cards/NonMetal/Carbon.json
index 116e77f..51c43ca 100644
--- a/resources/cards/NonMetal/Carbon.json
+++ b/resources/cards/NonMetal/Carbon.json
@@ -3,6 +3,7 @@
         "en-US": "Carbon",
         "zh-CN": "碳"
     },
+    "type": "Element/Solid",
     "number": 6,
     "mass": 12
 }
\ No newline at end of file
diff --git a/resources/cards/NonMetal/Oxygen.json b/resources/cards/NonMetal/Oxygen.json
index 0ac441c..f3bd5c1 100644
--- a/resources/cards/NonMetal/Oxygen.json
+++ b/resources/cards/NonMetal/Oxygen.json
@@ -3,6 +3,7 @@
         "en-US": "Oxygen",
         "zh-CN": "氧"
     },
+    "type": "Element/Solid",
     "number": 8,
     "mass": 16
 }
\ No newline at end of file
diff --git a/resources/conditions/Ignite.json b/resources/conditions/Ignite.json
deleted file mode 100644
index 6cdc519..0000000
--- a/resources/conditions/Ignite.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-    "name": {
-        "en-US": "Ignite",
-        "zh-CN": "点燃"
-    }
-}
\ No newline at end of file
diff --git a/resources/conditions/list.json b/resources/conditions/list.json
deleted file mode 100644
index f61b33b..0000000
--- a/resources/conditions/list.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "Ignite": "Ignite"
-}
\ No newline at end of file
diff --git a/resources/matters/Compound/Carbon_Dioxide.json b/resources/matters/Compound/Carbon_Dioxide.json
index b430ccb..47dfee2 100644
--- a/resources/matters/Compound/Carbon_Dioxide.json
+++ b/resources/matters/Compound/Carbon_Dioxide.json
@@ -3,5 +3,6 @@
         "en-US": "Carbon Dioxide",
         "zh-CN": "二氧化碳"
     },
+    "type": "Compound/Gas",
     "mass": 44
 }
\ No newline at end of file
diff --git a/resources/matters/NonMetal/Carbon.json b/resources/matters/NonMetal/Carbon.json
index 116e77f..51c43ca 100644
--- a/resources/matters/NonMetal/Carbon.json
+++ b/resources/matters/NonMetal/Carbon.json
@@ -3,6 +3,7 @@
         "en-US": "Carbon",
         "zh-CN": "碳"
     },
+    "type": "Element/Solid",
     "number": 6,
     "mass": 12
 }
\ No newline at end of file
diff --git a/resources/matters/NonMetal/Oxygen.json b/resources/matters/NonMetal/Oxygen.json
index 0ac441c..f3bd5c1 100644
--- a/resources/matters/NonMetal/Oxygen.json
+++ b/resources/matters/NonMetal/Oxygen.json
@@ -3,6 +3,7 @@
         "en-US": "Oxygen",
         "zh-CN": "氧"
     },
+    "type": "Element/Solid",
     "number": 8,
     "mass": 16
 }
\ No newline at end of file