diff --git a/src/main/java/com/extendedae_plus/client/ui/ProviderSelectScreen.java b/src/main/java/com/extendedae_plus/client/ui/ProviderSelectScreen.java
index 75d96bb..7266314 100644
--- a/src/main/java/com/extendedae_plus/client/ui/ProviderSelectScreen.java
+++ b/src/main/java/com/extendedae_plus/client/ui/ProviderSelectScreen.java
@@ -149,6 +149,12 @@ public class ProviderSelectScreen extends Screen {
                 .build();
         this.addRenderableWidget(addMap);
 
+        // 删除映射（按中文值精确匹配删除）按钮
+        Button delByCn = Button.builder(Component.literal("删除映射"), b -> deleteMappingByCnFromUI())
+                .bounds(centerX + 240, navY + 30, 60, 20)
+                .build();
+        this.addRenderableWidget(delByCn);
+
         // 关闭按钮
         Button close = Button.builder(Component.translatable("gui.cancel"), b -> onClose())
                 .bounds(centerX - 40, navY + 30, 80, 20)
@@ -353,4 +359,22 @@ public class ProviderSelectScreen extends Screen {
             if (player != null) player.sendSystemMessage(Component.literal("写入映射失败"));
         }
     }
+
+    // 使用中文值精确匹配删除映射
+    private void deleteMappingByCnFromUI() {
+        String val = cnInput == null ? "" : cnInput.getValue().trim();
+        var player = Minecraft.getInstance().player;
+        if (val.isEmpty()) {
+            if (player != null) player.sendSystemMessage(Component.literal("请输入中文名称后再删除映射"));
+            return;
+        }
+        int removed = com.extendedae_plus.util.ExtendedAEPatternUploadUtil.removeMappingsByCnValue(val);
+        if (removed > 0) {
+            if (player != null) player.sendSystemMessage(Component.literal("已删除 " + removed + " 条映射，中文= " + val));
+            applyFilter();
+            needsRefresh = true;
+        } else {
+            if (player != null) player.sendSystemMessage(Component.literal("未找到中文为 '" + val + "' 的映射"));
+        }
+    }
 }
diff --git a/src/main/java/com/extendedae_plus/mixin/jei/EncodePatternTransferHandlerMixin.java b/src/main/java/com/extendedae_plus/mixin/jei/EncodePatternTransferHandlerMixin.java
index ce242f1..820b3ce 100644
--- a/src/main/java/com/extendedae_plus/mixin/jei/EncodePatternTransferHandlerMixin.java
+++ b/src/main/java/com/extendedae_plus/mixin/jei/EncodePatternTransferHandlerMixin.java
@@ -33,17 +33,17 @@ public abstract class EncodePatternTransferHandlerMixin {
             // 仅记录处理配方（非 3x3 合成）
             if (EncodingHelper.isSupportedCraftingRecipe(recipe)) return;
             name = ExtendedAEPatternUploadUtil.mapRecipeTypeToSearchKey(recipe);
-        } else if (recipeBase instanceof com.gregtechceu.gtceu.api.recipe.GTRecipe gtRecipe) {
-            // GTCEu 专用：从 GTRecipeType 提取注册ID并映射为中文或path
-            name = ExtendedAEPatternUploadUtil.mapGTCEuRecipeToSearchKey(gtRecipe);
+        } else if (recipeBase != null &&
+                   "com.gregtechceu.gtceu.api.recipe.GTRecipe".equals(recipeBase.getClass().getName())) {
+            // 反射路径：GTCEu 专用，从 GTRecipeType 提取注册ID并映射为中文或path
+            name = ExtendedAEPatternUploadUtil.mapGTCEuRecipeToSearchKey(recipeBase);
         } else if ("com.gregtechceu.gtceu.integration.jei.recipe.GTRecipeWrapper".equals(recipeBase.getClass().getName())) {
             // 通过反射处理 GTCEu JEI 包装类，避免硬依赖
             try {
                 var field = recipeBase.getClass().getField("recipe"); // public final GTRecipe recipe;
                 Object inner = field.get(recipeBase);
-                if (inner instanceof com.gregtechceu.gtceu.api.recipe.GTRecipe gtRecipeInner) {
-                    name = ExtendedAEPatternUploadUtil.mapGTCEuRecipeToSearchKey(gtRecipeInner);
-                }
+                // 反射路径：将内部 GTRecipe 以 Object 传入
+                name = ExtendedAEPatternUploadUtil.mapGTCEuRecipeToSearchKey(inner);
             } catch (Throwable ignored) {
                 // 反射失败则继续走通用回退
             }
diff --git a/src/main/java/com/extendedae_plus/util/ExtendedAEPatternUploadUtil.java b/src/main/java/com/extendedae_plus/util/ExtendedAEPatternUploadUtil.java
index 5b83c6a..ef505b8 100644
--- a/src/main/java/com/extendedae_plus/util/ExtendedAEPatternUploadUtil.java
+++ b/src/main/java/com/extendedae_plus/util/ExtendedAEPatternUploadUtil.java
@@ -179,6 +179,69 @@ public class ExtendedAEPatternUploadUtil {
         }
     }
 
+    /**
+     * 按中文值精确匹配删除映射（支持别名与完整ID）。
+     * 返回删除的条目数量。
+     */
+    public static synchronized int removeMappingsByCnValue(String cnValue) {
+        if (cnValue == null) return 0;
+        String target = cnValue.trim();
+        if (target.isEmpty()) return 0;
+        try {
+            Path cfgDir = FMLPaths.CONFIGDIR.get();
+            Path cfgPath = cfgDir.resolve(CONFIG_RELATIVE);
+            if (!Files.exists(cfgPath)) {
+                return 0;
+            }
+            String json = Files.readString(cfgPath);
+            JsonObject obj = GSON.fromJson(json, JsonObject.class);
+            if (obj == null) return 0;
+
+            java.util.List<String> toRemove = new java.util.ArrayList<>();
+            for (java.util.Map.Entry<String, JsonElement> e : obj.entrySet()) {
+                JsonElement v = e.getValue();
+                if (v != null && v.isJsonPrimitive()) {
+                    String name = v.getAsString();
+                    if (target.equals(name)) {
+                        toRemove.add(e.getKey());
+                    }
+                }
+            }
+            if (toRemove.isEmpty()) return 0;
+
+            // 从 JSON 中移除
+            for (String k : toRemove) {
+                obj.remove(k);
+            }
+            Files.createDirectories(cfgPath.getParent());
+            Files.writeString(cfgPath, GSON.toJson(obj));
+
+            // 同步移除内存映射
+            for (String k : toRemove) {
+                if (k.contains(":")) {
+                    try {
+                        ResourceLocation rl = new ResourceLocation(k);
+                        // 仅当值匹配才移除（双重保险）
+                        String cur = CUSTOM_NAMES.get(rl);
+                        if (target.equals(cur)) {
+                            CUSTOM_NAMES.remove(rl);
+                        }
+                    } catch (Exception ignored) {}
+                } else {
+                    // 别名按小写存放
+                    String lower = k.toLowerCase();
+                    String cur = CUSTOM_ALIASES.get(lower);
+                    if (target.equals(cur)) {
+                        CUSTOM_ALIASES.remove(lower);
+                    }
+                }
+            }
+            return toRemove.size();
+        } catch (IOException e) {
+            return 0;
+        }
+    }
+
     public static String mapRecipeTypeToCn(Recipe<?> recipe) {
         if (recipe == null) return null;
         RecipeType<?> type = recipe.getType();
@@ -255,6 +318,35 @@ public class ExtendedAEPatternUploadUtil {
         }
     }
 
+    /**
+     * 仅使用反射的 GTCEu GTRecipe -> 搜索关键字（避免在运行时直接引用 GTCEu 类）。
+     * 逻辑与 {@link #mapGTCEuRecipeToSearchKey(com.gregtechceu.gtceu.api.recipe.GTRecipe)} 等价。
+     */
+    public static String mapGTCEuRecipeToSearchKey(Object gtRecipeObj) {
+        if (gtRecipeObj == null) return null;
+        try {
+            // 通过反射调用 getType()，其 toString() 应返回 registryName，即 namespace:path
+            java.lang.reflect.Method mGetType = gtRecipeObj.getClass().getMethod("getType");
+            Object typeObj = mGetType.invoke(gtRecipeObj);
+            String idStr = String.valueOf(typeObj);
+            if (idStr == null || idStr.isBlank()) return null;
+            ResourceLocation rl = new ResourceLocation(idStr);
+            // 1) 别名优先（使用 path 作为最终搜索关键字）
+            String path = rl.getPath();
+            if (path != null) {
+                String alias = CUSTOM_ALIASES.get(path.toLowerCase());
+                if (alias != null && !alias.isBlank()) return alias;
+            }
+            // 2) 再查完整ID映射
+            String custom = CUSTOM_NAMES.get(rl);
+            if (custom != null && !custom.isBlank()) return custom;
+            // 3) 默认返回 path 作为搜索关键字
+            return (path != null && !path.isBlank()) ? path : idStr;
+        } catch (Throwable t) {
+            return null;
+        }
+    }
+
     /**
      * 当 JEI 传入的 recipeBase 不是原版 Recipe<?> 时，根据类的包名/类名推导一个尽量可用的搜索关键字。
      * 例如："moe.gregtech.recipe.SomeAssemblerRecipe" -> "gtceu assembler"