diff --git a/packages/cli/package.json b/packages/cli/package.json
index 4c748f4..724bddc 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -50,7 +50,7 @@
     "cli diff component"
   ],
   "dependencies": {
-    "@git-diff-view/core": "^0.0.35",
+    "@git-diff-view/core": "^0.0.36",
     "@types/hast": "^3.0.0",
     "highlight.js": "^11.11.0",
     "lowlight": "^3.3.0",
diff --git a/packages/core/index.d.ts b/packages/core/index.d.ts
index 5295c5a..a290576 100644
--- a/packages/core/index.d.ts
+++ b/packages/core/index.d.ts
@@ -126,12 +126,12 @@ export declare class DiffFile {
 	getSplitLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getSplitRightLine: (index: number) => SplitLineItem;
 	getSplitHunkLine: (index: number) => DiffHunkItem;
-	onSplitHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onSplitHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	getUnifiedLine: (index: number) => UnifiedLineItem;
 	getUnifiedLineByLineNumber: (lienNumber: number, side: SplitSide) => UnifiedLineItem;
 	getUnifiedLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getUnifiedHunkLine: (index: number) => DiffHunkItem;
-	onUnifiedHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onUnifiedHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	onAllExpand: (mode: "split" | "unified") => void;
 	get hasExpandSplitAll(): boolean;
 	get hasExpandUnifiedAll(): boolean;
diff --git a/packages/core/package.json b/packages/core/package.json
index 18d6954..d3d538f 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -53,7 +53,7 @@
     "diff parse"
   ],
   "dependencies": {
-    "@git-diff-view/lowlight": "^0.0.35",
+    "@git-diff-view/lowlight": "^0.0.36",
     "highlight.js": "^11.11.0",
     "lowlight": "^3.3.0",
     "fast-diff": "^1.3.0"
diff --git a/packages/core/src/diff-file.ts b/packages/core/src/diff-file.ts
index 054988c..2353f94 100644
--- a/packages/core/src/diff-file.ts
+++ b/packages/core/src/diff-file.ts
@@ -1159,7 +1159,7 @@ export class DiffFile {
     return this.#splitHunksLines?.[index];
   };
 
-  onSplitHunkExpand = (dir: "up" | "down" | "all", index: number, needTrigger = true) => {
+  onSplitHunkExpand = (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger = true) => {
     const current = this.#splitHunksLines?.[index];
     if (!current || !current.splitInfo) return;
 
@@ -1197,7 +1197,19 @@ export class DiffFile {
           plainText: `@@ -${current.splitInfo.oldStartIndex},${current.splitInfo.oldLength} +${current.splitInfo.newStartIndex},${current.splitInfo.newLength}`,
         };
       }
-    } else {
+    } else if (dir === "down-all") {
+      for (let i = current.splitInfo.startHiddenIndex; i < current.splitInfo.endHiddenIndex; i++) {
+        const leftLine = this.#splitLeftLines[i];
+        const rightLine = this.#splitRightLines[i];
+        if (leftLine?.isHidden) leftLine.isHidden = false;
+        if (rightLine?.isHidden) rightLine.isHidden = false;
+      }
+      current.splitInfo = {
+        ...current.splitInfo,
+        plainText: "",
+        startHiddenIndex: current.splitInfo.endHiddenIndex,
+      };
+    } else if (dir === "up") {
       if (current.isLast) {
         if (__DEV__) {
           console.error("the last hunk can not expand up!");
@@ -1226,6 +1238,28 @@ export class DiffFile {
 
       delete this.#splitHunksLines?.[index];
 
+      this.#splitHunksLines![current.splitInfo.endHiddenIndex] = current;
+    } else if (dir === "up-all") {
+      if (current.isLast) {
+        if (__DEV__) {
+          console.error("the last hunk can not expand up!");
+        }
+        return;
+      }
+      for (let i = current.splitInfo.startHiddenIndex; i < current.splitInfo.endHiddenIndex; i++) {
+        const leftLine = this.#splitLeftLines[i];
+        const rightLine = this.#splitRightLines[i];
+        if (leftLine?.isHidden) leftLine.isHidden = false;
+        if (rightLine?.isHidden) rightLine.isHidden = false;
+      }
+      current.splitInfo = {
+        ...current.splitInfo,
+        plainText: "",
+        endHiddenIndex: current.splitInfo.startHiddenIndex,
+      };
+
+      delete this.#splitHunksLines?.[index];
+
       this.#splitHunksLines![current.splitInfo.endHiddenIndex] = current;
     }
 
@@ -1259,7 +1293,7 @@ export class DiffFile {
   };
 
   // TODO! support rollback?
-  onUnifiedHunkExpand = (dir: "up" | "down" | "all", index: number, needTrigger = true) => {
+  onUnifiedHunkExpand = (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger = true) => {
     if (this.#composeByDiff) return;
 
     const current = this.#unifiedHunksLines?.[index];
@@ -1296,7 +1330,17 @@ export class DiffFile {
           plainText: `@@ -${current.unifiedInfo.oldStartIndex},${current.unifiedInfo.oldLength} +${current.unifiedInfo.newStartIndex},${current.unifiedInfo.newLength}`,
         };
       }
-    } else {
+    } else if (dir === "down-all") {
+      for (let i = current.unifiedInfo.startHiddenIndex; i < current.unifiedInfo.endHiddenIndex; i++) {
+        const unifiedLine = this.#unifiedLines[i];
+        if (unifiedLine?.isHidden) unifiedLine.isHidden = false;
+      }
+      current.unifiedInfo = {
+        ...current.unifiedInfo,
+        plainText: "",
+        startHiddenIndex: current.unifiedInfo.endHiddenIndex,
+      };
+    } else if (dir === "up") {
       if (current.isLast) {
         if (__DEV__) {
           console.error("the last hunk can not expand up!");
@@ -1323,6 +1367,26 @@ export class DiffFile {
 
       delete this.#unifiedHunksLines?.[index];
 
+      this.#unifiedHunksLines![current.unifiedInfo.endHiddenIndex] = current;
+    } else if (dir === "up-all") {
+      if (current.isLast) {
+        if (__DEV__) {
+          console.error("the last hunk can not expand up!");
+        }
+        return;
+      }
+      for (let i = current.unifiedInfo.startHiddenIndex; i < current.unifiedInfo.endHiddenIndex; i++) {
+        const unifiedLine = this.#unifiedLines[i];
+        if (unifiedLine?.isHidden) unifiedLine.isHidden = false;
+      }
+      current.unifiedInfo = {
+        ...current.unifiedInfo,
+        plainText: "",
+        endHiddenIndex: current.unifiedInfo.startHiddenIndex,
+      };
+
+      delete this.#unifiedHunksLines?.[index];
+
       this.#unifiedHunksLines![current.unifiedInfo.endHiddenIndex] = current;
     }
 
diff --git a/packages/core/src/parse/diff-parse.ts b/packages/core/src/parse/diff-parse.ts
index 9ef2351..5fbc1ac 100644
--- a/packages/core/src/parse/diff-parse.ts
+++ b/packages/core/src/parse/diff-parse.ts
@@ -336,7 +336,7 @@ export class DiffParser {
     while ((c = this.parseLinePrefix(this.peek()))) {
       const line = this.readLine(false);
 
-      if (!line) {
+      if (line === null) {
         throw new Error("Expected unified diff line but reached end of diff");
       }
 
diff --git a/packages/file/index.d.ts b/packages/file/index.d.ts
index ac95b2c..fe11aaa 100644
--- a/packages/file/index.d.ts
+++ b/packages/file/index.d.ts
@@ -124,12 +124,12 @@ export declare class DiffFile {
 	getSplitLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getSplitRightLine: (index: number) => SplitLineItem;
 	getSplitHunkLine: (index: number) => DiffHunkItem;
-	onSplitHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onSplitHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	getUnifiedLine: (index: number) => UnifiedLineItem;
 	getUnifiedLineByLineNumber: (lienNumber: number, side: SplitSide) => UnifiedLineItem;
 	getUnifiedLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getUnifiedHunkLine: (index: number) => DiffHunkItem;
-	onUnifiedHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onUnifiedHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	onAllExpand: (mode: "split" | "unified") => void;
 	get hasExpandSplitAll(): boolean;
 	get hasExpandUnifiedAll(): boolean;
diff --git a/packages/file/package.json b/packages/file/package.json
index 3bd3e4f..1a982b6 100644
--- a/packages/file/package.json
+++ b/packages/file/package.json
@@ -53,7 +53,7 @@
     "diff parse"
   ],
   "dependencies": {
-    "@git-diff-view/core": "^0.0.35",
+    "@git-diff-view/core": "^0.0.36",
     "diff": "^8.0.2",
     "highlight.js": "^11.11.0",
     "lowlight": "^3.3.0",
diff --git a/packages/react/index.d.ts b/packages/react/index.d.ts
index 21011ac..ab8b963 100644
--- a/packages/react/index.d.ts
+++ b/packages/react/index.d.ts
@@ -124,12 +124,12 @@ export declare class DiffFile {
 	getSplitLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getSplitRightLine: (index: number) => SplitLineItem;
 	getSplitHunkLine: (index: number) => DiffHunkItem;
-	onSplitHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onSplitHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	getUnifiedLine: (index: number) => UnifiedLineItem;
 	getUnifiedLineByLineNumber: (lienNumber: number, side: SplitSide) => UnifiedLineItem;
 	getUnifiedLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getUnifiedHunkLine: (index: number) => DiffHunkItem;
-	onUnifiedHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onUnifiedHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	onAllExpand: (mode: "split" | "unified") => void;
 	get hasExpandSplitAll(): boolean;
 	get hasExpandUnifiedAll(): boolean;
diff --git a/packages/react/package.json b/packages/react/package.json
index 14fa54f..662bec2 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -67,7 +67,7 @@
     "react diff component"
   ],
   "dependencies": {
-    "@git-diff-view/core": "^0.0.35",
+    "@git-diff-view/core": "^0.0.36",
     "@types/hast": "^3.0.0",
     "fast-diff": "^1.3.0",
     "highlight.js": "^11.11.0",
diff --git a/packages/solid/index.d.ts b/packages/solid/index.d.ts
index 13a7de8..5136873 100644
--- a/packages/solid/index.d.ts
+++ b/packages/solid/index.d.ts
@@ -124,12 +124,12 @@ export declare class DiffFile {
 	getSplitLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getSplitRightLine: (index: number) => SplitLineItem;
 	getSplitHunkLine: (index: number) => DiffHunkItem;
-	onSplitHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onSplitHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	getUnifiedLine: (index: number) => UnifiedLineItem;
 	getUnifiedLineByLineNumber: (lienNumber: number, side: SplitSide) => UnifiedLineItem;
 	getUnifiedLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getUnifiedHunkLine: (index: number) => DiffHunkItem;
-	onUnifiedHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onUnifiedHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	onAllExpand: (mode: "split" | "unified") => void;
 	get hasExpandSplitAll(): boolean;
 	get hasExpandUnifiedAll(): boolean;
diff --git a/packages/solid/package.json b/packages/solid/package.json
index e2e8542..6fe689e 100644
--- a/packages/solid/package.json
+++ b/packages/solid/package.json
@@ -41,7 +41,7 @@
     "solid diff component"
   ],
   "dependencies": {
-    "@git-diff-view/core": "^0.0.35",
+    "@git-diff-view/core": "^0.0.36",
     "@types/hast": "^3.0.0",
     "highlight.js": "^11.11.0",
     "lowlight": "^3.3.0",
diff --git a/packages/svelte/package.json b/packages/svelte/package.json
index dc965bc..a06b16d 100644
--- a/packages/svelte/package.json
+++ b/packages/svelte/package.json
@@ -35,7 +35,7 @@
 		"./package.json": "./package.json"
 	},
 	"dependencies": {
-		"@git-diff-view/core": "^0.0.35",
+		"@git-diff-view/core": "^0.0.36",
     "@types/hast": "^3.0.0",
     "highlight.js": "^11.11.0",
     "lowlight": "^3.3.0",
diff --git a/packages/vue/index.d.ts b/packages/vue/index.d.ts
index 21daeb2..db1ab1a 100644
--- a/packages/vue/index.d.ts
+++ b/packages/vue/index.d.ts
@@ -124,12 +124,12 @@ export declare class DiffFile {
 	getSplitLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getSplitRightLine: (index: number) => SplitLineItem;
 	getSplitHunkLine: (index: number) => DiffHunkItem;
-	onSplitHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onSplitHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	getUnifiedLine: (index: number) => UnifiedLineItem;
 	getUnifiedLineByLineNumber: (lienNumber: number, side: SplitSide) => UnifiedLineItem;
 	getUnifiedLineIndexByLineNumber: (lineNumber: number, side: SplitSide) => number;
 	getUnifiedHunkLine: (index: number) => DiffHunkItem;
-	onUnifiedHunkExpand: (dir: "up" | "down" | "all", index: number, needTrigger?: boolean) => void;
+	onUnifiedHunkExpand: (dir: "up" | "down" | "all" | "up-all" | "down-all", index: number, needTrigger?: boolean) => void;
 	onAllExpand: (mode: "split" | "unified") => void;
 	get hasExpandSplitAll(): boolean;
 	get hasExpandUnifiedAll(): boolean;
diff --git a/packages/vue/package.json b/packages/vue/package.json
index b8a58b9..4310aae 100644
--- a/packages/vue/package.json
+++ b/packages/vue/package.json
@@ -41,7 +41,7 @@
     "vue diff component"
   ],
   "dependencies": {
-    "@git-diff-view/core": "^0.0.35",
+    "@git-diff-view/core": "^0.0.36",
     "@types/hast": "^3.0.0",
     "highlight.js": "^11.11.0",
     "lowlight": "^3.3.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a82cef2..a5ff737 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -107,7 +107,7 @@ importers:
   packages/cli:
     dependencies:
       '@git-diff-view/core':
-        specifier: ^0.0.35
+        specifier: ^0.0.36
         version: link:../core
       '@types/hast':
         specifier: ^3.0.0
@@ -147,7 +147,7 @@ importers:
   packages/core:
     dependencies:
       '@git-diff-view/lowlight':
-        specifier: ^0.0.35
+        specifier: ^0.0.36
         version: link:../lowlight
       fast-diff:
         specifier: ^1.3.0
@@ -168,7 +168,7 @@ importers:
   packages/file:
     dependencies:
       '@git-diff-view/core':
-        specifier: ^0.0.35
+        specifier: ^0.0.36
         version: link:../core
       diff:
         specifier: ^8.0.2
@@ -205,7 +205,7 @@ importers:
   packages/react:
     dependencies:
       '@git-diff-view/core':
-        specifier: ^0.0.35
+        specifier: ^0.0.36
         version: link:../core
       '@types/hast':
         specifier: ^3.0.0
@@ -257,7 +257,7 @@ importers:
   packages/solid:
     dependencies:
       '@git-diff-view/core':
-        specifier: ^0.0.35
+        specifier: ^0.0.36
         version: link:../core
       '@types/hast':
         specifier: ^3.0.0
@@ -303,7 +303,7 @@ importers:
   packages/svelte:
     dependencies:
       '@git-diff-view/core':
-        specifier: ^0.0.35
+        specifier: ^0.0.36
         version: link:../core
       '@types/hast':
         specifier: ^3.0.0
@@ -391,7 +391,7 @@ importers:
   packages/vue:
     dependencies:
       '@git-diff-view/core':
-        specifier: ^0.0.35
+        specifier: ^0.0.36
         version: link:../core
       '@types/hast':
         specifier: ^3.0.0
diff --git a/ui/react-example/package.json b/ui/react-example/package.json
index fe6e6e4..3b3ac68 100644
--- a/ui/react-example/package.json
+++ b/ui/react-example/package.json
@@ -4,7 +4,7 @@
   "version": "0.0.0",
   "type": "module",
   "scripts": {
-    "dev": "vite",
+    "dev": "vite --force",
     "build": "tsc && vite build",
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "preview": "vite preview"