diff --git a/CustomKeyboard/Model/KBKey.h b/CustomKeyboard/Model/KBKey.h
index 3a8c1ed..44bcdda 100644
--- a/CustomKeyboard/Model/KBKey.h
+++ b/CustomKeyboard/Model/KBKey.h
@@ -16,7 +16,8 @@ typedef NS_ENUM(NSInteger, KBKeyType) {
     KBKeyTypeSpace,           // 空格
     KBKeyTypeReturn,          // 回车/发送
     KBKeyTypeGlobe,           // 系统地球键
-    KBKeyTypeCustom           // 自定义功能占位
+    KBKeyTypeCustom,          // 自定义功能占位
+    KBKeyTypeSymbolsToggle    // 数字面板内的“#+=/123”切换
 };
 
 @interface KBKey : NSObject
diff --git a/CustomKeyboard/View/KBKeyboardView.h b/CustomKeyboard/View/KBKeyboardView.h
index d81b3dc..e3487ac 100644
--- a/CustomKeyboard/View/KBKeyboardView.h
+++ b/CustomKeyboard/View/KBKeyboardView.h
@@ -25,6 +25,8 @@ typedef NS_ENUM(NSInteger, KBKeyboardLayoutStyle) {
 @property (nonatomic, weak) id<KBKeyboardViewDelegate> delegate;
 @property (nonatomic, assign) KBKeyboardLayoutStyle layoutStyle; // 布局样式（字母/数字）
 @property (nonatomic, assign, getter=isShiftOn) BOOL shiftOn;    // 大小写状态
+// 在数字布局中，是否显示“更多符号”(#+=)页
+@property (nonatomic, assign) BOOL symbolsMoreOn;
 
 - (void)reloadKeys; // 当布局样式/大小写变化时调用
 
diff --git a/CustomKeyboard/View/KBKeyboardView.m b/CustomKeyboard/View/KBKeyboardView.m
index 622d270..f822001 100644
--- a/CustomKeyboard/View/KBKeyboardView.m
+++ b/CustomKeyboard/View/KBKeyboardView.m
@@ -23,12 +23,21 @@
         _layoutStyle = KBKeyboardLayoutStyleLetters;
         // 默认小写：与需求一致，初始不开启 Shift
         _shiftOn = NO;
+        _symbolsMoreOn = NO; // 数字面板默认第一页（123）
         [self buildBase];
         [self reloadKeys];
     }
     return self;
 }
 
+// 当切换大布局（字母/数字）时，重置数字二级页状态
+- (void)setLayoutStyle:(KBKeyboardLayoutStyle)layoutStyle {
+    _layoutStyle = layoutStyle;
+    if (_layoutStyle != KBKeyboardLayoutStyleNumbers) {
+        _symbolsMoreOn = NO;
+    }
+}
+
 - (void)buildBase {
     [self addSubview:self.row1];
     [self addSubview:self.row2];
@@ -77,29 +86,44 @@
 - (NSArray<NSArray<KBKey *> *> *)buildKeysForCurrentLayout {
     if (self.layoutStyle == KBKeyboardLayoutStyleNumbers) {
         // 数字/符号布局：3 行主键 + 底部控制行
-        NSArray *r1 = @[
-            [KBKey keyWithTitle:@"1" output:@"1"], [KBKey keyWithTitle:@"2" output:@"2"], [KBKey keyWithTitle:@"3" output:@"3"],
-            [KBKey keyWithTitle:@"4" output:@"4"], [KBKey keyWithTitle:@"5" output:@"5"], [KBKey keyWithTitle:@"6" output:@"6"],
-            [KBKey keyWithTitle:@"7" output:@"7"], [KBKey keyWithTitle:@"8" output:@"8"], [KBKey keyWithTitle:@"9" output:@"9"], [KBKey keyWithTitle:@"0" output:@"0"],
-        ];
-        NSArray *r2 = @[
-            [KBKey keyWithTitle:@"-" output:@"-"], [KBKey keyWithTitle:@"/" output:@"/"], [KBKey keyWithTitle:@":" output:@":"],
-            [KBKey keyWithTitle:@";" output:@";"], [KBKey keyWithTitle:@"(" output:@"("], [KBKey keyWithTitle:@")" output:@")"],
-            [KBKey keyWithTitle:@"$" output:@"$"], [KBKey keyWithTitle:@"&" output:@"&"], [KBKey keyWithTitle:@"@" output:@"@"], [KBKey keyWithTitle:@"\"" output:@"\""],
-        ];
-        NSArray *r3 = @[
-            [KBKey keyWithTitle:@"#+=" type:KBKeyTypeModeChange],
-            [KBKey keyWithTitle:@"," output:@","], [KBKey keyWithTitle:@"." output:@"."], [KBKey keyWithTitle:@"?" output:@"?"],
-            [KBKey keyWithTitle:@"!" output:@"!"], [KBKey keyWithTitle:@"'" output:@"'"],
-            [KBKey keyWithTitle:@"⌫" type:KBKeyTypeBackspace],
-        ];
-        NSArray *r4 = @[
-            [KBKey keyWithTitle:@"ABC" type:KBKeyTypeModeChange],
-            [KBKey keyWithTitle:@"," output:@","],
-            [KBKey keyWithTitle:@"space" type:KBKeyTypeSpace],
-            [KBKey keyWithTitle:@"中/英" type:KBKeyTypeCustom],
-            [KBKey keyWithTitle:@"发送" type:KBKeyTypeReturn],
-        ];
+        NSArray *r1 = nil;
+        NSArray *r2 = nil;
+        NSArray *r3 = nil;
+
+        if (!self.symbolsMoreOn) {
+            // 数字第一页（123）
+            r1 = @[ [KBKey keyWithTitle:@"1" output:@"1"], [KBKey keyWithTitle:@"2" output:@"2"], [KBKey keyWithTitle:@"3" output:@"3"],
+                    [KBKey keyWithTitle:@"4" output:@"4"], [KBKey keyWithTitle:@"5" output:@"5"], [KBKey keyWithTitle:@"6" output:@"6"],
+                    [KBKey keyWithTitle:@"7" output:@"7"], [KBKey keyWithTitle:@"8" output:@"8"], [KBKey keyWithTitle:@"9" output:@"9"], [KBKey keyWithTitle:@"0" output:@"0"] ];
+            r2 = @[ [KBKey keyWithTitle:@"-" output:@"-"], [KBKey keyWithTitle:@"/" output:@"/"], [KBKey keyWithTitle:@":" output:@":"],
+                    [KBKey keyWithTitle:@";" output:@";"], [KBKey keyWithTitle:@"(" output:@"("], [KBKey keyWithTitle:@")" output:@")"],
+                    [KBKey keyWithTitle:@"$" output:@"$"], [KBKey keyWithTitle:@"&" output:@"&"], [KBKey keyWithTitle:@"@" output:@"@"], [KBKey keyWithTitle:@"\"" output:@"\""] ];
+            r3 = @[ [KBKey keyWithTitle:@"#+=" type:KBKeyTypeSymbolsToggle],
+                    [KBKey keyWithTitle:@"," output:@","], [KBKey keyWithTitle:@"." output:@"."], [KBKey keyWithTitle:@"?" output:@"?"],
+                    [KBKey keyWithTitle:@"!" output:@"!"], [KBKey keyWithTitle:@"'" output:@"'"],
+                    [KBKey keyWithTitle:@"⌫" type:KBKeyTypeBackspace] ];
+        } else {
+            // 数字第二页（#+=）：前两行替换为更多符号，左下角按钮文案改为“123”
+            r1 = @[ [KBKey keyWithTitle:@"[" output:@"["], [KBKey keyWithTitle:@"]" output:@"]"], [KBKey keyWithTitle:@"{" output:@"{"],
+                    [KBKey keyWithTitle:@"}" output:@"}"], [KBKey keyWithTitle:@"#" output:@"#"], [KBKey keyWithTitle:@"%" output:@"%"],
+                    [KBKey keyWithTitle:@"^" output:@"^"], [KBKey keyWithTitle:@"*" output:@"*"], [KBKey keyWithTitle:@"+" output:@"+"],
+                    [KBKey keyWithTitle:@"=" output:@"="] ];
+            r2 = @[ [KBKey keyWithTitle:@"_" output:@"_"], [KBKey keyWithTitle:@"\\" output:@"\\"], [KBKey keyWithTitle:@"|" output:@"|"],
+                    [KBKey keyWithTitle:@"~" output:@"~"], [KBKey keyWithTitle:@"<" output:@"<"], [KBKey keyWithTitle:@">" output:@">"],
+                    [KBKey keyWithTitle:@"$" output:@"$"], [KBKey keyWithTitle:@"€" output:@"€"], [KBKey keyWithTitle:@"£" output:@"£"],
+                    [KBKey keyWithTitle:@"•" output:@"•"] ];
+            r3 = @[ [KBKey keyWithTitle:@"123" type:KBKeyTypeSymbolsToggle],
+                    [KBKey keyWithTitle:@"," output:@","], [KBKey keyWithTitle:@"." output:@"."], [KBKey keyWithTitle:@"?" output:@"?"],
+                    [KBKey keyWithTitle:@"!" output:@"!"], [KBKey keyWithTitle:@"'" output:@"'"],
+                    [KBKey keyWithTitle:@"⌫" type:KBKeyTypeBackspace] ];
+        }
+
+        NSArray *r4 = @[ [KBKey keyWithTitle:@"ABC" type:KBKeyTypeModeChange],
+                         [KBKey keyWithTitle:@"," output:@","],
+                         [KBKey keyWithTitle:@"space" type:KBKeyTypeSpace],
+                         [KBKey keyWithTitle:@"中/英" type:KBKeyTypeCustom],
+                         [KBKey keyWithTitle:@"发送" type:KBKeyTypeReturn] ];
+
         return @[r1, r2, r3, r4];
     }
 
@@ -251,6 +275,12 @@
         [self reloadKeys];
         return;
     }
+    if (key.type == KBKeyTypeSymbolsToggle) {
+        // 在数字布局内切换 123 <-> #+=
+        self.symbolsMoreOn = !self.symbolsMoreOn;
+        [self reloadKeys];
+        return;
+    }
     if ([self.delegate respondsToSelector:@selector(keyboardView:didTapKey:)]) {
         [self.delegate keyboardView:self didTapKey:key];
     }