🐛 Fixes

ios/Flutter/Debug.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"

ios/Flutter/Release.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"

lib/solver_service.dart

@@ -175,7 +175,7 @@ class SolverService {
       CalculationStep(
         title: '第二步：选择解法',
         explanation: '无法进行因式分解，我们选择使用求根公式法。',
-        formula: r'\$\$\Delta = b^2 - 4ac\$\$',
+        formula: '\$\$\\Delta = b^2 - 4ac\$\$',
       ),
     );
 
@@ -184,8 +184,8 @@ class SolverService {
       CalculationStep(
         title: '第三步：计算判别式 (Delta)',
         explanation:
-            '\$\$\Delta = b^2 - 4ac = ($b)^2 - 4 \cdot ($a) \cdot ($c) = $delta\$\$',
+            '\$\$\\Delta = b^2 - 4ac = ($b)^2 - 4 \\cdot ($a) \\cdot ($c) = $delta\$\$',
-        formula: '\$\$\Delta = $delta\$\$',
+        formula: '\$\$\\Delta = $delta\$\$',
       ),
     );
 
@@ -198,13 +198,13 @@ class SolverService {
           explanation:
               r'因为 $\Delta > 0$，方程有两个不相等的实数根。公式: $x = \frac{-b \pm \sqrt{\Delta}}{2a}$。',
           formula:
-              '\$\$x_1 = ${x1.toStringAsFixed(4)}, \quad x_2 = ${x2.toStringAsFixed(4)}\$\$',
+              '\$\$x_1 = ${x1.toStringAsFixed(4)}, \\quad x_2 = ${x2.toStringAsFixed(4)}\$\$',
         ),
       );
       return CalculationResult(
         steps: steps,
         finalAnswer:
-            '\$\$x_1 = ${x1.toStringAsFixed(4)}, \quad x_2 = ${x2.toStringAsFixed(4)}\$\$',
+            '\$\$x_1 = ${x1.toStringAsFixed(4)}, \\quad x_2 = ${x2.toStringAsFixed(4)}\$\$',
       );
     } else if (delta == 0) {
       final x = -b / (2 * a);
@@ -250,7 +250,7 @@ class SolverService {
         formula:
             '''
 
-egin{cases}
+\\begin{cases}
 ${a1}x ${b1 >= 0 ? '+' : ''} ${b1}y = $c1 & (1) \\
 ${a2}x ${b2 >= 0 ? '+' : ''} ${b2}y = $c2 & (2)
 \\end{cases}
@@ -277,7 +277,7 @@ ${a2}x ${b2 >= 0 ? '+' : ''} ${b2}y = $c2 & (2)
         formula:
             '''
 
-egin{cases}
+\\begin{cases}
 ${newA1}x ${b1 * b2 >= 0 ? '+' : ''} ${b1 * b2}y = $newC1 & (3) \\
 ${newA2}x ${b1 * b2 >= 0 ? '+' : ''} ${b1 * b2}y = $newC2 & (4)
 \\end{cases}

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,8 @@
 import FlutterMacOS
 import Foundation
 
+import path_provider_foundation
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
 }

pubspec.lock

@@ -49,6 +49,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.19.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: "1e445881f28f22d6140f181e07737b22f1e099a5e1ff94b0af2f9e4a463f4855"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.6"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -65,6 +73,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "289279317b4b16eb2bb7e271abccd4bf84ec9bdcbe999e278a94b804f5630418"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -99,6 +115,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  google_fonts:
+    dependency: "direct main"
+    description:
+      name: google_fonts
+      sha256: ebc94ed30fd13cefd397cb1658b593f21571f014b7d1197eeb41fb95f05d899a
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.1"
   http:
     dependency: transitive
     description:
@@ -211,6 +235,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.5"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "993381400e94d18469750e5b9dcb8206f15bc09f9da86b9e44a9b0092a0066db"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.18"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "16eef174aacb07e09c351502740fa6254c165757638eba1e9116b0a781201bbd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
   petitparser:
     dependency: transitive
     description:
@@ -219,6 +291,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.1.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.6"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   provider:
     dependency: transitive
     description:
@@ -344,6 +432,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   xml:
     dependency: transitive
     description:

pubspec.yaml

@@ -36,6 +36,7 @@ dependencies:
   cupertino_icons: ^1.0.8
   math_expressions: ^3.0.0
   latext: ^0.5.1
+  google_fonts: ^6.3.1
 
 dev_dependencies:
   flutter_test: