fix: 增加log日志

app/Services/DiagnosticChapterService.php

@@ -398,8 +398,11 @@ class DiagnosticChapterService
                 Log::info('DiagnosticChapterService: 找到当前学习章节', [
                     'textbook_id' => $textbookId,
                     'student_id' => $studentId,
+                    'student_id_type' => gettype($studentId),
                     'chapter_id' => $chapter->id,
+                    'chapter_name' => $chapter->name ?? '',
                     'has_diagnostic' => $hasDiagnostic,
+                    'kp_codes' => $kpCodes, // 显示实际的知识点列表
                     'kp_count' => count($kpCodes),
                 ]);
 
@@ -506,6 +509,14 @@ class DiagnosticChapterService
             ->pluck('mastery_level', 'kp_code')
             ->toArray();
 
+        // 【调试】记录查询到的掌握度
+        Log::info('DiagnosticChapterService: 查询掌握度结果', [
+            'student_id' => $studentId,
+            'student_id_type' => gettype($studentId),
+            'input_kp_codes' => $kpCodes,
+            'found_levels' => $levels,
+        ]);
+
         // 获取每个知识点的题目数量
         $questionCounts = \App\Models\Question::query()
             ->whereIn('kp_code', $kpCodes)
@@ -526,6 +537,14 @@ class DiagnosticChapterService
 
             // 检查是否达标
             $level = isset($levels[$kpCode]) ? (float) $levels[$kpCode] : 0.0;
+            $isMastered = $level >= $threshold;
+            Log::info("DiagnosticChapterService: 检查知识点", [
+                'kp_code' => $kpCode,
+                'level' => $level,
+                'threshold' => $threshold,
+                'is_mastered' => $isMastered,
+                'level_found_in_db' => isset($levels[$kpCode]),
+            ]);
             if ($level >= $threshold) {
                 continue;
             }
@@ -547,8 +566,9 @@ class DiagnosticChapterService
 
         Log::info('DiagnosticChapterService: 获取未达标知识点', [
             'student_id' => $studentId,
-            'input_kp_count' => count($kpCodes),
-            'result_kp_count' => count($result),
+            'input_kp_codes' => $kpCodes,
+            'result_kp_codes' => $result,
+            'levels_found' => $levels,
             'total_questions' => $totalQuestions,
             'threshold' => $threshold,
         ]);