diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index c863d2c6..19fb8b22 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -3991,7 +3991,7 @@
     },
     "000106": {
         "id": "000106",
-        "content": "填空题:\\\\\n(1) 在$\\triangle ABC$中, 若$a^2+b^2+ab=c^2$, 则$C=$\\blank{50};\\\\\n(2) 若$\\sin \\theta =a$, $\\cos \\theta =-2a$, 且$\\theta$为第四象限的角, 则实数$a=$\\blank{50}.\\\\",
+        "content": "填空题:\\\\\n(1) 在$\\triangle ABC$中, 若$a^2+b^2+ab=c^2$, 则$C=$\\blank{50};\\\\\n(2) 若$\\sin \\theta =a$, $\\cos \\theta =-2a$, 且$\\theta$为第四象限的角, 则实数$a=$\\blank{50}.",
         "objs": [
             "K0315003B",
             "K0305001B"
@@ -4006,7 +4006,8 @@
         "usages": [],
         "origin": "教材复习题",
         "edit": [
-            "20220624\t王伟叶, 余利成"
+            "20220624\t王伟叶, 余利成",
+            "20240208\t王伟叶"
         ],
         "same": [],
         "related": [],
@@ -4251,7 +4252,7 @@
     },
     "000115": {
         "id": "000115",
-        "content": "(1) 完成下表($\\theta$为弧度数):\n\\begin{center}\n\\begin{tabular}{|c|p{.15\\textwidth}<{\\centering}|p{.15\\textwidth}<{\\centering}|p{.15\\textwidth}<{\\centering}|p{.15\\textwidth}<{\\centering}|p{.15\\textwidth}<{\\centering}|}\n    \\hline\n    $\\theta$ & $1$ & $0.5$ & $0.1$ & $0.01$ & $0.001$\\\\ \\hline\n    $\\sin\\theta$ & & & & &\\\\ \\hline\n    $\\dfrac{\\sin\\theta}{\\theta}$ & & & & &\\\\ \\hline\n\\end{tabular}\n\\end{center}\n(2) 观察上表中的数据, 你能发现什么规律?\\\\\n(3) 已知$0<\\theta <\\dfrac \\pi 2$, 利用图形面积公式证明$\\sin \\theta <\\theta <\\tan \\theta$, 并应用该公式说明(2)中猜想的合理性.",
+        "content": "(1) 完成下表($\\theta$为弧度数):\n\\begin{center}\n\\begin{tabular}{|c|p{.12\\textwidth}<{\\centering}|p{.12\\textwidth}<{\\centering}|p{.12\\textwidth}<{\\centering}|p{.12\\textwidth}<{\\centering}|p{.12\\textwidth}<{\\centering}|}\n    \\hline\n    $\\theta$ & $1$ & $0.5$ & $0.1$ & $0.01$ & $0.001$\\\\ \\hline\n    $\\sin\\theta$ & & & & &\\\\ \\hline\n    $\\dfrac{\\sin\\theta}{\\theta}$ & & & & &\\\\ \\hline\n\\end{tabular}\n\\end{center}\n(2) 观察上表中的数据, 你能发现什么规律?\\\\\n(3) 已知$0<\\theta <\\dfrac \\pi 2$, 利用图形面积公式证明$\\sin \\theta <\\theta <\\tan \\theta$, 并应用该公式说明(2)中猜想的合理性.",
         "objs": [
             "K0302002B"
         ],
@@ -4265,7 +4266,8 @@
         "usages": [],
         "origin": "教材复习题",
         "edit": [
-            "20220624\t王伟叶, 余利成"
+            "20220624\t王伟叶, 余利成",
+            "20240208\t王伟叶"
         ],
         "same": [],
         "related": [],
@@ -4285,7 +4287,7 @@
             "J20240513-第一轮复习讲义13解三角形"
         ],
         "genre": "解答题",
-        "ans": "(1) \\textcircled{1} $B$不存在, \\textcircled{2} $B=90^\\circ$, \\textcircled{3} $B=\\arcsin\\dfrac 9{13}$或$\\pi-\\arcsin \\dfrac 9{13}$, \\textcircled{4} $B=30^\\circ$, \\textcircled{5} $B=\\arcsin\\dfrac 9{44}$; (2) 当$0<a<9$时, 无解; 当$a=9$或$a\\ge 18$时, 一解; 当$9<a<18$时, 两解.",
+        "ans": "(1) \\textcircled{1} $B$不存在, \\textcircled{2} $B=90^\\circ$, \\textcircled{3} $B=\\arcsin\\dfrac 9{13}$或$\\pi-\\arcsin \\dfrac 9{13}$, \\textcircled{4} $B=30^\\circ$, \\textcircled{5} $B=\\arcsin\\dfrac 9{22}$; (2) 当$0<a<9$时, 无解; 当$a=9$或$a\\ge 18$时, 一解; 当$9<a<18$时, 两解.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -4311,7 +4313,8 @@
         ],
         "origin": "教材复习题",
         "edit": [
-            "20220624\t王伟叶, 余利成"
+            "20220624\t王伟叶, 余利成",
+            "20240208\t王伟叶"
         ],
         "same": [
             "008210"