diff --git a/工具/文本文件/metadata.txt b/工具/文本文件/metadata.txt
index cbf54d2a..68b80a2f 100644
--- a/工具/文本文件/metadata.txt
+++ b/工具/文本文件/metadata.txt
@@ -1215,9 +1215,257 @@ $6+\sqrt{15}$
 
 
 040282
-(1) $b=1,c=\sqrt{13}$;\\
-(2) 等腰三角形或直角三角形
+$(1)b=1,c=\sqrt{13}$;\\
+$(2)$等腰三角形或直角三角形
 
 
+040283
+$S=T$
+
+
+040336
+$-\dfrac {24}{25}$
+
+
+040337
+$\dfrac{\sqrt{3}}2$
+
+
+040338
+$2$
+
+
+040339
+$2\sin(\alpha+\dfrac 23 \pi)$
+
+
+040340
+$-\dfrac 12$
+
+
+040341
+$-4$
+
+
+040342
+$\{\dfrac {23}{12}\pi,\dfrac{7}{12}\pi\}$
+
+
+040343
+$3$
+
+
+040344
+$-\dfrac 12$
+
+
+040345
+B
+
+
+040346
+C
+
+
+040347
+A
+
+
+040348
+(1)$\dfrac 13$\\
+(2)$\dfrac{\pi}4$
+
+
+040349
+(1)$2k$;\\
+(2)$10k$;\\
+(3)$\dfrac2{25}\sqrt{5}$
+
+
+040350
+$-\dfrac 13$
+
+
+040351
+$x=2k\pi+\dfrac{\pi}2,k \in \mathbb{Z}$
+
+
+040352
+$\pi$
+
+
+040353
+$-\dfrac 45$
+
+
+040354
+$\{x|k\pi \leq x < k\pi+\dfrac{\pi}2,k \in \mathbb{Z}\}$
+
+
+040355
+$-2$
+
+
+040356
+$\{0,\pi,-\dfrac{\pi}3,\dfrac{\pi}3,\dfrac 53 \pi\}$
+
+
+040357
+$(1,+\infty)$
+
+
+040358
+$[2^{-\dfrac 14},4]$
+
+
+040359
+$[0,\dfrac 23\pi]$
+
+
+040360
+$\dfrac {\pi}6$
+
+
+040361
+$16$
+
+
+040362
+D
+
+
+040363
+B
+
+
+040364
+(1)$\omega =2$，定义域为$\{x|x\neq \dfrac{k\pi}2+\dfrac{\pi}8,k \in \mathbb{Z}\}$\\
+(2)$\dfrac 43$
+
+
+040365
+(1)$500\sqrt{7}$\\
+(2)55706元
+
+
+040366
+(1)$x \leq \log_2 3$\\
+(2)$k \in [\dfrac{225}{271},\dfrac{19}9)$
+
+
+040367
+(1)$m=2$\\
+(2)在$(-2,2)$上严格减\\
+(3)$\dfrac {13}4$
+
+
+040396
+$\{x|2k\pi+\dfrac{\pi}4<x<2k\pi+\dfrac 34 \pi, k\in \mathbb{Z} \}$
+
+
+040397
+$\{x|2k\pi+\dfrac{\pi}4 \leq x \leq 2k\pi+\dfrac 54 \pi, k\in \mathbb{Z} \}$
+
+
+040398
+$[k\pi+\dfrac{\pi}{4},k\pi+\dfrac 34 \pi],k \in \mathbb{Z}$
+
+
+040399
+$[4k\pi-\dfrac 83 \pi,4k\pi-\dfrac 23 \pi],k \in \mathbb{Z}$
+
+
+040400
+$[2k\pi-\dfrac {\pi}3 ,2k\pi+\dfrac {\pi}6],k \in \mathbb{Z}$
+
+
+040401
+$\{x|x=k\pi-\dfrac 38\pi,k \in \mathbb{Z}\}$
+
+
+040402
+$(-\dfrac 14,2]$
+
+
+040403
+$[-1,2]$
+
+
+040404
+$3,\dfrac{\pi}3$
+
+
+040405
+$y=3\cos(2x+\dfrac{\pi}3)$
+
+
+040406
+$\dfrac 12\sin(2x-\dfrac{\pi}2)+1$
+
+
+040407
+$[\dfrac{197}2 \pi,\dfrac{201}2 \pi)$
+
+
+040408
+$(0,\dfrac 32]$
+
+
+040409
+$[0,\sqrt{2}+\dfrac 32]$
+
+
+040410
+(1)$f(x)=2\sin(\dfrac{\pi}4x+\dfrac{\pi}4)$\\
+(2)$x=-\dfrac 23$时，取最大值为$\sqrt{6}$;$x=-4$时，取最小值为$-2\sqrt{2}$
+
+
+040411
+$199$个
+
+
+040412
+(1)$T=\pi$\\
+(2)非奇非偶函数\\
+(3)增区间为$[k\pi-\dfrac{\pi}3,k\pi+\dfrac{\pi}6],k\in \mathbb{Z}$,减区间为$[k\pi+\dfrac{\pi}{6},k\pi+\dfrac 23\pi],k\in \mathbb{Z}$\\
+(4)$y_{min}=1,x=\dfrac{\pi}2;y_{max}=\dfrac 52,x=\dfrac{\pi}6$
+
+
+040413
+$-1-\sqrt{2}<a<1+\sqrt{2}$
+
+
+040414
+$2$
+
+
+040415
+$[2k-1,2k],k \in \mathbb{Z}$
+
+
+040416
+$\dfrac{\pi}2$
+
+
+040417
+$[0,\dfrac 38 \pi]$和$[\dfrac 78 \pi, \pi]$
+
+
+040418
+$\pm \dfrac{\pi}2$
+
+
+040419
+$y=\sin(4x)$
+
+
+040420
+(1)$\dfrac{\pi}6$\\
+(2)$\sqrt{3}$
+
+
+040421
+(1)最小正周期为$\pi$，单调减区间为$[k\pi+\dfrac{\pi}{12},k\pi+\dfrac 7{12}\pi],k \in \mathbb{Z}$\\
+(2)$y_{max}=\sqrt{3},x=\dfrac{\pi}6$时取；$y_{min}=-2,x=\dfrac 7{12}\pi$时取
 
 
diff --git a/工具/题号选题pdf生成.py b/工具/题号选题pdf生成.py
index 348f755a..7689714d 100644
--- a/工具/题号选题pdf生成.py
+++ b/工具/题号选题pdf生成.py
@@ -7,7 +7,7 @@ import os,re,time,json,sys
 """---设置题目列表---"""
 #留空为编译全题库, a为读取文本文件中的题号筛选.txt文件生成题库
 problems = r"""
-a
+
 """
 """---设置题目列表结束---"""
 
diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index c110c139..b83d2bc8 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -530856,7 +530856,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "(1) $b=1,c=\\sqrt{13}$;\\\\\n(2) 等腰三角形或直角三角形",
+        "ans": "$(1)b=1,c=\\sqrt{13}$;\\\\\n$(2)$等腰三角形或直角三角形",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -530876,7 +530876,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$S=T$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -531938,7 +531938,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac {24}{25}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -531958,7 +531958,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{\\sqrt{3}}2$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -531978,7 +531978,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$2$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -531998,7 +531998,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$2\\sin(\\alpha+\\dfrac 23 \\pi)$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532018,7 +532018,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac 12$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532038,7 +532038,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-4$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532058,7 +532058,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\{\\dfrac {23}{12}\\pi,\\dfrac{7}{12}\\pi\\}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532078,7 +532078,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$3$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532098,7 +532098,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac 12$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532118,7 +532118,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "B",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532138,7 +532138,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "C",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532158,7 +532158,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "A",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532178,7 +532178,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)$\\dfrac 13$\\\\\n(2)$\\dfrac{\\pi}4$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532198,7 +532198,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)$2k$;\\\\\n(2)$10k$;\\\\\n(3)$\\dfrac2{25}\\sqrt{5}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532218,7 +532218,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac 13$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532238,7 +532238,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$x=2k\\pi+\\dfrac{\\pi}2,k \\in \\mathbb{Z}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532258,7 +532258,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\pi$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532278,7 +532278,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac 45$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532298,7 +532298,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\{x|k\\pi \\leq x < k\\pi+\\dfrac{\\pi}2,k \\in \\mathbb{Z}\\}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532318,7 +532318,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-2$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532338,7 +532338,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\{0,\\pi,-\\dfrac{\\pi}3,\\dfrac{\\pi}3,\\dfrac 53 \\pi\\}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532358,7 +532358,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$(1,+\\infty)$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532380,7 +532380,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$[2^{-\\dfrac 14},4]$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532400,7 +532400,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$[0,\\dfrac 23\\pi]$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -532438,7 +532438,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac {\\pi}6$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532458,7 +532458,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$16$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532478,7 +532478,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "D",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532498,7 +532498,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "B",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532518,7 +532518,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)$\\omega =2$，定义域为$\\{x|x\\neq \\dfrac{k\\pi}2+\\dfrac{\\pi}8,k \\in \\mathbb{Z}\\}$\\\\\n(2)$\\dfrac 43$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532538,7 +532538,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)$500\\sqrt{7}$\\\\\n(2)55706元",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532558,7 +532558,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)$x \\leq \\log_2 3$\\\\\n(2)$k \\in [\\dfrac{225}{271},\\dfrac{19}9)$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -532578,7 +532578,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)$m=2$\\\\\n(2)在$(-2,2)$上严格减\\\\\n(3)$\\dfrac {13}4$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533160,7 +533160,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\{x|2k\\pi+\\dfrac{\\pi}4<x<2k\\pi+\\dfrac 34 \\pi, k\\in \\mathbb{Z} \\}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533180,7 +533180,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\{x|2k\\pi+\\dfrac{\\pi}4 \\leq x \\leq 2k\\pi+\\dfrac 54 \\pi, k\\in \\mathbb{Z} \\}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533202,7 +533202,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$[k\\pi+\\dfrac{\\pi}{4},k\\pi+\\dfrac 34 \\pi],k \\in \\mathbb{Z}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533222,7 +533222,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$[4k\\pi-\\dfrac 83 \\pi,4k\\pi-\\dfrac 23 \\pi],k \\in \\mathbb{Z}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533242,7 +533242,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$[2k\\pi-\\dfrac {\\pi}3 ,2k\\pi+\\dfrac {\\pi}6],k \\in \\mathbb{Z}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533262,7 +533262,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\{x|x=k\\pi-\\dfrac 38\\pi,k \\in \\mathbb{Z}\\}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533282,7 +533282,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$(-\\dfrac 14,2]$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533302,7 +533302,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$[-1,2]$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533322,7 +533322,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$3,\\dfrac{\\pi}3$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533342,7 +533342,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$y=3\\cos(2x+\\dfrac{\\pi}3)$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533362,7 +533362,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac 12\\sin(2x-\\dfrac{\\pi}2)+1$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533382,7 +533382,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$[\\dfrac{197}2 \\pi,\\dfrac{201}2 \\pi)$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533402,7 +533402,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$(0,\\dfrac 32]$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533422,7 +533422,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$[0,\\sqrt{2}+\\dfrac 32]$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533442,7 +533442,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)$f(x)=2\\sin(\\dfrac{\\pi}4x+\\dfrac{\\pi}4)$\\\\\n(2)$x=-\\dfrac 23$时，取最大值为$\\sqrt{6}$;$x=-4$时，取最小值为$-2\\sqrt{2}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533462,7 +533462,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$199$个",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533482,7 +533482,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)$T=\\pi$\\\\\n(2)非奇非偶函数\\\\\n(3)增区间为$[k\\pi-\\dfrac{\\pi}3,k\\pi+\\dfrac{\\pi}6],k\\in \\mathbb{Z}$,减区间为$[k\\pi+\\dfrac{\\pi}{6},k\\pi+\\dfrac 23\\pi],k\\in \\mathbb{Z}$\\\\\n(4)$y_{min}=1,x=\\dfrac{\\pi}2;y_{max}=\\dfrac 52,x=\\dfrac{\\pi}6$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533502,7 +533502,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$-1-\\sqrt{2}<a<1+\\sqrt{2}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533522,7 +533522,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$2$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533542,7 +533542,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$[2k-1,2k],k \\in \\mathbb{Z}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533562,7 +533562,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{\\pi}2$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -533597,7 +533597,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$[0,\\dfrac 38 \\pi]$和$[\\dfrac 78 \\pi, \\pi]$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533617,7 +533617,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\pm \\dfrac{\\pi}2$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533637,7 +533637,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$y=\\sin(4x)$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533657,7 +533657,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)$\\dfrac{\\pi}6$\\\\\n(2)$\\sqrt{3}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -533677,7 +533677,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1)最小正周期为$\\pi$，单调减区间为$[k\\pi+\\dfrac{\\pi}{12},k\\pi+\\dfrac 7{12}\\pi],k \\in \\mathbb{Z}$\\\\\n(2)$y_{max}=\\sqrt{3},x=\\dfrac{\\pi}6$时取；$y_{min}=-2,x=\\dfrac 7{12}\\pi$时取",
         "solution": "",
         "duration": -1,
         "usages": [],