diff --git a/src/components/Issues.jsx b/src/components/Issues.jsx
index f7e09a3..cd3d51d 100644
--- a/src/components/Issues.jsx
+++ b/src/components/Issues.jsx
@@ -1,10 +1,10 @@
 import { useContext, useState, useEffect } from "react";
 import { Collapse, Badge } from "@douyinfe/semi-ui";
 import { TypeContext } from "../pages/Editor";
-import { validateDiagram } from "../utils/toSQL";
+import { arrayIsEqual } from "../utils/utils";
+import { getIssues } from "../utils/issues";
 import useSettings from "../hooks/useSettings";
 import useTables from "../hooks/useTables";
-import { arrayIsEqual } from "../utils/utils";
 
 export default function Issues() {
   const { settings } = useSettings();
@@ -14,7 +14,7 @@ export default function Issues() {
 
   useEffect(() => {
     const findIssues = async () => {
-      const newIssues = validateDiagram({
+      const newIssues = getIssues({
         tables: tables,
         relationships: relationships,
         types: types,
diff --git a/src/utils/issues.js b/src/utils/issues.js
new file mode 100644
index 0000000..7cc3459
--- /dev/null
+++ b/src/utils/issues.js
@@ -0,0 +1,244 @@
+function validateDateStr(str) {
+  return /^(?!0000)(?!00)(?:(?!0000)[0-9]{4}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-9]|3[01])|(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31))$/.test(
+    str
+  );
+}
+
+function checkDefault(field) {
+  if (field.default === "") return true;
+
+  switch (field.type) {
+    case "INT":
+    case "BIGINT":
+    case "SMALLINT":
+      return /^-?\d*$/.test(field.default);
+    case "ENUM":
+    case "SET":
+      return field.values.includes(field.default);
+    case "CHAR":
+    case "VARCHAR":
+      return field.default.length <= field.size;
+    case "BINARY":
+    case "VARBINARY":
+      return (
+        field.default.length <= field.size && /^[01]+$/.test(field.default)
+      );
+    case "BOOLEAN":
+      return (
+        field.default.trim() === "false" || field.default.trim() === "true"
+      );
+    case "FLOAT":
+    case "DECIMAL":
+    case "DOUBLE":
+    case "NUMERIC":
+    case "REAL":
+      return /^-?\d*.?\d+$/.test(field.default);
+    case "DATE":
+      return validateDateStr(field.default);
+    case "TIME":
+      return /^(?:[01]?\d|2[0-3]):[0-5]?\d:[0-5]?\d$/.test(field.default);
+    case "TIMESTAMP": {
+      if (field.default.toUpperCase() === "CURRENT_TIMESTAMP") {
+        return true;
+      }
+      if (!/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/.test(field.default)) {
+        return false;
+      }
+      const content = field.default.split(" ");
+      const date = content[0].split("-");
+
+      return parseInt(date[0]) >= 1970 && parseInt(date[0]) <= 2038;
+    }
+    case "DATETIME": {
+      if (!/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/.test(field.default)) {
+        return false;
+      }
+      const c = field.default.split(" ");
+      const d = c[0].split("-");
+
+      return parseInt(d[0]) >= 1000 && parseInt(d[0]) <= 9999;
+    }
+    default:
+      return true;
+  }
+}
+
+function getIssues(diagram) {
+  const issues = [];
+  const duplicateTableNames = {};
+
+  diagram.tables.forEach((table) => {
+    if (table.name === "") {
+      issues.push(`Declared a table with no name`);
+    }
+
+    if (duplicateTableNames[table.name]) {
+      issues.push(`Duplicate table by the name "${table.name}"`);
+    } else {
+      duplicateTableNames[table.name] = true;
+    }
+
+    const duplicateFieldNames = {};
+    let hasPrimaryKey = false;
+
+    table.fields.forEach((field) => {
+      if (field.primary) {
+        hasPrimaryKey = true;
+      }
+      if (field.name === "") {
+        issues.push(`Empty field name in table "${table.name}"`);
+      }
+
+      if (field.type === "") {
+        issues.push(`Empty field type in table "${table.name}"`);
+      } else if (field.type === "ENUM" || field.type === "SET") {
+        if (!field.values || field.values.length === 0) {
+          issues.push(
+            `"${field.name}" field of table "${table.name}" is of type ${field.type} but no values have been specified`
+          );
+        }
+      }
+
+      if (!checkDefault(field)) {
+        issues.push(
+          `Default value for field "${field.name}" in table "${table.name}" does not match its type.`
+        );
+      }
+
+      if (field.notNull && field.default.toLowerCase() === "null") {
+        issues.push(
+          `"${field.name}" field of table "${table.name}" is NOT NULL but has default NULL`
+        );
+      }
+
+      if (field.type === "DOUBLE" && field.size !== "") {
+        issues.push(
+          `Specifying number of digits for floating point data types is deprecated.`
+        );
+      }
+
+      if (duplicateFieldNames[field.name]) {
+        issues.push(`Duplicate table fields in table "${table.name}"`);
+      } else {
+        duplicateFieldNames[field.name] = true;
+      }
+    });
+
+    const duplicateIndices = {};
+    table.indices.forEach((index) => {
+      if (duplicateIndices[index.name]) {
+        issues.push(`Duplicate index by the name "${index.name}"`);
+      } else {
+        duplicateIndices[index.name] = true;
+      }
+    });
+
+    table.indices.forEach((index) => {
+      if (index.fields.length === 0) {
+        issues.push(`Empty index type in table "${table.name}"`);
+      }
+    });
+
+    if (!hasPrimaryKey) {
+      issues.push(`Table "${table.name}" has no primary key`);
+    }
+  });
+
+  const duplicateTypeNames = {};
+  diagram.types.forEach((type) => {
+    if (type.name === "") {
+      issues.push(`Declared a type with no name`);
+    }
+
+    if (duplicateTypeNames[type.name]) {
+      issues.push(`Duplicate types by the name "${type.name}"`);
+    } else {
+      duplicateTypeNames[type.name] = true;
+    }
+
+    if (type.fields.length === 0) {
+      issues.push(`Declared an empty type "${type.name}" with no fields`);
+      return;
+    }
+
+    const duplicateFieldNames = {};
+    type.fields.forEach((field) => {
+      if (field.name === "") {
+        issues.push(`Empty field name in type "${type.name}"`);
+      }
+
+      if (field.type === "") {
+        issues.push(`Empty field type in "${type.name}"`);
+      } else if (field.type === "ENUM" || field.type === "SET") {
+        if (!field.values || field.values.length === 0) {
+          issues.push(
+            `"${field.name}" field of type "${type.name}" is of type ${field.type} but no values have been specified`
+          );
+        }
+      }
+
+      if (field.type === "DOUBLE" && field.size !== "") {
+        issues.push(
+          `Specifying number of digits for floating point data types is deprecated.`
+        );
+      }
+
+      if (duplicateFieldNames[field.name]) {
+        issues.push(`Duplicate type fields in "${type.name}"`);
+      } else {
+        duplicateFieldNames[field.name] = true;
+      }
+    });
+  });
+
+  const duplicateFKName = {};
+  diagram.relationships.forEach((r) => {
+    if (duplicateFKName[r.name]) {
+      issues.push(`Duplicate reference by the name "${r.name}"`);
+    } else {
+      duplicateFKName[r.name] = true;
+    }
+
+    if (
+      diagram.tables[r.startTableId].fields[r.startFieldId].type !==
+      diagram.tables[r.endTableId].fields[r.endFieldId].type
+    ) {
+      issues.push(`Referencing column "${
+        diagram.tables[r.endTableId].fields[r.endFieldId].name
+      }" and referenced column "${
+        diagram.tables[r.startTableId].fields[r.startFieldId].name
+      }" are incompatible.
+        `);
+    }
+  });
+
+  const visitedTables = new Set();
+
+  function checkCircularRelationships(tableId, visited = []) {
+    if (visited.includes(tableId)) {
+      issues.push(
+        `Circular relationship involving table: "${diagram.tables[tableId].name}"`
+      );
+      return;
+    }
+
+    visited.push(tableId);
+    visitedTables.add(tableId);
+
+    diagram.relationships.forEach((r) => {
+      if (r.startTableId === tableId && r.startTableId !== r.endTableId) {
+        checkCircularRelationships(r.endTableId, [...visited]);
+      }
+    });
+  }
+
+  diagram.tables.forEach((table) => {
+    if (!visitedTables.has(table.id)) {
+      checkCircularRelationships(table.id);
+    }
+  });
+
+  return issues;
+}
+
+export { validateDateStr, getIssues };
diff --git a/src/utils/toSQL.js b/src/utils/toSQL.js
index 009e180..cdefb83 100644
--- a/src/utils/toSQL.js
+++ b/src/utils/toSQL.js
@@ -587,257 +587,12 @@ function getSize(type) {
   }
 }
 
-function validateDateStr(str) {
-  return /^(?!0000)(?!00)(?:(?!0000)[0-9]{4}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-9]|3[01])|(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31))$/.test(
-    str
-  );
-}
-
-function checkDefault(field) {
-  if (field.default === "") return true;
-
-  switch (field.type) {
-    case "INT":
-    case "BIGINT":
-    case "SMALLINT":
-      return /^-?\d*$/.test(field.default);
-    case "ENUM":
-    case "SET":
-      return field.values.includes(field.default);
-    case "CHAR":
-    case "VARCHAR":
-      return field.default.length <= field.size;
-    case "BINARY":
-    case "VARBINARY":
-      return (
-        field.default.length <= field.size && /^[01]+$/.test(field.default)
-      );
-    case "BOOLEAN":
-      return (
-        field.default.trim() === "false" || field.default.trim() === "true"
-      );
-    case "FLOAT":
-    case "DECIMAL":
-    case "DOUBLE":
-    case "NUMERIC":
-    case "REAL":
-      return /^-?\d*.?\d+$/.test(field.default);
-    case "DATE":
-      return validateDateStr(field.default);
-    case "TIME":
-      return /^(?:[01]?\d|2[0-3]):[0-5]?\d:[0-5]?\d$/.test(field.default);
-    case "TIMESTAMP": {
-      if (field.default.toUpperCase() === "CURRENT_TIMESTAMP") {
-        return true;
-      }
-      if (!/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/.test(field.default)) {
-        return false;
-      }
-      const content = field.default.split(" ");
-      const date = content[0].split("-");
-
-      return parseInt(date[0]) >= 1970 && parseInt(date[0]) <= 2038;
-    }
-    case "DATETIME": {
-      if (!/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/.test(field.default)) {
-        return false;
-      }
-      const c = field.default.split(" ");
-      const d = c[0].split("-");
-
-      return parseInt(d[0]) >= 1000 && parseInt(d[0]) <= 9999;
-    }
-    default:
-      return true;
-  }
-}
-
-function validateDiagram(diagram) {
-  const issues = [];
-  const duplicateTableNames = {};
-
-  diagram.tables.forEach((table) => {
-    if (table.name === "") {
-      issues.push(`Declared a table with no name`);
-    }
-
-    if (duplicateTableNames[table.name]) {
-      issues.push(`Duplicate table by the name "${table.name}"`);
-    } else {
-      duplicateTableNames[table.name] = true;
-    }
-
-    const duplicateFieldNames = {};
-    let hasPrimaryKey = false;
-
-    table.fields.forEach((field) => {
-      if (field.primary) {
-        hasPrimaryKey = true;
-      }
-      if (field.name === "") {
-        issues.push(`Empty field name in table "${table.name}"`);
-      }
-
-      if (field.type === "") {
-        issues.push(`Empty field type in table "${table.name}"`);
-      } else if (field.type === "ENUM" || field.type === "SET") {
-        if (!field.values || field.values.length === 0) {
-          issues.push(
-            `"${field.name}" field of table "${table.name}" is of type ${field.type} but no values have been specified`
-          );
-        }
-      }
-
-      if (!checkDefault(field)) {
-        issues.push(
-          `Default value for field "${field.name}" in table "${table.name}" does not match its type.`
-        );
-      }
-
-      if (field.notNull && field.default.toLowerCase() === "null") {
-        issues.push(
-          `"${field.name}" field of table "${table.name}" is NOT NULL but has default NULL`
-        );
-      }
-
-      if (field.type === "DOUBLE" && field.size !== "") {
-        issues.push(
-          `Specifying number of digits for floating point data types is deprecated.`
-        );
-      }
-
-      if (duplicateFieldNames[field.name]) {
-        issues.push(`Duplicate table fields in table "${table.name}"`);
-      } else {
-        duplicateFieldNames[field.name] = true;
-      }
-    });
-
-    const duplicateIndices = {};
-    table.indices.forEach((index) => {
-      if (duplicateIndices[index.name]) {
-        issues.push(`Duplicate index by the name "${index.name}"`);
-      } else {
-        duplicateIndices[index.name] = true;
-      }
-    });
-
-    table.indices.forEach((index) => {
-      if (index.fields.length === 0) {
-        issues.push(`Empty index type in table "${table.name}"`);
-      }
-    });
-
-    if (!hasPrimaryKey) {
-      issues.push(`Table "${table.name}" has no primary key`);
-    }
-  });
-
-  const duplicateTypeNames = {};
-  diagram.types.forEach((type) => {
-    if (type.name === "") {
-      issues.push(`Declared a type with no name`);
-    }
-
-    if (duplicateTypeNames[type.name]) {
-      issues.push(`Duplicate types by the name "${type.name}"`);
-    } else {
-      duplicateTypeNames[type.name] = true;
-    }
-
-    if (type.fields.length === 0) {
-      issues.push(`Declared an empty type "${type.name}" with no fields`);
-      return;
-    }
-
-    const duplicateFieldNames = {};
-    type.fields.forEach((field) => {
-      if (field.name === "") {
-        issues.push(`Empty field name in type "${type.name}"`);
-      }
-
-      if (field.type === "") {
-        issues.push(`Empty field type in "${type.name}"`);
-      } else if (field.type === "ENUM" || field.type === "SET") {
-        if (!field.values || field.values.length === 0) {
-          issues.push(
-            `"${field.name}" field of type "${type.name}" is of type ${field.type} but no values have been specified`
-          );
-        }
-      }
-
-      if (field.type === "DOUBLE" && field.size !== "") {
-        issues.push(
-          `Specifying number of digits for floating point data types is deprecated.`
-        );
-      }
-
-      if (duplicateFieldNames[field.name]) {
-        issues.push(`Duplicate type fields in "${type.name}"`);
-      } else {
-        duplicateFieldNames[field.name] = true;
-      }
-    });
-  });
-
-  const duplicateFKName = {};
-  diagram.relationships.forEach((r) => {
-    if (duplicateFKName[r.name]) {
-      issues.push(`Duplicate reference by the name "${r.name}"`);
-    } else {
-      duplicateFKName[r.name] = true;
-    }
-
-    if (
-      diagram.tables[r.startTableId].fields[r.startFieldId].type !==
-      diagram.tables[r.endTableId].fields[r.endFieldId].type
-    ) {
-      issues.push(`Referencing column "${
-        diagram.tables[r.endTableId].fields[r.endFieldId].name
-      }" and referenced column "${
-        diagram.tables[r.startTableId].fields[r.startFieldId].name
-      }" are incompatible.
-      `);
-    }
-  });
-
-  const visitedTables = new Set();
-
-  function checkCircularRelationships(tableId, visited = []) {
-    if (visited.includes(tableId)) {
-      issues.push(
-        `Circular relationship involving table: "${diagram.tables[tableId].name}"`
-      );
-      return;
-    }
-
-    visited.push(tableId);
-    visitedTables.add(tableId);
-
-    diagram.relationships.forEach((r) => {
-      if (r.startTableId === tableId && r.startTableId !== r.endTableId) {
-        checkCircularRelationships(r.endTableId, [...visited]);
-      }
-    });
-  }
-
-  diagram.tables.forEach((table) => {
-    if (!visitedTables.has(table.id)) {
-      checkCircularRelationships(table.id);
-    }
-  });
-
-  return issues;
-}
-
 export {
   jsonToMySQL,
   jsonToPostgreSQL,
-  validateDiagram,
   isSized,
   getSize,
   hasPrecision,
-  validateDateStr,
   hasCheck,
   jsonToSQLite,
   jsonToMariaDB,